FROM arm64v8/ruby:2.7-alpine

# Set up git remote
ARG TAG
ARG GIT_REPOSITORY
ARG BUILD_DATE

# Tell rails to serve static files
ENV RAILS_SERVE_STATIC_FILES="true"
ENV RAILS_ENV="production"
ENV NODE_ENV="production"

# Install helper scripts
COPY root/ /

# Install build dependencies
RUN apk add --no-cache whois nodejs yarn ca-certificates git bash \
	gcc g++ make libc-dev file sed \
	imagemagick protobuf-dev libpq ffmpeg icu-dev libidn-dev yaml-dev \
	readline-dev postgresql-dev curl tini python && \
	update-ca-certificates

# Create the mastodon user
ARG UID=1001
ARG GID=1001
RUN echo "Etc/UTC" > /etc/localtime && \
	mkdir -p /opt/mastodon && \
	addgroup --gid $GID mastodon && \
	adduser -D -h /opt/mastodon -u $UID -G mastodon -h /opt/mastodon mastodon && \
	echo "mastodon:`head /dev/urandom | tr -dc A-Za-z0-9 | head -c 24 | mkpasswd -s -m sha-256`" | chpasswd && \
	chown -R mastodon:mastodon /opt/mastodon

# Install mastodon
USER mastodon
RUN git clone -b ${TAG} ${GIT_REPOSITORY} /opt/mastodon && \
	rm -rf /opt/mastodon/.git

# Install dependencies
WORKDIR /opt/mastodon
RUN mkdir -p /opt/mastodon/.config/yarn/global && \
	touch /opt/mastodon/.config/yarn/global/.yarnclean && \
	gem install bundler:1.17.2 && \
	bundle config set deployment 'true' && \
	bundle install -j$(nproc) --without development test --with production && \
	yarn install --pure-lockfile

# Compile assets
RUN OTP_SECRET=precompile_placeholder SECRET_KEY_BASE=precompile_placeholder \
	bundle exec rake assets:precompile

ENTRYPOINT ["/sbin/tini", "--"]