# syntax=docker/dockerfile:1.4 # Please see https://docs.docker.com/engine/reference/builder for information about # the extended buildx capabilities used in this file. # Make sure multiarch TARGETPLATFORM is available for interpolation # See: https://docs.docker.com/build/building/multi-platform/ ARG TARGETPLATFORM=${TARGETPLATFORM} ARG BUILDPLATFORM=${BUILDPLATFORM} # Ruby image to use for base image, change with [--build-arg RUBY_VERSION="3.2.3"] ARG RUBY_VERSION="3.2.3" # # Node version to use in base image, change with [--build-arg NODE_MAJOR_VERSION="20"] ARG NODE_MAJOR_VERSION="20" # Debian image to use for base image, change with [--build-arg DEBIAN_VERSION="bookworm"] ARG DEBIAN_VERSION="bookworm" # Node image to use for base image based on combined variables (ex: 20-bookworm-slim) FROM docker.io/node:${NODE_MAJOR_VERSION}-${DEBIAN_VERSION}-slim as node # Ruby image to use for base image based on combined variables (ex: 3.2.3-slim-bookworm) FROM docker.io/ruby:${RUBY_VERSION}-slim-${DEBIAN_VERSION} as ruby # Resulting version string is vX.X.X-MASTODON_VERSION_PRERELEASE+MASTODON_VERSION_METADATA # Example: v4.2.0-nightly.2023.11.09+something # Overwrite existence of 'alpha.0' in version.rb [--build-arg MASTODON_VERSION_PRERELEASE="nightly.2023.11.09"] ARG MASTODON_VERSION_PRERELEASE="" # Append build metadata or fork information to version.rb [--build-arg MASTODON_VERSION_METADATA="something"] ARG MASTODON_VERSION_METADATA="" # Allow Ruby on Rails to serve static files # See: https://docs.joinmastodon.org/admin/config/#rails_serve_static_files ARG RAILS_SERVE_STATIC_FILES="true" # Allow to use YJIT compiler # See: https://github.com/ruby/ruby/blob/v3_2_3/doc/yjit/yjit.md ARG RUBY_YJIT_ENABLE="1" # Timezone used by the Docker container and runtime, change with [--build-arg TZ=Europe/Berlin] ARG TZ="Etc/UTC" # Linux UID (user id) for the mastodon user, change with [--build-arg UID=1234] ARG UID="991" # Linux GID (group id) for the mastodon user, change with [--build-arg GID=1234] ARG GID="991" # Apply Mastodon build options based on options above ENV \ # Apply Mastodon version information MASTODON_VERSION_PRERELEASE="${MASTODON_VERSION_PRERELEASE}" \ MASTODON_VERSION_METADATA="${MASTODON_VERSION_METADATA}" \ # Apply Mastodon static files and YJIT options RAILS_SERVE_STATIC_FILES=${RAILS_SERVE_STATIC_FILES} \ RUBY_YJIT_ENABLE=${RUBY_YJIT_ENABLE} \ # Apply timezone TZ=${TZ} ENV \ # Configure the IP to bind Mastodon to when serving traffic BIND="0.0.0.0" \ # Use production settings for Yarn, Node and related nodejs based tools NODE_ENV="production" \ # Use production settings for Ruby on Rails RAILS_ENV="production" \ # Add Ruby and Mastodon installation to the PATH DEBIAN_FRONTEND="noninteractive" \ PATH="${PATH}:/opt/ruby/bin:/opt/mastodon/bin" \ # Optimize jemalloc 5.x performance MALLOC_CONF="narenas:2,background_thread:true,thp:never,dirty_decay_ms:1000,muzzy_decay_ms:0" # Set default shell used for running commands SHELL ["/bin/bash", "-o", "pipefail", "-o", "errexit", "-c"] ARG TARGETPLATFORM RUN echo "Target platform is $TARGETPLATFORM" RUN \ # Remove automatic apt cache Docker cleanup scripts rm -f /etc/apt/apt.conf.d/docker-clean; \ # Sets timezone echo "${TZ}" > /etc/localtime; \ # Creates mastodon user/group and sets home directory groupadd -g "${GID}" mastodon; \ useradd -l -u "${UID}" -g "${GID}" -m -d /opt/mastodon mastodon; \ # Creates /mastodon symlink to /opt/mastodon ln -s /opt/mastodon /mastodon; # Set /opt/mastodon as working directory WORKDIR /opt/mastodon # hadolint ignore=DL3008,DL3005 RUN \ # Mount Apt cache and lib directories from Docker buildx caches --mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \ --mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \ # Apt update & upgrade to check for security updates to Debian image apt-get update; \ apt-get dist-upgrade -yq; \ # Install jemalloc, curl and other necessary components apt-get install -y --no-install-recommends \ ca-certificates \ curl \ ffmpeg \ file \ imagemagick \ libjemalloc2 \ patchelf \ procps \ tini \ tzdata \ wget \ ; \ # Patch Ruby to use jemalloc patchelf --add-needed libjemalloc.so.2 /usr/local/bin/ruby; \ # Discard patchelf after use apt-get purge -y \ patchelf \ ; # Create temporary build layer from base image FROM ruby as build # Copy Node package configuration files into working directory