Dockerfile-alpine

ARG ALPINE_RUBY_VERSION=2.7.3
ARG BUILD_BASE_SHA1
ARG BUNDLER_VERSION=2.2.22
# Should exists for alpine, see https://unofficial-builds.nodejs.org/download/release/
ARG NODE_VERSION=v16.13.0 


########################################################################
# Dependancy layer
########################################################################
FROM git.octree.ch:4567/decidim/ocsin/releases:build-base-${BUILD_BASE_SHA1}  AS dependancy

########################################################################
# Final layer
########################################################################
FROM ruby:${ALPINE_RUBY_VERSION}-alpine
LABEL maintainer="hello@octree.ch"
ARG ALPINE_RUBY_VERSION
ARG BUNDLER_VERSION

ENV RAILS_ENV=production \
    RACK_ENV=production \
    TZ=Europe/Zurich \
    LANG=C.UTF-8 \
    RAILS_SERVE_STATIC_FILES=false \
    BUNDLER_VERSION=$BUNDLER_VERSION \
    RAILS_ROOT=/home/decidim/app

ENV PATH=$PATH:$RAILS_ROOT/bin

RUN apk update && \
    apk upgrade && \
    gem update --system && \
    gem install bundler --version "$BUNDLER_VERSION" && \
    apk add --no-cache \
        postgresql-dev \
        tzdata \
        imagemagick \
        bash \
        p7zip \
        vim \
        && rm -rf /var/cache/apk/*
RUN mkdir -p $RAILS_ROOT/lib/seven_zip_ruby && \
  ln -s /usr/lib/p7zip/7z.so $RAILS_ROOT/lib/seven_zip_ruby/7z.so

# Add imagemagick policy
COPY ./.docker/imagemagick-policy.xml /etc/ImageMagick-7/policy.xml 
RUN bundle config set without 'development test'

# Create system user to run as non-root.
ONBUILD COPY .user.conf .
ONBUILD RUN source .user.conf && addgroup -S decidim -g $GROUP_UID && \
    adduser -S -g '' -u $USER_UID -G decidim decidim  && \
    rm .user.conf

# Copy app & gems
COPY --from=dependancy /usr/local/bundle/ /usr/local/bundle/
# Switch to non-root system user
ONBUILD USER decidim
ONBUILD WORKDIR $RAILS_ROOT

# Define bash as the default shell
SHELL ["/bin/bash", "-l", "-c"]
ENTRYPOINT [".docker/entrypoint.sh"]
CMD ["bundle", "exec", "rails", "server", "puma"]