diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 387a071..ea8090f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -8,9 +8,6 @@ on:
       - "images/**/*"
   # add workflow dispatch to manually publish the current images
   workflow_dispatch:
-  pull_request:
-    paths:
-      - "images/**/*"
 
 concurrency:
   # Cancel in-progress jobs if a new job is trigged by a commit from the same branch
@@ -67,8 +64,8 @@ jobs:
         run: |
           taglist=$(yq 'map(
             (
-              "friendsofredaxo/redaxo",
-              "ghcr.io/friendsofredaxo/redaxo"
+              "${{ env.REGISTRY_IMAGE }}",
+              "ghcr.io/${{ env.REGISTRY_IMAGE }}"
             )
             + ":" + .[]) | to_csv' ./images/${{ matrix.image }}/tags.yml)
           echo "$taglist"
diff --git a/README.md b/README.md
index 7c719ee..382f49a 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,8 @@ We provide two image variants:
 - **Stable:** `5-stable`, `5`  
   Contains the latest stable REDAXO 5.x version and the lowest PHP version with [active support](https://www.php.net/supported-versions.php).
 - **Edge:** `5-edge`  
-  Contains the latest REDAXO 5.x, even beta versions, and the latest PHP, even RC versions.
-	Use this image for development and testing.
+  Contains the latest REDAXO 5.x, even beta versions, and the latest PHP, even RC versions.  
+  Use this image for development and testing.
 
 If you’re not sure, you probably want to go for `friendsofredaxo/redaxo:5` 🚀
 
diff --git a/images/5-edge/Dockerfile b/images/5-edge/Dockerfile
index 43b39d6..91b5b4e 100644
--- a/images/5-edge/Dockerfile
+++ b/images/5-edge/Dockerfile
@@ -2,86 +2,86 @@ FROM php:8.3-apache
 
 # install persistent PHP extensions (they won’t get purged afterwards)
 RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --quiet --no-install-recommends \
-		ghostscript \
-		locales \
-		unzip \
-	; \
-	rm -rf /var/lib/apt/lists/*
+  apt-get update; \
+  apt-get install -y --quiet --no-install-recommends \
+    ghostscript \
+    locales \
+    unzip \
+  ; \
+  rm -rf /var/lib/apt/lists/*
 
 # generate locales
 RUN set -eux; \
-	echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "es_ES.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "it_IT.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "nl_NL.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "pt_BR.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "sv_SE.UTF-8 UTF-8" >> /etc/locale.gen; \
-	locale-gen
+  echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "es_ES.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "it_IT.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "nl_NL.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "pt_BR.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "sv_SE.UTF-8 UTF-8" >> /etc/locale.gen; \
+  locale-gen
 
 # install PHP extensions
 RUN set -ex; \
-	\
-	# mark packages as being manually installed
-	# see https://manpages.debian.org/stretch/apt/apt-mark.8.en.html
-	savedAptMark="$(apt-mark showmanual)"; \
-	\
-	# install via apt-get
-	# see https://manpages.debian.org/stretch/apt/apt-get.8.en.html
-	apt-get update; \
-	apt-get install -y --quiet --no-install-recommends \
-		libfreetype6-dev \
-		libjpeg-dev \
-		libmagickwand-dev \
-		libmcrypt-dev \
-		libpng-dev \
-		libwebp-dev \
-		libavif-dev \
-		libzip-dev \
-	; \
-	# install developer extensions
-	apt-get install -y --quiet --no-install-recommends \
-		git \
-		msmtp \
-		msmtp-mta \
-	; \
-	# install and configure via docker-php-ext
-	# see https://github.com/docker-library/docs/tree/master/php#how-to-install-more-php-extensions
-	docker-php-ext-configure gd \
-		--with-freetype \
-		--with-jpeg \
-		--with-webp \
-		--with-avif \
-	; \
-	docker-php-ext-install -j "$(nproc)" \
-		exif \
-		gd \
-		intl \
-		pdo_mysql \
-		zip \
-	; \
-	# install imagick
-	# https://pecl.php.net/package/imagick
-	# pecl install imagick-3.7.0; \
-	# 	docker-php-ext-enable imagick; \
-	# 	rm -r /tmp/pear; \
-	# \
-	# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
-	# see https://github.com/docker-library/wordpress/blob/master/Dockerfile.template
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark; \
-	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -rt apt-mark manual; \
-	\
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*
+  \
+  # mark packages as being manually installed
+  # see https://manpages.debian.org/stretch/apt/apt-mark.8.en.html
+  savedAptMark="$(apt-mark showmanual)"; \
+  \
+  # install via apt-get
+  # see https://manpages.debian.org/stretch/apt/apt-get.8.en.html
+  apt-get update; \
+  apt-get install -y --quiet --no-install-recommends \
+    libfreetype6-dev \
+    libjpeg-dev \
+    libmagickwand-dev \
+    libmcrypt-dev \
+    libpng-dev \
+    libwebp-dev \
+    libavif-dev \
+    libzip-dev \
+  ; \
+  # install developer extensions
+  apt-get install -y --quiet --no-install-recommends \
+    git \
+    msmtp \
+    msmtp-mta \
+  ; \
+  # install and configure via docker-php-ext
+  # see https://github.com/docker-library/docs/tree/master/php#how-to-install-more-php-extensions
+  docker-php-ext-configure gd \
+    --with-freetype \
+    --with-jpeg \
+    --with-webp \
+    --with-avif \
+  ; \
+  docker-php-ext-install -j "$(nproc)" \
+    exif \
+    gd \
+    intl \
+    pdo_mysql \
+    zip \
+  ; \
+  # install imagick
+  # https://pecl.php.net/package/imagick
+  # pecl install imagick-3.7.0; \
+  # 	docker-php-ext-enable imagick; \
+  # 	rm -r /tmp/pear; \
+  # \
+  # reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+  # see https://github.com/docker-library/wordpress/blob/master/Dockerfile.template
+  apt-mark auto '.*' > /dev/null; \
+  apt-mark manual $savedAptMark; \
+  ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+    | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
+    | sort -u \
+    | xargs -r dpkg-query --search \
+    | cut -d: -f1 \
+    | sort -u \
+    | xargs -rt apt-mark manual; \
+  \
+  apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+  rm -rf /var/lib/apt/lists/*
 