COPY package.json yarn.lock .yarnrc.yml /opt/mastodon/ COPY .yarn /opt/mastodon/.yarn COPY --from=node /usr/local/bin /usr/local/bin COPY --from=node /usr/local/lib /usr/local/lib ARG TARGETPLATFORM # hadolint ignore=DL3008 RUN \ # Mount Apt cache and lib directories from Docker buildx caches --mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \ --mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \ # Install build tools and bundler dependencies from APT apt-get install -y --no-install-recommends \ g++ \ gcc \ git \ libgdbm-dev \ libgmp-dev \ libicu-dev \ libidn-dev \ libpq-dev \ libssl-dev \ make \ shared-mime-info \ zlib1g-dev \ ; RUN \ # Configure Corepack rm /usr/local/bin/yarn*; \ corepack enable; \ corepack prepare --activate; # Create temporary bundler specific build layer from build layer FROM build as bundler ARG TARGETPLATFORM # Copy Gemfile config into working directory COPY Gemfile* /opt/mastodon/ RUN \ # Mount Ruby Gem caches --mount=type=cache,id=gem-cache-${TARGETPLATFORM},target=/usr/local/bundle/cache/,sharing=locked \ # Configure bundle to prevent changes to Gemfile and Gemfile.lock bundle config set --global frozen "true"; \ # Configure bundle to not cache downloaded Gems bundle config set --global cache_all "false"; \ # Configure bundle to only process production Gems bundle config set --local without "development test"; \ # Configure bundle to not warn about root user bundle config set silence_root_warning "true"; \ # Download and install required Gems bundle install -j"$(nproc)"; # Create temporary node specific build layer from build layer FROM build as yarn ARG TARGETPLATFORM # Copy Node package configuration files into working directory COPY package.json yarn.lock .yarnrc.yml /opt/mastodon/ COPY streaming/package.json /opt/mastodon/streaming/ COPY .yarn /opt/mastodon/.yarn # hadolint ignore=DL3008 RUN \ --mount=type=cache,id=corepack-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/corepack,sharing=locked \ --mount=type=cache,id=yarn-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/yarn,sharing=locked \ # Install Node packages yarn workspaces focus --production @mastodon/mastodon; # Create temporary assets build layer from build layer FROM build as precompiler # Copy Mastodon sources into precompiler layer COPY . /opt/mastodon/ # Copy bundler and node packages from build layer to container COPY --from=yarn /opt/mastodon /opt/mastodon/ COPY --from=bundler /opt/mastodon /opt/mastodon/ COPY --from=bundler /usr/local/bundle/ /usr/local/bundle/ ARG TARGETPLATFORM RUN \ # Use Ruby on Rails to create Mastodon assets OTP_SECRET=precompile_placeholder SECRET_KEY_BASE=precompile_placeholder bundle exec rails assets:precompile; \ # Cleanup temporary files rm -fr /opt/mastodon/tmp; # Prep final Mastodon Ruby layer FROM ruby as mastodon ARG TARGETPLATFORM # hadolint ignore=DL3008 RUN \ # Mount Apt cache and lib directories from Docker buildx caches --mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \ --mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \ # Mount Corepack and Yarn caches from Docker buildx caches --mount=type=cache,id=corepack-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/corepack,sharing=locked \ --mount=type=cache,id=yarn-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/yarn,sharing=locked \ # Apt update install non-dev versions of necessary components apt-get install -y --no-install-recommends \ libssl3 \ libpq5 \ libicu72 \ libidn12 \ libreadline8 \ libyaml-0-2 \ ; # Copy Mastodon sources into final layer COPY . /opt/mastodon/ # Copy compiled assets to layer COPY --from=precompiler /opt/mastodon/public/packs /opt/mastodon/public/packs COPY --from=precompiler /opt/mastodon/public/assets /opt/mastodon/public/assets # Copy bundler components to layer COPY --from=bundler /usr/local/bundle/ /usr/local/bundle/ RUN \ # Precompile bootsnap code for faster Rails startup bundle exec bootsnap precompile --gemfile app/ lib/; RUN \ # Pre-create and chown system volume to Mastodon user mkdir -p /opt/mastodon/public/system; \ chown mastodon:mastodon /opt/mastodon/public/system; \ # Set Mastodon user as owner of tmp folder chown -R mastodon:mastodon /opt/mastodon/tmp; # Set the running user for resulting container USER mastodon # Expose default Puma ports EXPOSE 3000 # Set container tini as default entry point ENTRYPOINT ["/usr/bin/tini", "--"]