DISTRO_NAME=bullseye FROM ruby:$RUBY_VERSION-slim-$DISTRO_NAME ARG DISTRO_NAME # Common dependencies RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \ --mount=type=cache,target=/var/lib/apt,sharing=locked \ --mount=type=tmpfs,target=/var/log \ rm -f /etc/apt/apt.conf.d/docker-clean; \ echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache; \ apt-get update -qq \ && DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends \ build-essential \ gnupg2 \ curl \ less \ git # Install PostgreSQL dependencies ARG PG_MAJOR RUN curl -sSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | \ gpg --dearmor -o /usr/share/keyrings/postgres-archive-keyring.gpg \ && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/postgres-archive-keyring.g $DISTRO_NAME-pgdg main $PG_MAJOR | tee /etc/apt/sources.list.d/postgres.list > /dev/null RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \ --mount=type=cache,target=/var/lib/apt,sharing=locked \ --mount=type=tmpfs,target=/var/log \ apt-get update -qq && DEBIAN_FRONTEND=noninteractive apt-get -yq dist-upgrade && \ DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends \ libpq-dev \ postgresql-client-$PG_MAJOR # Install NodeJS and Yarn ARG NODE_MAJOR ARG YARN_VERSION=latest RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \ --mount=type=cache,target=/var/lib/apt,sharing=locked \ --mount=type=tmpfs,target=/var/log \ apt-get update && \ apt-get install -y curl software-properties-common && \ curl -fsSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \ echo "deb https://deb.nodesource.com/node_${NODE_MAJOR}.x $(lsb_release -cs) main" | tee /etc/apt/source apt-get update && \ DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends nodejs RUN npm install -g yarn@$YARN_VERSION # Application dependencies # We use an external Aptfile for this, stay tuned COPY Aptfile /tmp/Aptfile RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \ --mount=type=cache,target=/var/lib/apt,sharing=locked \ --mount=type=tmpfs,target=/var/log \ apt-get update -qq && DEBIAN_FRONTEND=noninteractive apt-get -yq dist-upgrade && \ DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends \ $(grep -Ev '^\s*#' /tmp/Aptfile | xargs) # Configure bundler ENV LANG=C.UTF-8 \ BUNDLE_JOBS=4 \ BUNDLE_RETRY=3 # Store Bundler settings in the project's root ENV BUNDLE_APP_CONFIG=.bundle # Uncomment this line if you want to run binstubs without prefixing with `bin/` or `bundle exec` # ENV PATH /app/bin:$PATH # Upgrade RubyGems and install the latest Bundler version RUN gem update --system && \ gem install bundler # Create a directory for the app code RUN mkdir -p /app WORKDIR /app # Document that we're going to expose port 3000 EXPOSE 3000 # Use Bash as the default command CMD ["/bin/bash"] Ruby on Whales: Dockerfile