 # install composer
 COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
@@ -89,28 +89,28 @@ COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
 # enable OPcache
 # see https://secure.php.net/manual/en/opcache.installation.php
 RUN set -eux; \
-	docker-php-ext-enable opcache; \
-	{ \
-		echo 'opcache.memory_consumption=128'; \
-		echo 'opcache.interned_strings_buffer=8'; \
-		echo 'opcache.max_accelerated_files=4000'; \
-		echo 'opcache.revalidate_freq=2'; \
-	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+  docker-php-ext-enable opcache; \
+  { \
+    echo 'opcache.memory_consumption=128'; \
+    echo 'opcache.interned_strings_buffer=8'; \
+    echo 'opcache.max_accelerated_files=4000'; \
+    echo 'opcache.revalidate_freq=2'; \
+  } > /usr/local/etc/php/conf.d/opcache-recommended.ini
 
 # enable apache modules
 RUN set -eux; \
-	a2enmod expires headers rewrite ssl
+  a2enmod expires headers rewrite ssl
 
 # create mount point for web root
 VOLUME /var/www/html
 
 # fetch REDAXO, validate checksum and extract to tmp folder
 RUN set -e; \
-	curl -Ls -o redaxo.zip https://github.com/redaxo/redaxo/releases/download/5.15.1/redaxo_5.15.1.zip; \
-	echo "7936b2055b670377be97f8c8a4e90ce46f0a6ad7 *redaxo.zip" | shasum -c -a 256; \
-	unzip -oq redaxo.zip -d /usr/src/redaxo; \
-	rm redaxo.zip; \
-	chown -R www-data:www-data /usr/src/redaxo
+  curl -Ls -o redaxo.zip https://github.com/redaxo/redaxo/releases/download/5.15.1/redaxo_5.15.1.zip; \
+  echo "7936b2055b670377be97f8c8a4e90ce46f0a6ad7 *redaxo.zip" | shasum -c -a 256; \
+  unzip -oq redaxo.zip -d /usr/src/redaxo; \
+  rm redaxo.zip; \
+  chown -R www-data:www-data /usr/src/redaxo
 
 # copy and run entrypoint
 COPY docker-entrypoint.sh /usr/local/bin/
diff --git a/images/5-edge/docker-entrypoint.sh b/images/5-edge/docker-entrypoint.sh
index 4cb0436..d743d20 100755
--- a/images/5-edge/docker-entrypoint.sh
+++ b/images/5-edge/docker-entrypoint.sh
@@ -2,98 +2,98 @@
 set -euo pipefail
 
 if [[ -n "$(ls -A)" ]]; then
-	echo >&2 " "
-	echo >&2 "❌ ${PWD} is not empty! Skip REDAXO setup."
-	echo >&2 " "
+  echo >&2 " "
+  echo >&2 "❌ ${PWD} is not empty! Skip REDAXO setup."
+  echo >&2 " "
 
 else
 
-	echo >&2 "👉 Start REDAXO setup..."
+  echo >&2 "👉 Start REDAXO setup..."
 
-	# copy REDAXO to web root
-	cp -Rp /usr/src/redaxo/. ./ && \
-		echo >&2 "✅ REDAXO has been successfully copied to ${PWD}."
+  # copy REDAXO to web root
+  cp -Rp /usr/src/redaxo/. ./ && \
+    echo >&2 "✅ REDAXO has been successfully copied to ${PWD}."
 
-	# copy default config
-	mkdir -p redaxo/data/core/ && \
-		cp -fp redaxo/src/core/default.config.yml redaxo/data/core/config.yml && \
-		echo >&2 "✅ Default configuration has been successfully copied."
+  # copy default config
+  mkdir -p redaxo/data/core/ && \
+    cp -fp redaxo/src/core/default.config.yml redaxo/data/core/config.yml && \
+    echo >&2 "✅ Default configuration has been successfully copied."
 
-	# install REDAXO via cli command if available (REDAXO 5.9+)
-	if php redaxo/bin/console setup:run; then
+  # install REDAXO via cli command if available (REDAXO 5.9+)
+  if php redaxo/bin/console setup:run; then
 
-		# prepare database
-		# remember the docker database container takes some time to init!
-		echo >&2 "👉 Prepare database..."
-		repeat=10
-		while ! php redaxo/bin/console -q db:set-connection \
-			--host=$REDAXO_DB_HOST \
-			--database=$REDAXO_DB_NAME \
-			--login=$REDAXO_DB_LOGIN \
-			--password=$REDAXO_DB_PASSWORD 2> /dev/null || false; do
-			if [[ repeat -eq 0 ]]; then
-				echo >&2 "❌ Failed to connect database."
-				exit 1
-			fi
-			repeat=$((repeat - 1))
-			sleep 5
-			echo >&2 "⏳ Wait for database connection... ($repeat)"
-		done
-		echo >&2 "✅ Database has been has been successfully connected."
+    # prepare database
+    # remember the docker database container takes some time to init!
+    echo >&2 "👉 Prepare database..."
+    repeat=10
+    while ! php redaxo/bin/console -q db:set-connection \
+      --host=$REDAXO_DB_HOST \
+      --database=$REDAXO_DB_NAME \
+      --login=$REDAXO_DB_LOGIN \
+      --password=$REDAXO_DB_PASSWORD 2> /dev/null || false; do
+      if [[ repeat -eq 0 ]]; then
+        echo >&2 "❌ Failed to connect database."
+        exit 1
+      fi
+      repeat=$((repeat - 1))
+      sleep 5
+      echo >&2 "⏳ Wait for database connection... ($repeat)"
+    done
+    echo >&2 "✅ Database has been has been successfully connected."
 
