mirror of
https://github.com/basecamp/once-campfire.git
synced 2025-10-26 02:33:54 +09:00
80 lines
2.3 KiB
Docker
80 lines
2.3 KiB
Docker
# syntax = docker/dockerfile:1
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# Make sure it matches the Ruby version in .ruby-version and Gemfile
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ARG RUBY_VERSION=3.4.5
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FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
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# Rails app lives here
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WORKDIR /rails
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# Install base packages
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RUN apt-get update -qq && \
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apt-get install --no-install-recommends -y curl libsqlite3-0 libvips libjemalloc2 ffmpeg redis && \
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ln -s /usr/lib/$(uname -m)-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so && \
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rm -rf /var/lib/apt/lists /var/cache/apt/archive
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# Set production environment
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ENV RAILS_ENV="production" \
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BUNDLE_DEPLOYMENT="1" \
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BUNDLE_PATH="/usr/local/bundle" \
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BUNDLE_WITHOUT="development" \
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LD_PRELOAD="/usr/local/lib/libjemalloc.so"
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# Throw-away build stage to reduce size of final image
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FROM base AS build
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# Install packages need to build gems
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RUN apt-get update -qq && \
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apt-get install -y build-essential git pkg-config libyaml-dev && \
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rm -rf /var/lib/apt/lists /var/cache/apt/archives
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# Install application gems
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COPY Gemfile Gemfile.lock vendor ./
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RUN bundle install && \
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rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git
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# Copy application code
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COPY . .
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# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
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RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
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# Final stage for app image
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FROM base
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# Image metadata
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ARG OCI_DESCRIPTION
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LABEL org.opencontainers.image.description="${OCI_DESCRIPTION}"
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ARG OCI_SOURCE
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LABEL org.opencontainers.image.source="${OCI_SOURCE}"
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LABEL org.opencontainers.image.licenses="MIT"
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# Run and own only the runtime files as a non-root user for security
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RUN groupadd --system --gid 1000 rails && \
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useradd rails --uid 1000 --gid 1000 --create-home --shell /bin/bash
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USER 1000:1000
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# Configure environment defaults
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ENV HTTP_IDLE_TIMEOUT=60
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ENV HTTP_READ_TIMEOUT=300
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ENV HTTP_WRITE_TIMEOUT=300
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# Copy built artifacts: gems, application
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COPY --from=build --chown=rails:rails /usr/local/bundle /usr/local/bundle
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COPY --from=build --chown=rails:rails /rails /rails
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# Set version and revision
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ARG APP_VERSION
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ENV APP_VERSION=$APP_VERSION
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ARG GIT_REVISION
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ENV GIT_REVISION=$GIT_REVISION
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# Expose ports for HTTP and HTTPS
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EXPOSE 80 443
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# Start the server by default, this can be overwritten at runtime
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CMD ["bin/boot"]
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