Dockerfile

FROM quay.io/giantswarm/alpine:3.18.4 AS compress

RUN apk --no-cache add findutils gzip

# Copy happa built static files.
COPY dist /www

RUN find /www \
  -type f -regextype posix-extended \
  -size +512c \
  -iregex '.*\.(css|csv|html?|js|svg|txt|xml|json|webmanifest|ttf)' \
  -exec gzip -9 -k '{}' \;

FROM quay.io/giantswarm/nginx:1.23-alpine as builder

ARG ENABLED_MODULES="ndk lua"

SHELL ["/bin/ash", "-exo", "pipefail", "-c"]

RUN if [ "$ENABLED_MODULES" = "" ]; then \
        echo "No additional modules enabled, exiting"; \
        exit 1; \
    fi

COPY ./ /modules/

RUN apk update \
    && apk add linux-headers openssl-dev pcre2-dev zlib-dev openssl abuild \
               musl-dev libxslt libxml2-utils make mercurial gcc unzip git \
               xz g++ coreutils \
    # allow abuild as a root user \
    && printf "#!/bin/sh\\nSETFATTR=true /usr/bin/abuild -F \"\$@\"\\n" > /usr/local/bin/abuild \
    && chmod +x /usr/local/bin/abuild \
    && hg clone -r ${NGINX_VERSION}-${PKG_RELEASE} https://hg.nginx.org/pkg-oss/ \
    && cd pkg-oss \
    && mkdir /tmp/packages \
    && for module in $ENABLED_MODULES; do \
        echo "Building $module for nginx-$NGINX_VERSION"; \
        if [ -d /modules/$module ]; then \
            echo "Building $module from user-supplied sources"; \
            # check if module sources file is there and not empty
            if [ ! -s /modules/$module/source ]; then \
                echo "No source file for $module in modules/$module/source, exiting"; \
                exit 1; \
            fi; \
            # some modules require build dependencies
            if [ -f /modules/$module/build-deps ]; then \
                echo "Installing $module build dependencies"; \
                apk update && apk add $(cat /modules/$module/build-deps | xargs); \
            fi; \
            # if a module has a build dependency that is not in a distro, provide a
            # shell script to fetch/build/install those
            # note that shared libraries produced as a result of this script will
            # not be copied from the builder image to the main one so build static
            if [ -x /modules/$module/prebuild ]; then \
                echo "Running prebuild script for $module"; \
                /modules/$module/prebuild; \
            fi; \
            /pkg-oss/build_module.sh -v $NGINX_VERSION -f -y -o /tmp/packages -n $module $(cat /modules/$module/source); \
            BUILT_MODULES="$BUILT_MODULES $(echo $module | tr '[A-Z]' '[a-z]' | tr -d '[/_\-\.\t ]')"; \
        elif make -C /pkg-oss/alpine list | grep -E "^$module\s+\d+" > /dev/null; then \
            echo "Building $module from pkg-oss sources"; \
            cd /pkg-oss/alpine; \
            make abuild-module-$module BASE_VERSION=$NGINX_VERSION NGINX_VERSION=$NGINX_VERSION; \
            apk add $(. ./abuild-module-$module/APKBUILD; echo $makedepends;); \
            make module-$module BASE_VERSION=$NGINX_VERSION NGINX_VERSION=$NGINX_VERSION; \
            find ~/packages -type f -name "*.apk" -exec mv -v {} /tmp/packages/ \;; \
            BUILT_MODULES="$BUILT_MODULES $module"; \
        else \
            echo "Don't know how to build $module module, exiting"; \
            exit 1; \
        fi; \
    done \
    && echo "BUILT_MODULES=\"$BUILT_MODULES\"" > /tmp/packages/modules.env

FROM quay.io/giantswarm/nginx:1.23-alpine
RUN --mount=type=bind,target=/tmp/packages/,source=/tmp/packages/,from=builder \
    . /tmp/packages/modules.env \
    && for module in $BUILT_MODULES; do \
           apk add --no-cache --allow-untrusted /tmp/packages/nginx-module-${module}-${NGINX_VERSION}*.apk; \
       done

ENV NODE_VERSION 16.7.0

RUN apk add --no-cache binutils libstdc++
RUN curl -fsSLO --compressed "https://unofficial-builds.nodejs.org/download/release/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64-musl.tar.xz"; \
      tar -xJf "node-v$NODE_VERSION-linux-x64-musl.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
      && ln -s /usr/local/bin/node /usr/local/bin/nodejs;

COPY nginx /etc/nginx/
COPY --chown=nginx tsconfig.json/ /tsconfig.json
COPY --chown=nginx scripts/ /scripts
COPY --from=compress --chown=nginx /www /www

RUN npm install -g typescript ts-node ejs @types/ejs tslib @types/node js-yaml @types/js-yaml dotenv
RUN cd /scripts && npm link ejs @types/ejs js-yaml @types/js-yaml dotenv
RUN chown -R nginx:nginx /scripts/

RUN chown -R nginx:nginx /var/log/nginx/

RUN chmod u=rwx /www
RUN touch /etc/nginx/resolvers.conf && chown nginx:nginx /etc/nginx/resolvers.conf
RUN echo resolver $(awk '/^nameserver/{print $2}' /etc/resolv.conf) ";" > /etc/nginx/resolvers.conf

USER nginx

ENTRYPOINT ["sh", "-c", "scripts/prepare.ts && exec \"$@\"", "sh"]

CMD ["/usr/sbin/nginx", "-c", "/etc/nginx/nginx.conf", "-g", "daemon off;"]