-		# run REDAXO setup
-		# hint: get options via `php redaxo/bin/console setup:run --help`
-		echo >&2 "👉 Run setup..."
-		setupArgs=(
-			"--agree-license"
-			"--db-createdb=no"
-			"--db-setup=normal"
-		);
-		[[ -n "$REDAXO_LANG" ]] && setupArgs+=("--lang=${REDAXO_LANG}");
-		[[ -n "$REDAXO_SERVER" ]] && setupArgs+=("--server=${REDAXO_SERVER}");
-		[[ -n "$REDAXO_SERVERNAME" ]] && setupArgs+=("--servername=${REDAXO_SERVERNAME}");
-		[[ -n "$REDAXO_ERROR_EMAIL" ]] && setupArgs+=("--error-email=${REDAXO_ERROR_EMAIL}");
-		[[ -n "$REDAXO_TIMEZONE" ]] && setupArgs+=("--timezone=${REDAXO_TIMEZONE}");
-		[[ -n "$REDAXO_DB_CHARSET" ]] && setupArgs+=("--db-charset=${REDAXO_DB_CHARSET}");
-		[[ -n "$REDAXO_DB_PASSWORD" ]] && setupArgs+=("--db-password=${REDAXO_DB_PASSWORD}"); # required again!
-		[[ -n "$REDAXO_ADMIN_USER" ]] && setupArgs+=("--admin-username=${REDAXO_ADMIN_USER}");
-		[[ -n "$REDAXO_ADMIN_PASSWORD" ]] && setupArgs+=("--admin-password=${REDAXO_ADMIN_PASSWORD}");
+    # run REDAXO setup
+    # hint: get options via `php redaxo/bin/console setup:run --help`
+    echo >&2 "👉 Run setup..."
+    setupArgs=(
+      "--agree-license"
+      "--db-createdb=no"
+      "--db-setup=normal"
+    );
+    [[ -n "$REDAXO_LANG" ]] && setupArgs+=("--lang=${REDAXO_LANG}");
+    [[ -n "$REDAXO_SERVER" ]] && setupArgs+=("--server=${REDAXO_SERVER}");
+    [[ -n "$REDAXO_SERVERNAME" ]] && setupArgs+=("--servername=${REDAXO_SERVERNAME}");
+    [[ -n "$REDAXO_ERROR_EMAIL" ]] && setupArgs+=("--error-email=${REDAXO_ERROR_EMAIL}");
+    [[ -n "$REDAXO_TIMEZONE" ]] && setupArgs+=("--timezone=${REDAXO_TIMEZONE}");
+    [[ -n "$REDAXO_DB_CHARSET" ]] && setupArgs+=("--db-charset=${REDAXO_DB_CHARSET}");
+    [[ -n "$REDAXO_DB_PASSWORD" ]] && setupArgs+=("--db-password=${REDAXO_DB_PASSWORD}"); # required again!
+    [[ -n "$REDAXO_ADMIN_USER" ]] && setupArgs+=("--admin-username=${REDAXO_ADMIN_USER}");
+    [[ -n "$REDAXO_ADMIN_PASSWORD" ]] && setupArgs+=("--admin-password=${REDAXO_ADMIN_PASSWORD}");
 
-		if php redaxo/bin/console setup:run -q -n "${setupArgs[@]}"; then
-			echo >&2 "✅ REDAXO has been successfully installed."
-		else
-			echo >&2 " "
-			echo >&2 "❌ REDAXO setup failed."
-			echo >&2 " "
-			exit 1
-		fi
-	fi
+    if php redaxo/bin/console setup:run -q -n "${setupArgs[@]}"; then
+      echo >&2 "✅ REDAXO has been successfully installed."
+    else
+      echo >&2 " "
+      echo >&2 "❌ REDAXO setup failed."
+      echo >&2 " "
+      exit 1
+    fi
+  fi
 
-	# update file owner and group of writable folders (cache, data)
-	chown -R www-data:www-data redaxo/cache redaxo/data;
+  # update file owner and group of writable folders (cache, data)
+  chown -R www-data:www-data redaxo/cache redaxo/data;
 
-	# done!
-	echo >&2 " "
-	echo >&2 "🚀 REDAXO setup successful."
-	echo >&2 " "
+  # done!
+  echo >&2 " "
+  echo >&2 "🚀 REDAXO setup successful."
+  echo >&2 " "
 
-	# run custom setup (if available)
-	# hint: enables child images to extend the setup process
-	CUSTOM_SETUP="/usr/local/bin/custom-setup.sh";
-	if [[ -x "$CUSTOM_SETUP" ]]; then
-		echo >&2 "👉 Run custom setup..."
+  # run custom setup (if available)
+  # hint: enables child images to extend the setup process
+  CUSTOM_SETUP="/usr/local/bin/custom-setup.sh";
+  if [[ -x "$CUSTOM_SETUP" ]]; then
+    echo >&2 "👉 Run custom setup..."
 
-		if "$CUSTOM_SETUP"; then
-			echo >&2 " "
-			echo >&2 "🚀 Custom setup successful."
-			echo >&2 " "
-		else
-			echo >&2 " "
-			echo >&2 "❌ Custom setup failed."
-			echo >&2 " "
-			exit 1
-		fi
-	fi
+    if "$CUSTOM_SETUP"; then
+      echo >&2 " "
+      echo >&2 "🚀 Custom setup successful."
+      echo >&2 " "
+    else
+      echo >&2 " "
+      echo >&2 "❌ Custom setup failed."
+      echo >&2 " "
+      exit 1
+    fi
+  fi
 fi
 
 # execute CMD
diff --git a/images/5-stable/Dockerfile b/images/5-stable/Dockerfile
index a9b8e8e..5fec7ee 100644
--- a/images/5-stable/Dockerfile
+++ b/images/5-stable/Dockerfile
@@ -2,86 +2,86 @@ FROM php:8.2-apache
 
 # install persistent PHP extensions (they won’t get purged afterwards)
 RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --quiet --no-install-recommends \
-		ghostscript \
-		locales \
-		unzip \
-	; \
-	rm -rf /var/lib/apt/lists/*
+  apt-get update; \
+  apt-get install -y --quiet --no-install-recommends \
+    ghostscript \
+    locales \
+    unzip \
+  ; \
+  rm -rf /var/lib/apt/lists/*
 
 # generate locales
 RUN set -eux; \
-	echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "es_ES.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "it_IT.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "nl_NL.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "pt_BR.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "sv_SE.UTF-8 UTF-8" >> /etc/locale.gen; \
-	locale-gen
+  echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "es_ES.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "it_IT.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "nl_NL.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "pt_BR.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "sv_SE.UTF-8 UTF-8" >> /etc/locale.gen; \
+  locale-gen
 
