Jason Jordan
78 lines
2.3 KiB
Docker
78 lines
2.3 KiB
Docker
# syntax = docker/dockerfile:1
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# 1. Base Stage: Common dependencies
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ARG RUBY_VERSION=3.4.8
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FROM ruby:$RUBY_VERSION-slim as base
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WORKDIR /rails
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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:test"
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# Install base packages (libvips for Active Storage, curl for healthchecks)
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RUN apt-get update -qq && \
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apt-get install --no-install-recommends -y \
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curl \
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git \
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libvips \
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freetds-bin \
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freetds-dev \
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libpq-dev \
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libyaml-dev \
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cron \
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libjemalloc2 \
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dos2unix && \
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rm -rf /var/lib/apt/lists /var/cache/apt/archives
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# 2. Build Stage: Gems and Assets
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FROM base as build
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# Install packages needed to build gems and precompile assets
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RUN apt-get update -qq && \
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apt-get install --no-install-recommends -y build-essential pkg-config less && \
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# mkdir -p /etc/apt/keyrings && \
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# curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg && \
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# echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main" > /etc/apt/sources.list.d/nodesource.list && \
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# apt-get update && \
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# apt-get install nodejs -y && \
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rm -rf /var/lib/apt/lists /var/cache/apt/archives
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# RUN apt-get install -y npm
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# RUN npm install -g yarn
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# Install application gems
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RUN bundle config set --local frozen false
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COPY Gemfile Gemfile.lock ./
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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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# RUN bundle exec ./bin/rails rails_icons:sync
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RUN ./bin/rails generate rails_icons:sync --libraries=lucide
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# Precompile assets (Tailwind is triggered here via assets:precompile)
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# SECRET_KEY_BASE_DUMMY allows precompilation without real secrets
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RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
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# 3. Final Stage: Lean Runtime
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FROM base
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# Copy built artifacts: gems and precompiled assets
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COPY --from=build /usr/local/bundle /usr/local/bundle
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COPY --from=build /rails /rails
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# Run as a non-privileged user for security
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RUN useradd -ms /bin/bash rails
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RUN chown -R rails:rails /rails
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USER rails:rails
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# Entrypoint prepares the database.
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ENTRYPOINT ["/rails/bin/docker-entrypoint"]
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# Start the server
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EXPOSE 3002
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CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]
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