diff --git a/docker/.env b/docker/.env.example
similarity index 66%
rename from docker/.env
rename to docker/.env.example
index 21e10d2..ee5c236 100644
--- a/docker/.env
+++ b/docker/.env.example
@@ -1,2 +1,3 @@
 XDEBUG_HOST=localhost
 XDEBUG_PORT=9000
+GITHUB_API_TOKEN=""
diff --git a/docker/Dockerfile b/docker/Dockerfile
index bc2c947..1b7ebd9 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.4-cli as php
+FROM php:8.1-cli as php
 
 RUN apt-get update -y \
  && apt-get install -y \
@@ -43,7 +43,7 @@ RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
 FROM php as base
 
 RUN apt-get update -y \
- && apt-get install -y git python3-pip openssh-client \
+ && apt-get install -y git python3-pip openssh-client gpg \
  && apt-get install -y ruby \
  && gem install yamlclean
 
@@ -61,9 +61,9 @@ RUN composer -vvv global require silverstripe/cow:${COW_VERSION} \
  && chmod 755 /root \
  && ln -s /root/.composer/vendor/bin/cow /usr/bin/. \
  && groupadd -f -g ${GROUP_ID} cow \
- && useradd -g ${GROUP_ID} -d /home/cow -m -u ${USER_ID} cow \
- && mkdir -p /home/cow/.composer/cache \
- && chown -R cow:cow /home/cow/.composer
+ && useradd -g ${GROUP_ID} -d /home/cow -m -u ${USER_ID} cow
+#  && mkdir -p /home/cow/.cache/composer/cache \
+#  && chown -R cow:cow /home/cow/.cache/composer
 
 USER cow
 WORKDIR /home/cow
@@ -76,6 +76,6 @@ FROM stable as debug
 
 USER root
 RUN docker-php-source extract \
- && yes '' | pecl install xdebug-2.9.8 && docker-php-ext-enable xdebug \
+ && yes '' | pecl install xdebug && docker-php-ext-enable xdebug \
  && docker-php-source delete
-USER cow
\ No newline at end of file
+USER cow
diff --git a/docker/bin/run b/docker/bin/run
index 92b28a7..c8454f2 100755
--- a/docker/bin/run
+++ b/docker/bin/run
@@ -48,13 +48,13 @@ docker_compose_params()
 docker_compose_run()
 {
     cd $DOCKER_DIR && \
-    docker-compose run --rm $(docker_compose_params) $EXTRA_FLAGS $1 ${@:2}
+    docker compose run --rm $(docker_compose_params) $EXTRA_FLAGS $1 ${@:2}
 }
 
 docker_compose_pull()
 {
     cd $DOCKER_DIR && \
-    GIT_CONFIG=$GIT_CONFIG USER_ID=$USER_ID GROUP_ID=$GROUP_ID docker-compose build --pull $1 ${@:2}
+    GIT_CONFIG=$GIT_CONFIG USER_ID=$USER_ID GROUP_ID=$GROUP_ID docker compose build --pull $1 ${@:2}
 }
 
 if [ ! -z "$SKIP_RUN_EXEC" ] ; then
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index cf22292..0b5b0ac 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -62,4 +62,4 @@ services:
     network_mode: 'host'
     volumes: *volumes
     entrypoint: *entrypoint
-    environment: *environment
\ No newline at end of file
+    environment: *environment
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index 05f5dd8..0c82aa1 100755
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -60,4 +60,4 @@ if [ ! -z "$COW_MODE_PHPCS" ] ; then
     exit;
 fi
 
-$DIR/bin/cow $@
\ No newline at end of file
+$DIR/bin/cow $@
diff --git a/docker/release/Dockerfile b/docker/release/Dockerfile
index 71600f9..5a0cab9 100644
--- a/docker/release/Dockerfile
+++ b/docker/release/Dockerfile
@@ -5,6 +5,9 @@ ARG GROUP_ID=${GROUP_ID}
 
 USER root
 
+RUN apt-get update -y \
+ && apt-get install -y gpg
+
 # Sync the user id and group id with the host machine
 RUN usermod -u ${USER_ID} -g ${GROUP_ID} cow && chown -R cow:cow /home/cow