 # install PHP extensions
 RUN set -ex; \
-	\
-	# mark packages as being manually installed
-	# see https://manpages.debian.org/stretch/apt/apt-mark.8.en.html
-	savedAptMark="$(apt-mark showmanual)"; \
-	\
-	# install via apt-get
-	# see https://manpages.debian.org/stretch/apt/apt-get.8.en.html
-	apt-get update; \
-	apt-get install -y --quiet --no-install-recommends \
-		libfreetype6-dev \
-		libjpeg-dev \
-		libmagickwand-dev \
-		libmcrypt-dev \
-		libpng-dev \
-		libwebp-dev \
-		libavif-dev \
-		libzip-dev \
-	; \
-	# install developer extensions
-	apt-get install -y --quiet --no-install-recommends \
-		git \
-		msmtp \
-		msmtp-mta \
-	; \
-	# install and configure via docker-php-ext
-	# see https://github.com/docker-library/docs/tree/master/php#how-to-install-more-php-extensions
-	docker-php-ext-configure gd \
-		--with-freetype \
-		--with-jpeg \
-		--with-webp \
-		--with-avif \
-	; \
-	docker-php-ext-install -j "$(nproc)" \
-		exif \
-		gd \
-		intl \
-		pdo_mysql \
-		zip \
-	; \
-	# install imagick
-	# https://pecl.php.net/package/imagick
-	# pecl install imagick-3.7.0; \
-	# 	docker-php-ext-enable imagick; \
-	# 	rm -r /tmp/pear; \
-	# \
-	# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
-	# see https://github.com/docker-library/wordpress/blob/master/Dockerfile.template
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark; \
-	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -rt apt-mark manual; \
-	\
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*
+  \
+  # mark packages as being manually installed
+  # see https://manpages.debian.org/stretch/apt/apt-mark.8.en.html
+  savedAptMark="$(apt-mark showmanual)"; \
+  \
+  # install via apt-get
+  # see https://manpages.debian.org/stretch/apt/apt-get.8.en.html
+  apt-get update; \
+  apt-get install -y --quiet --no-install-recommends \
+    libfreetype6-dev \
+    libjpeg-dev \
+    libmagickwand-dev \
+    libmcrypt-dev \
+    libpng-dev \
+    libwebp-dev \
+    libavif-dev \
+    libzip-dev \
+  ; \
+  # install developer extensions
+  apt-get install -y --quiet --no-install-recommends \
+    git \
+    msmtp \
+    msmtp-mta \
+  ; \
+  # install and configure via docker-php-ext
+  # see https://github.com/docker-library/docs/tree/master/php#how-to-install-more-php-extensions
+  docker-php-ext-configure gd \
+    --with-freetype \
+    --with-jpeg \
+    --with-webp \
+    --with-avif \
+  ; \
+  docker-php-ext-install -j "$(nproc)" \
+    exif \
+    gd \
+    intl \
+    pdo_mysql \
+    zip \
+  ; \
+  # install imagick
+  # https://pecl.php.net/package/imagick
+  # pecl install imagick-3.7.0; \
+  # 	docker-php-ext-enable imagick; \
+  # 	rm -r /tmp/pear; \
+  # \
+  # reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+  # see https://github.com/docker-library/wordpress/blob/master/Dockerfile.template
+  apt-mark auto '.*' > /dev/null; \
+  apt-mark manual $savedAptMark; \
+  ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+    | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
+    | sort -u \
+    | xargs -r dpkg-query --search \
+    | cut -d: -f1 \
+    | sort -u \
+    | xargs -rt apt-mark manual; \
+  \
+  apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+  rm -rf /var/lib/apt/lists/*
 
 # install composer
 COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
@@ -89,28 +89,28 @@ COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
 # enable OPcache
 # see https://secure.php.net/manual/en/opcache.installation.php
 RUN set -eux; \
-	docker-php-ext-enable opcache; \
-	{ \
-		echo 'opcache.memory_consumption=128'; \
-		echo 'opcache.interned_strings_buffer=8'; \
-		echo 'opcache.max_accelerated_files=4000'; \
-		echo 'opcache.revalidate_freq=2'; \
-	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+  docker-php-ext-enable opcache; \
+  { \
+    echo 'opcache.memory_consumption=128'; \
+    echo 'opcache.interned_strings_buffer=8'; \
+    echo 'opcache.max_accelerated_files=4000'; \
+    echo 'opcache.revalidate_freq=2'; \
+  } > /usr/local/etc/php/conf.d/opcache-recommended.ini
 
 # enable apache modules
 RUN set -eux; \
-	a2enmod expires headers rewrite ssl
+  a2enmod expires headers rewrite ssl
 
 # create mount point for web root
 VOLUME /var/www/html
 
 # fetch REDAXO, validate checksum and extract to tmp folder
 RUN set -e; \
-	curl -Ls -o redaxo.zip https://github.com/redaxo/redaxo/releases/download/5.15.1/redaxo_5.15.1.zip; \
-	echo "7936b2055b670377be97f8c8a4e90ce46f0a6ad7 *redaxo.zip" | shasum -c -a 256; \
-	unzip -oq redaxo.zip -d /usr/src/redaxo; \
-	rm redaxo.zip; \
-	chown -R www-data:www-data /usr/src/redaxo
+  curl -Ls -o redaxo.zip https://github.com/redaxo/redaxo/releases/download/5.15.1/redaxo_5.15.1.zip; \
+  echo "7936b2055b670377be97f8c8a4e90ce46f0a6ad7 *redaxo.zip" | shasum -c -a 256; \
+  unzip -oq redaxo.zip -d /usr/src/redaxo; \
+  rm redaxo.zip; \
+  chown -R www-data:www-data /usr/src/redaxo
 
 # copy and run entrypoint
 COPY docker-entrypoint.sh /usr/local/bin/
diff --git a/images/5-stable/docker-entrypoint.sh b/images/5-stable/docker-entrypoint.sh
index 4cb0436..d743d20 100755
--- a/images/5-stable/docker-entrypoint.sh
+++ b/images/5-stable/docker-entrypoint.sh
@@ -2,98 +2,98 @@
 set -euo pipefail
 
 if [[ -n "$(ls -A)" ]]; then
-	echo >&2 " "
-	echo >&2 "❌ ${PWD} is not empty! Skip REDAXO setup."
-	echo >&2 " "
+  echo >&2 " "
+  echo >&2 "❌ ${PWD} is not empty! Skip REDAXO setup."
+  echo >&2 " "
 
 else
 
-	echo >&2 "👉 Start REDAXO setup..."
+  echo >&2 "👉 Start REDAXO setup..."
 
-	# copy REDAXO to web root
-	cp -Rp /usr/src/redaxo/. ./ && \
-		echo >&2 "✅ REDAXO has been successfully copied to ${PWD}."
+  # copy REDAXO to web root
+  cp -Rp /usr/src/redaxo/. ./ && \
+    echo >&2 "✅ REDAXO has been successfully copied to ${PWD}."
 
-	# copy default config
-	mkdir -p redaxo/data/core/ && \
-		cp -fp redaxo/src/core/default.config.yml redaxo/data/core/config.yml && \
-		echo >&2 "✅ Default configuration has been successfully copied."
+  # copy default config
+  mkdir -p redaxo/data/core/ && \
+    cp -fp redaxo/src/core/default.config.yml redaxo/data/core/config.yml && \
+    echo >&2 "✅ Default configuration has been successfully copied."
 
