Dockerfile.tt

ARG APP_ROOT=<%= config.root %>
ARG RUBY_VERSION=<%= RUBY_VERSION %>
<%- if config.assets_precompile -%>ARG NODE_VERSION=<%= node_version %><%- end -%>

FROM ruby:${RUBY_VERSION}-alpine AS base
ARG APP_ROOT

RUN apk add --no-cache <%= packages.select(&:build?).join(' ') %>

RUN mkdir -p ${APP_ROOT}
COPY Gemfile Gemfile.lock ${APP_ROOT}/

WORKDIR ${APP_ROOT}
RUN gem install bundler:<%= Bundler::VERSION %> \
    && bundle config --local deployment 'true' \
    && bundle config --local frozen 'true' \
    && bundle config --local no-cache 'true' \
    && bundle config --local without '<%= exclude_groups.join(' ') %>' \
    && bundle install -j "$(getconf _NPROCESSORS_ONLN)" \
    && find ${APP_ROOT}/vendor/bundle -type f -name '*.c' -delete \
    && find ${APP_ROOT}/vendor/bundle -type f -name '*.h' -delete \
    && find ${APP_ROOT}/vendor/bundle -type f -name '*.o' -delete \
    && find ${APP_ROOT}/vendor/bundle -type f -name '*.gem' -delete

<%- if has?('bootsnap') -%>
RUN bundle exec bootsnap precompile --gemfile app/ lib/

<%- end -%>
<%- if config.assets_precompile -%>
FROM node:${NODE_VERSION}-alpine as node
FROM ruby:${RUBY_VERSION}-alpine as assets
ARG APP_ROOT
ARG RAILS_MASTER_KEY

ENV RAILS_MASTER_KEY=$RAILS_MASTER_KEY

<%- if packages.select(&:runtime?).any? -%>
RUN apk add --no-cache <%= packages.select(&:runtime?).join(' ') %> yarn

<%- end -%>
COPY --from=node /usr/local/bin/node /usr/local/bin/node

COPY --from=base /usr/local/bundle/config /usr/local/bundle/config
COPY --from=base /usr/local/bundle /usr/local/bundle
COPY --from=base ${APP_ROOT}/vendor/bundle ${APP_ROOT}/vendor/bundle

RUN mkdir -p ${APP_ROOT}
COPY . ${APP_ROOT}

ENV RAILS_ENV=production
WORKDIR ${APP_ROOT}
RUN bundle exec rake assets:precompile

<%- end -%>
FROM ruby:${RUBY_VERSION}-alpine
ARG APP_ROOT

<%- if packages.select(&:runtime?).any? -%>
RUN apk add --no-cache <%= packages.select(&:runtime?).join(' ') %>

<%- end -%>
COPY --from=base /usr/local/bundle/config /usr/local/bundle/config
COPY --from=base /usr/local/bundle /usr/local/bundle
COPY --from=base ${APP_ROOT}/vendor/bundle ${APP_ROOT}/vendor/bundle
<%- if has?('bootsnap') -%>
COPY --from=base ${APP_ROOT}/tmp/cache ${APP_ROOT}/tmp/cache

<%- end -%>
RUN mkdir -p ${APP_ROOT}

<%- if has?('rails') -%>
ENV RAILS_ENV=production
ENV RAILS_LOG_TO_STDOUT=true
ENV RAILS_SERVE_STATIC_FILES=yes
<%- end -%>
ENV APP_ROOT=$APP_ROOT

COPY . ${APP_ROOT}
<%- if config.assets_precompile -%>COPY --from=assets /${APP_ROOT}/public /${APP_ROOT}/public
<%- end -%>
<%- if config.revision -%>

ARG REVISION
ENV REVISION=$REVISION
ENV COMMIT_SHORT_SHA=$REVISION
RUN echo "${REVISION}" > ${APP_ROOT}/REVISION
<%- end -%>
<%- if config.sentry_release -%>

ARG SENTRY_RELEASE
ENV SENTRY_RELEASE=$SENTRY_RELEASE
<%- end -%>

# Apply Execute Permission
RUN adduser -h ${APP_ROOT} -D -s /bin/nologin ruby ruby && \
    chown ruby:ruby ${APP_ROOT} && \
    <%- if has?('rails') -%>
    chown -R ruby:ruby ${APP_ROOT}/log && \
    chown -R ruby:ruby ${APP_ROOT}/tmp && \
    <%- end -%>
    chmod -R +r ${APP_ROOT}

USER ruby
WORKDIR ${APP_ROOT}

EXPOSE <%= config.port %>
<%- if has?('liveness') || config.health_check -%>
HEALTHCHECK CMD curl -f http://localhost:<%= config.port %><%= config.health_check_path %> || exit 1
<%- end -%>
ENTRYPOINT <%= entrypoint %>
CMD <%= command %>