mirror of
https://github.com/czhu12/canine.git
synced 2025-12-17 00:44:33 -06:00
86 lines
3.0 KiB
Docker
86 lines
3.0 KiB
Docker
# syntax = docker/dockerfile:1
|
|
|
|
# This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand:
|
|
# docker build -t my-app .
|
|
# docker run -d -p 80:80 -p 443:443 --name my-app -e RAILS_MASTER_KEY=<value from config/master.key> my-app
|
|
|
|
# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
|
|
ARG RUBY_VERSION=3.3.4
|
|
FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
|
|
|
|
# Rails app lives here
|
|
WORKDIR /rails
|
|
|
|
# Install base packages
|
|
RUN apt-get update -qq && \
|
|
apt-get install --no-install-recommends -y curl libjemalloc2 libvips postgresql-client && \
|
|
rm -rf /var/lib/apt/lists /var/cache/apt/archives
|
|
|
|
# Set production environment
|
|
ENV RAILS_ENV="production" \
|
|
BUNDLE_DEPLOYMENT="1" \
|
|
BUNDLE_PATH="/usr/local/bundle" \
|
|
BUNDLE_WITHOUT="development" \
|
|
DOCKER_ENV="1"
|
|
|
|
# Throw-away build stage to reduce size of final image
|
|
FROM base AS build
|
|
|
|
# Install packages needed to build gems and kubernetes tools
|
|
RUN apt-get update -qq && \
|
|
apt-get install --no-install-recommends -y build-essential git libpq-dev pkg-config \
|
|
curl \
|
|
ca-certificates \
|
|
gnupg && \
|
|
# Install Docker CLI
|
|
curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg && \
|
|
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian bullseye stable" > /etc/apt/sources.list.d/docker.list && \
|
|
apt-get update && \
|
|
apt-get install -y docker-ce-cli && \
|
|
# Install kubectl
|
|
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
|
|
chmod +x kubectl && \
|
|
mv kubectl /usr/local/bin/ && \
|
|
# Install helm
|
|
curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash && \
|
|
# Cleanup
|
|
rm -rf /var/lib/apt/lists /var/cache/apt/archives
|
|
|
|
# Install application gems
|
|
COPY Gemfile Gemfile.lock ./
|
|
RUN bundle install && \
|
|
rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
|
|
bundle exec bootsnap precompile --gemfile
|
|
|
|
# Copy application code
|
|
COPY . .
|
|
|
|
# Precompile bootsnap code for faster boot times
|
|
RUN bundle exec bootsnap precompile app/ lib/
|
|
|
|
# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
|
|
RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
|
|
|
|
|
|
|
|
|
|
# Final stage for app image
|
|
FROM base
|
|
|
|
# Copy built artifacts: gems, application
|
|
COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
|
|
COPY --from=build /rails /rails
|
|
|
|
# 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 && \
|
|
chown -R rails:rails db log storage tmp
|
|
USER 1000:1000
|
|
|
|
# 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"]
|