-	# install REDAXO via cli command if available (REDAXO 5.9+)
-	if php redaxo/bin/console setup:run; then
+  # install REDAXO via cli command if available (REDAXO 5.9+)
+  if php redaxo/bin/console setup:run; then
 
-		# prepare database
-		# remember the docker database container takes some time to init!
-		echo >&2 "👉 Prepare database..."
-		repeat=10
-		while ! php redaxo/bin/console -q db:set-connection \
-			--host=$REDAXO_DB_HOST \
-			--database=$REDAXO_DB_NAME \
-			--login=$REDAXO_DB_LOGIN \
-			--password=$REDAXO_DB_PASSWORD 2> /dev/null || false; do
-			if [[ repeat -eq 0 ]]; then
-				echo >&2 "❌ Failed to connect database."
-				exit 1
-			fi
-			repeat=$((repeat - 1))
-			sleep 5
-			echo >&2 "⏳ Wait for database connection... ($repeat)"
-		done
-		echo >&2 "✅ Database has been has been successfully connected."
+    # prepare database
+    # remember the docker database container takes some time to init!
+    echo >&2 "👉 Prepare database..."
+    repeat=10
+    while ! php redaxo/bin/console -q db:set-connection \
+      --host=$REDAXO_DB_HOST \
+      --database=$REDAXO_DB_NAME \
+      --login=$REDAXO_DB_LOGIN \
+      --password=$REDAXO_DB_PASSWORD 2> /dev/null || false; do
+      if [[ repeat -eq 0 ]]; then
+        echo >&2 "❌ Failed to connect database."
+        exit 1
+      fi
+      repeat=$((repeat - 1))
+      sleep 5
+      echo >&2 "⏳ Wait for database connection... ($repeat)"
+    done
+    echo >&2 "✅ Database has been has been successfully connected."
 
-		# run REDAXO setup
-		# hint: get options via `php redaxo/bin/console setup:run --help`
-		echo >&2 "👉 Run setup..."
-		setupArgs=(
-			"--agree-license"
-			"--db-createdb=no"
-			"--db-setup=normal"
-		);
-		[[ -n "$REDAXO_LANG" ]] && setupArgs+=("--lang=${REDAXO_LANG}");
-		[[ -n "$REDAXO_SERVER" ]] && setupArgs+=("--server=${REDAXO_SERVER}");
-		[[ -n "$REDAXO_SERVERNAME" ]] && setupArgs+=("--servername=${REDAXO_SERVERNAME}");
-		[[ -n "$REDAXO_ERROR_EMAIL" ]] && setupArgs+=("--error-email=${REDAXO_ERROR_EMAIL}");
-		[[ -n "$REDAXO_TIMEZONE" ]] && setupArgs+=("--timezone=${REDAXO_TIMEZONE}");
-		[[ -n "$REDAXO_DB_CHARSET" ]] && setupArgs+=("--db-charset=${REDAXO_DB_CHARSET}");
-		[[ -n "$REDAXO_DB_PASSWORD" ]] && setupArgs+=("--db-password=${REDAXO_DB_PASSWORD}"); # required again!
-		[[ -n "$REDAXO_ADMIN_USER" ]] && setupArgs+=("--admin-username=${REDAXO_ADMIN_USER}");
-		[[ -n "$REDAXO_ADMIN_PASSWORD" ]] && setupArgs+=("--admin-password=${REDAXO_ADMIN_PASSWORD}");
+    # run REDAXO setup
+    # hint: get options via `php redaxo/bin/console setup:run --help`
+    echo >&2 "👉 Run setup..."
+    setupArgs=(
+      "--agree-license"
+      "--db-createdb=no"
+      "--db-setup=normal"
+    );
+    [[ -n "$REDAXO_LANG" ]] && setupArgs+=("--lang=${REDAXO_LANG}");
+    [[ -n "$REDAXO_SERVER" ]] && setupArgs+=("--server=${REDAXO_SERVER}");
+    [[ -n "$REDAXO_SERVERNAME" ]] && setupArgs+=("--servername=${REDAXO_SERVERNAME}");
+    [[ -n "$REDAXO_ERROR_EMAIL" ]] && setupArgs+=("--error-email=${REDAXO_ERROR_EMAIL}");
+    [[ -n "$REDAXO_TIMEZONE" ]] && setupArgs+=("--timezone=${REDAXO_TIMEZONE}");
+    [[ -n "$REDAXO_DB_CHARSET" ]] && setupArgs+=("--db-charset=${REDAXO_DB_CHARSET}");
+    [[ -n "$REDAXO_DB_PASSWORD" ]] && setupArgs+=("--db-password=${REDAXO_DB_PASSWORD}"); # required again!
+    [[ -n "$REDAXO_ADMIN_USER" ]] && setupArgs+=("--admin-username=${REDAXO_ADMIN_USER}");
+    [[ -n "$REDAXO_ADMIN_PASSWORD" ]] && setupArgs+=("--admin-password=${REDAXO_ADMIN_PASSWORD}");
 
-		if php redaxo/bin/console setup:run -q -n "${setupArgs[@]}"; then
-			echo >&2 "✅ REDAXO has been successfully installed."
-		else
-			echo >&2 " "
-			echo >&2 "❌ REDAXO setup failed."
-			echo >&2 " "
-			exit 1
-		fi
-	fi
+    if php redaxo/bin/console setup:run -q -n "${setupArgs[@]}"; then
+      echo >&2 "✅ REDAXO has been successfully installed."
+    else
+      echo >&2 " "
+      echo >&2 "❌ REDAXO setup failed."
+      echo >&2 " "
+      exit 1
+    fi
+  fi
 
-	# update file owner and group of writable folders (cache, data)
-	chown -R www-data:www-data redaxo/cache redaxo/data;
+  # update file owner and group of writable folders (cache, data)
+  chown -R www-data:www-data redaxo/cache redaxo/data;
 
-	# done!
-	echo >&2 " "
-	echo >&2 "🚀 REDAXO setup successful."
-	echo >&2 " "
+  # done!
+  echo >&2 " "
+  echo >&2 "🚀 REDAXO setup successful."
+  echo >&2 " "
 
-	# run custom setup (if available)
-	# hint: enables child images to extend the setup process
-	CUSTOM_SETUP="/usr/local/bin/custom-setup.sh";
-	if [[ -x "$CUSTOM_SETUP" ]]; then
-		echo >&2 "👉 Run custom setup..."
+  # run custom setup (if available)
+  # hint: enables child images to extend the setup process
+  CUSTOM_SETUP="/usr/local/bin/custom-setup.sh";
+  if [[ -x "$CUSTOM_SETUP" ]]; then
+    echo >&2 "👉 Run custom setup..."
 
