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| author | Adam Malczewski <[email protected]> | 2026-03-30 19:03:22 +0900 |
|---|---|---|
| committer | Adam Malczewski <[email protected]> | 2026-03-30 19:03:22 +0900 |
| commit | 952c6b565832dd0dbcef7a9a80edc871f79e15a8 (patch) | |
| tree | 698db27a35f8f40356a0381a32a02767481dc6a9 /Dockerfile | |
| download | dispatch-api-main.tar.gz dispatch-api-main.zip | |
Diffstat (limited to 'Dockerfile')
| -rw-r--r-- | Dockerfile | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..42f29b9 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,74 @@ +# syntax=docker/dockerfile:1 +# check=error=true + +# This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand: +# docker build -t dispatch_api . +# docker run -d -p 80:80 -e RAILS_MASTER_KEY=<value from config/master.key> --name dispatch_api dispatch_api + +# For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html + +# Make sure RUBY_VERSION matches the Ruby version in .ruby-version +ARG RUBY_VERSION=4.0.1 +FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base + +# Rails app lives here +WORKDIR /rails + +# Install base packages +RUN apt-get update -qq && \ + apt-get install --no-install-recommends -y curl libjemalloc2 libvips postgresql-client && \ + ln -s /usr/lib/$(uname -m)-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so && \ + rm -rf /var/lib/apt/lists /var/cache/apt/archives + +# Set production environment variables and enable jemalloc for reduced memory usage and latency. +ENV RAILS_ENV="production" \ + BUNDLE_DEPLOYMENT="1" \ + BUNDLE_PATH="/usr/local/bundle" \ + BUNDLE_WITHOUT="development" \ + LD_PRELOAD="/usr/local/lib/libjemalloc.so" + +# 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 libpq-dev libvips libyaml-dev pkg-config && \ + rm -rf /var/lib/apt/lists /var/cache/apt/archives + +# Install application gems +COPY vendor/* ./vendor/ +COPY Gemfile Gemfile.lock ./ + +RUN bundle install && \ + rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \ + # -j 1 disable parallel compilation to avoid a QEMU bug: https://github.com/rails/bootsnap/issues/495 + bundle exec bootsnap precompile -j 1 --gemfile + +# Copy application code +COPY . . + +# Precompile bootsnap code for faster boot times. +# -j 1 disable parallel compilation to avoid a QEMU bug: https://github.com/rails/bootsnap/issues/495 +RUN bundle exec bootsnap precompile -j 1 app/ lib/ + + + + +# Final stage for app image +FROM base + +# Run and own only the runtime files as a non-root user for security +RUN groupadd --system --gid 1000 rails && \ + useradd rails --uid 1000 --gid 1000 --create-home --shell /bin/bash +USER 1000:1000 + +# Copy built artifacts: gems, application +COPY --chown=rails:rails --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}" +COPY --chown=rails:rails --from=build /rails /rails + +# Entrypoint prepares the database. +ENTRYPOINT ["/rails/bin/docker-entrypoint"] + +# Start server via Thruster by default, this can be overwritten at runtime +EXPOSE 80 +CMD ["./bin/thrust", "./bin/rails", "server"] |
