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This commit is contained in:
Andrew Tomaka 2023-08-18 22:36:48 -04:00
parent dfb2a9673f
commit 327511af88
Signed by: atomaka
GPG key ID: 61209BF70A5B18BE

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@ -1,30 +1,63 @@
# Make sure it matches the Ruby version in .ruby-version and Gemfile # syntax = docker/dockerfile:1
ARG RUBY_VERSION=3.2.0
FROM ruby:$RUBY_VERSION # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
ARG RUBY_VERSION=3.2.2
FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
# Rails app lives here # Rails app lives here
WORKDIR /rails WORKDIR /rails
# Set production environment # Set production environment
ENV RAILS_LOG_TO_STDOUT="1" \ ENV RAILS_ENV="production" \
RAILS_SERVE_STATIC_FILES="true" \ BUNDLE_DEPLOYMENT="1" \
RAILS_ENV="production" \ BUNDLE_PATH="/usr/local/bundle" \
BUNDLE_WITHOUT="development:test" BUNDLE_WITHOUT="development"
# Throw-away build stage to reduce size of final image
FROM base as build
# Install packages needed to build gems
RUN apt-get update -qq && \
apt-get install --no-install-recommends -y build-essential git libvips pkg-config
# Install application gems # Install application gems
COPY Gemfile Gemfile.lock ./ COPY Gemfile Gemfile.lock ./
RUN bundle install RUN bundle install && \
rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
bundle exec bootsnap precompile --gemfile
# Copy application code # Copy application code
COPY . . COPY . .
# Precompile bootsnap code for faster boot times # Precompile bootsnap code for faster boot times
RUN bundle exec bootsnap precompile --gemfile app/ lib/ RUN bundle exec bootsnap precompile app/ lib/
# Precompiling assets for production without requiring secret RAILS_MASTER_KEY # Precompiling assets for production without requiring secret RAILS_MASTER_KEY
RUN SECRET_KEY_BASE_DUMMY=1 bundle exec rails assets:precompile RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
# Entrypoint prepares database and starts app on 0.0.0.0:3000 by default,
# but can also take a rails command, like "console" or "runner" to start instead. # Final stage for app image
FROM base
# Install packages needed for deployment
RUN apt-get update -qq && \
apt-get install --no-install-recommends -y curl libsqlite3-0 libvips && \
rm -rf /var/lib/apt/lists /var/cache/apt/archives
# Copy built artifacts: gems, application
COPY --from=build /usr/local/bundle /usr/local/bundle
COPY --from=build /rails /rails
# Run and own only the runtime files as a non-root user for security
RUN useradd rails --create-home --shell /bin/bash && \
chown -R rails:rails db log storage tmp
USER rails:rails
# Entrypoint prepares the database.
ENTRYPOINT ["/rails/bin/docker-entrypoint"] ENTRYPOINT ["/rails/bin/docker-entrypoint"]
# Start the server by default, this can be overwritten at runtime
EXPOSE 3000 EXPOSE 3000
CMD ["./bin/rails", "server"]