-		if "$CUSTOM_SETUP"; then
-			echo >&2 " "
-			echo >&2 "🚀 Custom setup successful."
-			echo >&2 " "
-		else
-			echo >&2 " "
-			echo >&2 "❌ Custom setup failed."
-			echo >&2 " "
-			exit 1
-		fi
-	fi
+    if "$CUSTOM_SETUP"; then
+      echo >&2 " "
+      echo >&2 "🚀 Custom setup successful."
+      echo >&2 " "
+    else
+      echo >&2 " "
+      echo >&2 "❌ Custom setup failed."
+      echo >&2 " "
+      exit 1
+    fi
+  fi
 fi
 
 # execute CMD
diff --git a/scripts/generate-image-files.ts b/scripts/generate-image-files.ts
index ad3f37e..26ccaf2 100644
--- a/scripts/generate-image-files.ts
+++ b/scripts/generate-image-files.ts
@@ -11,15 +11,15 @@ const imagesDirectory = 'images';
 const imageConfiguration = parse(Deno.readTextFileSync(`${sourceDirectory}/images.yml`));
 
 if (!isObject(imageConfiguration)) {
-	console.error("Invalid image configuration!");
-	Deno.exit(1);
+  console.error("Invalid image configuration!");
+  Deno.exit(1);
 }
 
 const images = imageConfiguration["images"];
 
 if (!isArray(images)) {
-	console.error("Invalid images array!");
-	Deno.exit(1);
+  console.error("Invalid images array!");
+  Deno.exit(1);
 }
 
 /**
@@ -35,37 +35,37 @@ const dockerfileSource = Deno.readTextFileSync(`${sourceDirectory}/Dockerfile`);
 
 for (const image of images) {
 
-	const targetDir = `${imagesDirectory}/${image["name"]}`;
-	ensureDirSync(targetDir);
+  const targetDir = `${imagesDirectory}/${image["name"]}`;
+  ensureDirSync(targetDir);
 
-	/**
-	 * Generate Dockerfile
-	 */
-	const replacements: Record<string, string> = {
-		'%%PHP_VERSION_TAG%%': `${image["php-version"]}`,
-		'%%PACKAGE_URL%%': `${image["package-url"]}`,
-		'%%PACKAGE_SHA%%': `${image["package-sha"]}`,
-	};
-	let currentDockerfileSource = dockerfileSource;
-	Object.keys(replacements).forEach((key) => {
-		currentDockerfileSource = currentDockerfileSource.replaceAll(key, replacements[key]);
-	});
+  /**
+   * Generate Dockerfile
+   */
+  const replacements: Record<string, string> = {
+    '%%PHP_VERSION_TAG%%': `${image["php-version"]}`,
+    '%%PACKAGE_URL%%': `${image["package-url"]}`,
+    '%%PACKAGE_SHA%%': `${image["package-sha"]}`,
+  };
+  let currentDockerfileSource = dockerfileSource;
+  Object.keys(replacements).forEach((key) => {
+    currentDockerfileSource = currentDockerfileSource.replaceAll(key, replacements[key]);
+  });
 
-	Deno.writeTextFileSync(`${targetDir}/Dockerfile`, currentDockerfileSource);
+  Deno.writeTextFileSync(`${targetDir}/Dockerfile`, currentDockerfileSource);
 
-	/**
-	 * Copy static files that do not require replacements
-	 */
-	const filesToCopy = [
-		`docker-entrypoint.sh`,
-	];
-	filesToCopy.forEach(file => {
-		copySync(`${sourceDirectory}/${file}`, `${targetDir}/${file}`);
-	})
+  /**
+   * Copy static files that do not require replacements
+   */
+  const filesToCopy = [
+    `docker-entrypoint.sh`,
+  ];
+  filesToCopy.forEach(file => {
+    copySync(`${sourceDirectory}/${file}`, `${targetDir}/${file}`);
+  })
 
-	/**
-	 * Generate tag list
-	 */
-	const tagList = stringify({ tags: image["tags"] });
-	Deno.writeTextFileSync(`${targetDir}/tags.yml`, tagList);
+  /**
+   * Generate tag list
+   */
+  const tagList = stringify({ tags: image["tags"] });
+  Deno.writeTextFileSync(`${targetDir}/tags.yml`, tagList);
 }
diff --git a/source/Dockerfile b/source/Dockerfile
index fc83cf3..518b9f3 100644
--- a/source/Dockerfile
+++ b/source/Dockerfile
@@ -2,86 +2,86 @@ FROM php:%%PHP_VERSION_TAG%%-apache
 
 # install persistent PHP extensions (they won’t get purged afterwards)
 RUN set -eux; \
-	apt-get update; \
-	apt-get install -y --quiet --no-install-recommends \
-		ghostscript \
-		locales \
-		unzip \
-	; \
-	rm -rf /var/lib/apt/lists/*
+  apt-get update; \
+  apt-get install -y --quiet --no-install-recommends \
+    ghostscript \
+    locales \
+    unzip \
+  ; \
+  rm -rf /var/lib/apt/lists/*
 
 # generate locales
 RUN set -eux; \
-	echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "es_ES.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "it_IT.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "nl_NL.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "pt_BR.UTF-8 UTF-8" >> /etc/locale.gen; \
-	echo "sv_SE.UTF-8 UTF-8" >> /etc/locale.gen; \
-	locale-gen
+  echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "en_GB.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "es_ES.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "it_IT.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "nl_NL.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "pt_BR.UTF-8 UTF-8" >> /etc/locale.gen; \
+  echo "sv_SE.UTF-8 UTF-8" >> /etc/locale.gen; \
+  locale-gen
 
