76 lines
2.0 KiB
Docker
76 lines
2.0 KiB
Docker
# syntax = docker/dockerfile:1
|
|
|
|
# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
|
|
ARG RUBY_VERSION=3.4.3
|
|
FROM ghcr.io/surnet/alpine-wkhtmltopdf:3.22.0-024b2b2-full as wkhtmltopdf
|
|
FROM ruby:${RUBY_VERSION}-alpine3.21 AS base
|
|
|
|
# Rails app lives here
|
|
WORKDIR /rails
|
|
|
|
# Set production environment
|
|
ENV RAILS_ENV="production" \
|
|
BUNDLE_DEPLOYMENT="1" \
|
|
BUNDLE_PATH="/usr/local/bundle" \
|
|
BUNDLE_WITHOUT="development"
|
|
|
|
# Install runtime dependencies
|
|
RUN apk update && \
|
|
apk add --no-cache nodejs
|
|
|
|
COPY --from=wkhtmltopdf /bin/wkhtmltopdf /bin/
|
|
|
|
# Throw-away build stage to reduce size of final image
|
|
FROM base AS build
|
|
|
|
# Install packages needed to build gems
|
|
RUN apk update && \
|
|
apk add --no-cache \
|
|
build-base \
|
|
git \
|
|
postgresql-dev \
|
|
vips-dev \
|
|
pkgconfig \
|
|
yaml-dev
|
|
|
|
# Install application gems
|
|
COPY Gemfile Gemfile.lock ./
|
|
RUN bundle install && \
|
|
rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
|
|
bundle exec bootsnap precompile --gemfile
|
|
|
|
# Copy application code
|
|
COPY . .
|
|
|
|
# Precompile bootsnap code for faster boot times
|
|
RUN bundle exec bootsnap precompile app/ lib/
|
|
|
|
# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
|
|
RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
|
|
|
|
# Final stage for app image
|
|
FROM base
|
|
|
|
# Install packages needed for deployment
|
|
RUN apk update && \
|
|
apk add --no-cache \
|
|
curl \
|
|
vips \
|
|
postgresql-client
|
|
|
|
# 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 adduser -D -h /home/rails rails && \
|
|
chown -R rails:rails db log storage tmp || true
|
|
USER rails
|
|
|
|
# Entrypoint prepares the database.
|
|
ENTRYPOINT ["/rails/bin/docker-entrypoint"]
|
|
|
|
# Start the server by default, this can be overwritten at runtime
|
|
EXPOSE 3000
|
|
CMD ["./bin/rails", "server"]
|