 # install PHP extensions
 RUN set -ex; \
-	\
-	# mark packages as being manually installed
-	# see https://manpages.debian.org/stretch/apt/apt-mark.8.en.html
-	savedAptMark="$(apt-mark showmanual)"; \
-	\
-	# install via apt-get
-	# see https://manpages.debian.org/stretch/apt/apt-get.8.en.html
-	apt-get update; \
-	apt-get install -y --quiet --no-install-recommends \
-		libfreetype6-dev \
-		libjpeg-dev \
-		libmagickwand-dev \
-		libmcrypt-dev \
-		libpng-dev \
-		libwebp-dev \
-		libavif-dev \
-		libzip-dev \
-	; \
-	# install developer extensions
-	apt-get install -y --quiet --no-install-recommends \
-		git \
-		msmtp \
-		msmtp-mta \
-	; \
-	# install and configure via docker-php-ext
-	# see https://github.com/docker-library/docs/tree/master/php#how-to-install-more-php-extensions
-	docker-php-ext-configure gd \
-		--with-freetype \
-		--with-jpeg \
-		--with-webp \
-		--with-avif \
-	; \
-	docker-php-ext-install -j "$(nproc)" \
-		exif \
-		gd \
-		intl \
-		pdo_mysql \
-		zip \
-	; \
-	# install imagick
-	# https://pecl.php.net/package/imagick
-	# pecl install imagick-3.7.0; \
-	# 	docker-php-ext-enable imagick; \
-	# 	rm -r /tmp/pear; \
-	# \
-	# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
-	# see https://github.com/docker-library/wordpress/blob/master/Dockerfile.template
-	apt-mark auto '.*' > /dev/null; \
-	apt-mark manual $savedAptMark; \
-	ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
-		| awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
-		| sort -u \
-		| xargs -r dpkg-query --search \
-		| cut -d: -f1 \
-		| sort -u \
-		| xargs -rt apt-mark manual; \
-	\
-	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
-	rm -rf /var/lib/apt/lists/*
+  \
+  # mark packages as being manually installed
+  # see https://manpages.debian.org/stretch/apt/apt-mark.8.en.html
+  savedAptMark="$(apt-mark showmanual)"; \
+  \
+  # install via apt-get
+  # see https://manpages.debian.org/stretch/apt/apt-get.8.en.html
+  apt-get update; \
+  apt-get install -y --quiet --no-install-recommends \
+    libfreetype6-dev \
+    libjpeg-dev \
+    libmagickwand-dev \
+    libmcrypt-dev \
+    libpng-dev \
+    libwebp-dev \
+    libavif-dev \
+    libzip-dev \
+  ; \
+  # install developer extensions
+  apt-get install -y --quiet --no-install-recommends \
+    git \
+    msmtp \
+    msmtp-mta \
+  ; \
+  # install and configure via docker-php-ext
+  # see https://github.com/docker-library/docs/tree/master/php#how-to-install-more-php-extensions
+  docker-php-ext-configure gd \
+    --with-freetype \
+    --with-jpeg \
+    --with-webp \
+    --with-avif \
+  ; \
+  docker-php-ext-install -j "$(nproc)" \
+    exif \
+    gd \
+    intl \
+    pdo_mysql \
+    zip \
+  ; \
+  # install imagick
+  # https://pecl.php.net/package/imagick
+  # pecl install imagick-3.7.0; \
+  # 	docker-php-ext-enable imagick; \
+  # 	rm -r /tmp/pear; \
+  # \
+  # reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+  # see https://github.com/docker-library/wordpress/blob/master/Dockerfile.template
+  apt-mark auto '.*' > /dev/null; \
+  apt-mark manual $savedAptMark; \
+  ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
+    | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
+    | sort -u \
+    | xargs -r dpkg-query --search \
+    | cut -d: -f1 \
+    | sort -u \
+    | xargs -rt apt-mark manual; \
+  \
+  apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+  rm -rf /var/lib/apt/lists/*
 
 # install composer
 COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
@@ -89,28 +89,28 @@ COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
 # enable OPcache
 # see https://secure.php.net/manual/en/opcache.installation.php
 RUN set -eux; \
-	docker-php-ext-enable opcache; \
-	{ \
-		echo 'opcache.memory_consumption=128'; \
-		echo 'opcache.interned_strings_buffer=8'; \
-		echo 'opcache.max_accelerated_files=4000'; \
-		echo 'opcache.revalidate_freq=2'; \
-	} > /usr/local/etc/php/conf.d/opcache-recommended.ini
+  docker-php-ext-enable opcache; \
+  { \
+    echo 'opcache.memory_consumption=128'; \
+    echo 'opcache.interned_strings_buffer=8'; \
+    echo 'opcache.max_accelerated_files=4000'; \
+    echo 'opcache.revalidate_freq=2'; \
+  } > /usr/local/etc/php/conf.d/opcache-recommended.ini
 
 # enable apache modules
 RUN set -eux; \
-	a2enmod expires headers rewrite ssl
+  a2enmod expires headers rewrite ssl
 
 # create mount point for web root
 VOLUME /var/www/html
 
 # fetch REDAXO, validate checksum and extract to tmp folder
 RUN set -e; \
-	curl -Ls -o redaxo.zip %%PACKAGE_URL%%; \
-	echo "%%PACKAGE_SHA%% *redaxo.zip" | shasum -c -a 256; \
-	unzip -oq redaxo.zip -d /usr/src/redaxo; \
-	rm redaxo.zip; \
-	chown -R www-data:www-data /usr/src/redaxo
+  curl -Ls -o redaxo.zip %%PACKAGE_URL%%; \
+  echo "%%PACKAGE_SHA%% *redaxo.zip" | shasum -c -a 256; \
+  unzip -oq redaxo.zip -d /usr/src/redaxo; \
+  rm redaxo.zip; \
+  chown -R www-data:www-data /usr/src/redaxo
 
 # copy and run entrypoint
 COPY docker-entrypoint.sh /usr/local/bin/
diff --git a/source/docker-entrypoint.sh b/source/docker-entrypoint.sh
index 4cb0436..d743d20 100755
--- a/source/docker-entrypoint.sh
+++ b/source/docker-entrypoint.sh
@@ -2,98 +2,98 @@
 set -euo pipefail
 
 if [[ -n "$(ls -A)" ]]; then
-	echo >&2 " "
-	echo >&2 "❌ ${PWD} is not empty! Skip REDAXO setup."
-	echo >&2 " "
+  echo >&2 " "
+  echo >&2 "❌ ${PWD} is not empty! Skip REDAXO setup."
+  echo >&2 " "
 
 else
 
-	echo >&2 "👉 Start REDAXO setup..."
+  echo >&2 "👉 Start REDAXO setup..."
 
-	# copy REDAXO to web root
-	cp -Rp /usr/src/redaxo/. ./ && \
-		echo >&2 "✅ REDAXO has been successfully copied to ${PWD}."
+  # copy REDAXO to web root
+  cp -Rp /usr/src/redaxo/. ./ && \
+    echo >&2 "✅ REDAXO has been successfully copied to ${PWD}."
 
-	# copy default config
-	mkdir -p redaxo/data/core/ && \
-		cp -fp redaxo/src/core/default.config.yml redaxo/data/core/config.yml && \
-		echo >&2 "✅ Default configuration has been successfully copied."
+  # copy default config
+  mkdir -p redaxo/data/core/ && \
+    cp -fp redaxo/src/core/default.config.yml redaxo/data/core/config.yml && \
+    echo >&2 "✅ Default configuration has been successfully copied."
 
-	# install REDAXO via cli command if available (REDAXO 5.9+)
-	if php redaxo/bin/console setup:run; then
+  # install REDAXO via cli command if available (REDAXO 5.9+)
+  if php redaxo/bin/console setup:run; then
 
-		# prepare database
-		# remember the docker database container takes some time to init!
-		echo >&2 "👉 Prepare database..."
-		repeat=10
-		while ! php redaxo/bin/console -q db:set-connection \
-			--host=$REDAXO_DB_HOST \
-			--database=$REDAXO_DB_NAME \
-			--login=$REDAXO_DB_LOGIN \
-			--password=$REDAXO_DB_PASSWORD 2> /dev/null || false; do
-			if [[ repeat -eq 0 ]]; then
-				echo >&2 "❌ Failed to connect database."
-				exit 1
-			fi
-			repeat=$((repeat - 1))
-			sleep 5
-			echo >&2 "⏳ Wait for database connection... ($repeat)"
-		done
-		echo >&2 "✅ Database has been has been successfully connected."
+    # prepare database
+    # remember the docker database container takes some time to init!
+    echo >&2 "👉 Prepare database..."
+    repeat=10
+    while ! php redaxo/bin/console -q db:set-connection \
+      --host=$REDAXO_DB_HOST \
+      --database=$REDAXO_DB_NAME \
+      --login=$REDAXO_DB_LOGIN \
+      --password=$REDAXO_DB_PASSWORD 2> /dev/null || false; do
+      if [[ repeat -eq 0 ]]; then
+        echo >&2 "❌ Failed to connect database."
+        exit 1
+      fi
+      repeat=$((repeat - 1))
+      sleep 5
+      echo >&2 "⏳ Wait for database connection... ($repeat)"
+    done
+    echo >&2 "✅ Database has been has been successfully connected."
 
-		# run REDAXO setup
-		# hint: get options via `php redaxo/bin/console setup:run --help`
-		echo >&2 "👉 Run setup..."
-		setupArgs=(
-			"--agree-license"
-			"--db-createdb=no"
-			"--db-setup=normal"
-		);
-		[[ -n "$REDAXO_LANG" ]] && setupArgs+=("--lang=${REDAXO_LANG}");
-		[[ -n "$REDAXO_SERVER" ]] && setupArgs+=("--server=${REDAXO_SERVER}");
-		[[ -n "$REDAXO_SERVERNAME" ]] && setupArgs+=("--servername=${REDAXO_SERVERNAME}");
-		[[ -n "$REDAXO_ERROR_EMAIL" ]] && setupArgs+=("--error-email=${REDAXO_ERROR_EMAIL}");
-		[[ -n "$REDAXO_TIMEZONE" ]] && setupArgs+=("--timezone=${REDAXO_TIMEZONE}");
-		[[ -n "$REDAXO_DB_CHARSET" ]] && setupArgs+=("--db-charset=${REDAXO_DB_CHARSET}");
-		[[ -n "$REDAXO_DB_PASSWORD" ]] && setupArgs+=("--db-password=${REDAXO_DB_PASSWORD}"); # required again!
-		[[ -n "$REDAXO_ADMIN_USER" ]] && setupArgs+=("--admin-username=${REDAXO_ADMIN_USER}");
-		[[ -n "$REDAXO_ADMIN_PASSWORD" ]] && setupArgs+=("--admin-password=${REDAXO_ADMIN_PASSWORD}");
+    # run REDAXO setup
+    # hint: get options via `php redaxo/bin/console setup:run --help`
+    echo >&2 "👉 Run setup..."
+    setupArgs=(
+      "--agree-license"
+      "--db-createdb=no"
+      "--db-setup=normal"
+    );
+    [[ -n "$REDAXO_LANG" ]] && setupArgs+=("--lang=${REDAXO_LANG}");
+    [[ -n "$REDAXO_SERVER" ]] && setupArgs+=("--server=${REDAXO_SERVER}");
+    [[ -n "$REDAXO_SERVERNAME" ]] && setupArgs+=("--servername=${REDAXO_SERVERNAME}");
+    [[ -n "$REDAXO_ERROR_EMAIL" ]] && setupArgs+=("--error-email=${REDAXO_ERROR_EMAIL}");
+    [[ -n "$REDAXO_TIMEZONE" ]] && setupArgs+=("--timezone=${REDAXO_TIMEZONE}");
+    [[ -n "$REDAXO_DB_CHARSET" ]] && setupArgs+=("--db-charset=${REDAXO_DB_CHARSET}");
+    [[ -n "$REDAXO_DB_PASSWORD" ]] && setupArgs+=("--db-password=${REDAXO_DB_PASSWORD}"); # required again!
+    [[ -n "$REDAXO_ADMIN_USER" ]] && setupArgs+=("--admin-username=${REDAXO_ADMIN_USER}");
+    [[ -n "$REDAXO_ADMIN_PASSWORD" ]] && setupArgs+=("--admin-password=${REDAXO_ADMIN_PASSWORD}");
 
-		if php redaxo/bin/console setup:run -q -n "${setupArgs[@]}"; then
-			echo >&2 "✅ REDAXO has been successfully installed."
-		else
-			echo >&2 " "
-			echo >&2 "❌ REDAXO setup failed."
-			echo >&2 " "
-			exit 1
-		fi
-	fi
+    if php redaxo/bin/console setup:run -q -n "${setupArgs[@]}"; then
+      echo >&2 "✅ REDAXO has been successfully installed."
+    else
+      echo >&2 " "
+      echo >&2 "❌ REDAXO setup failed."
+      echo >&2 " "
+      exit 1
+    fi
+  fi
 
-	# update file owner and group of writable folders (cache, data)
-	chown -R www-data:www-data redaxo/cache redaxo/data;
+  # update file owner and group of writable folders (cache, data)
+  chown -R www-data:www-data redaxo/cache redaxo/data;
 
-	# done!
-	echo >&2 " "
-	echo >&2 "🚀 REDAXO setup successful."
-	echo >&2 " "
+  # done!
+  echo >&2 " "
+  echo >&2 "🚀 REDAXO setup successful."
+  echo >&2 " "
 
-	# run custom setup (if available)
-	# hint: enables child images to extend the setup process
-	CUSTOM_SETUP="/usr/local/bin/custom-setup.sh";
-	if [[ -x "$CUSTOM_SETUP" ]]; then
-		echo >&2 "👉 Run custom setup..."
+  # run custom setup (if available)
+  # hint: enables child images to extend the setup process
+  CUSTOM_SETUP="/usr/local/bin/custom-setup.sh";
+  if [[ -x "$CUSTOM_SETUP" ]]; then
+    echo >&2 "👉 Run custom setup..."
 
-		if "$CUSTOM_SETUP"; then
-			echo >&2 " "
-			echo >&2 "🚀 Custom setup successful."
-			echo >&2 " "
-		else
-			echo >&2 " "
-			echo >&2 "❌ Custom setup failed."
-			echo >&2 " "
-			exit 1
-		fi
-	fi
+    if "$CUSTOM_SETUP"; then
+      echo >&2 " "
+      echo >&2 "🚀 Custom setup successful."
+      echo >&2 " "
+    else
+      echo >&2 " "
+      echo >&2 "❌ Custom setup failed."
+      echo >&2 " "
+      exit 1
+    fi
+  fi
 fi
 
 # execute CMD