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@@ -1,20 +1,182 @@
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# syntax=docker/dockerfile:1.4
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-# This needs to be bookworm-slim because the Ruby image is built on bookworm-slim
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-ARG NODE_VERSION="20.9-bookworm-slim"
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-FROM ghcr.io/moritzheiber/ruby-jemalloc:3.2.2-slim as ruby
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-FROM node:${NODE_VERSION} as build
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+# Please see https://docs.docker.com/engine/reference/builder for information about
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+# the extended buildx capabilities used in this file.
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+# Make sure multiarch TARGETPLATFORM is available for interpolation
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+# See: https://docs.docker.com/build/building/multi-platform/
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+ARG TARGETPLATFORM=${TARGETPLATFORM}
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+ARG BUILDPLATFORM=${BUILDPLATFORM}
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-COPY --link --from=ruby /opt/ruby /opt/ruby
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+# Ruby image to use for base image, change with [--build-arg RUBY_VERSION="3.2.2"]
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+ARG RUBY_VERSION="3.2.2"
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+# # Node version to use in base image, change with [--build-arg NODE_MAJOR_VERSION="20"]
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+ARG NODE_MAJOR_VERSION="20"
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+# Debian image to use for base image, change with [--build-arg DEBIAN_VERSION="bookworm"]
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+ARG DEBIAN_VERSION="bookworm"
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+# Node image to use for base image based on combined variables (ex: 20-bookworm-slim)
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+FROM docker.io/node:${NODE_MAJOR_VERSION}-${DEBIAN_VERSION}-slim as node
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+# Ruby image to use for base image based on combined variables (ex: 3.2.2-slim-bookworm)
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+FROM docker.io/ruby:${RUBY_VERSION}-slim-${DEBIAN_VERSION} as ruby
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-ENV DEBIAN_FRONTEND="noninteractive" \
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- PATH="${PATH}:/opt/ruby/bin"
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+# Resulting version string is vX.X.X-MASTODON_VERSION_PRERELEASE+MASTODON_VERSION_METADATA
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+# Example: v4.2.0-nightly.2023.11.09+something
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+# Overwrite existance of 'alpha.0' in version.rb [--build-arg MASTODON_VERSION_PRERELEASE="nightly.2023.11.09"]
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+ARG MASTODON_VERSION_PRERELEASE=""
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+# Append build metadata or fork information to version.rb [--build-arg MASTODON_VERSION_METADATA="something"]
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+ARG MASTODON_VERSION_METADATA=""
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+
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+# Allow Ruby on Rails to serve static files
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+# See: https://docs.joinmastodon.org/admin/config/#rails_serve_static_files
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+ARG RAILS_SERVE_STATIC_FILES="true"
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+# Allow to use YJIT compiler
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+# See: https://github.com/ruby/ruby/blob/master/doc/yjit/yjit.md
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+ARG RUBY_YJIT_ENABLE="1"
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+# Timezone used by the Docker container and runtime, change with [--build-arg TZ=Europe/Berlin]
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+ARG TZ="Etc/UTC"
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+# Linux UID (user id) for the mastodon user, change with [--build-arg UID=1234]
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+ARG UID="991"
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+# Linux GID (group id) for the mastodon user, change with [--build-arg GID=1234]
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+ARG GID="991"
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+
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+# Apply Mastodon build options based on options above
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+ENV \
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+# Apply Mastodon version information
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+ MASTODON_VERSION_PRERELEASE="${MASTODON_VERSION_PRERELEASE}" \
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+ MASTODON_VERSION_METADATA="${MASTODON_VERSION_METADATA}" \
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+# Apply Mastodon static files and YJIT options
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+ RAILS_SERVE_STATIC_FILES=${RAILS_SERVE_STATIC_FILES} \
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+ RUBY_YJIT_ENABLE=${RUBY_YJIT_ENABLE} \
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+# Apply timezone
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+ TZ=${TZ}
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+
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+ENV \
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+# Configure the IP to bind Mastodon to when serving traffic
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+ BIND="0.0.0.0" \
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+# Use production settings for Yarn, Node and related nodejs based tools
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+ NODE_ENV="production" \
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+# Use production settings for Ruby on Rails
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+ RAILS_ENV="production" \
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+# Add Ruby and Mastodon installation to the PATH
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+ DEBIAN_FRONTEND="noninteractive" \
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+ PATH="${PATH}:/opt/ruby/bin:/opt/mastodon/bin" \
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+# Optimize jemalloc 5.x performance
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+ MALLOC_CONF="narenas:2,background_thread:true,thp:never,dirty_decay_ms:1000,muzzy_decay_ms:0"
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+
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+# Set default shell used for running commands
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+SHELL ["/bin/bash", "-o", "pipefail", "-o", "errexit", "-c"]
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+
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+ARG TARGETPLATFORM
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+
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+RUN echo "Target platform is $TARGETPLATFORM"
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-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
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+RUN \
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+# Sets timezone
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+ echo "${TZ}" > /etc/localtime; \
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+# Creates mastodon user/group and sets home directory
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+ groupadd -g "${GID}" mastodon; \
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+ useradd -l -u "${UID}" -g "${GID}" -m -d /opt/mastodon mastodon; \
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+# Creates /mastodon symlink to /opt/mastodon
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+ ln -s /opt/mastodon /mastodon;
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+# Set /opt/mastodon as working directory
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WORKDIR /opt/mastodon
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+# hadolint ignore=DL3008,DL3005
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+RUN \
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+# Mount Apt cache and lib directories from Docker buildx caches
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+--mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \
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+--mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \
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+# Apt update & upgrade to check for security updates to Debian image
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+ apt-get update; \
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+ apt-get dist-upgrade -yq; \
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+# Install jemalloc, curl and other necessary components
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+ apt-get install -y --no-install-recommends \
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+ ca-certificates \
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+ curl \
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+ ffmpeg \
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+ file \
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+ imagemagick \
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+ libjemalloc2 \
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+ patchelf \
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+ procps \
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+ tini \
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+ tzdata \
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+ ; \
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+# Patch Ruby to use jemalloc
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+ patchelf --add-needed libjemalloc.so.2 /usr/local/bin/ruby; \
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+# Discard patchelf after use
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+ apt-get purge -y \
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+ patchelf \
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+ ;
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+
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+# Create temporary build layer from base image
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+FROM ruby as build
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+
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+# Copy Node package configuration files into working directory
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+COPY package.json yarn.lock .yarnrc.yml /opt/mastodon/
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+COPY .yarn /opt/mastodon/.yarn
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+
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+COPY --from=node /usr/local/bin /usr/local/bin
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+COPY --from=node /usr/local/lib /usr/local/lib
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+
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+ARG TARGETPLATFORM
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+
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# hadolint ignore=DL3008
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+RUN \
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+# Mount Apt cache and lib directories from Docker buildx caches
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+--mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \
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+--mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \
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+# Install build tools and bundler dependencies from APT
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+ apt-get update; \
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+ apt-get install -y --no-install-recommends \
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+ g++ \
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+ gcc \
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+ git \
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+ libgdbm-dev \
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+ libgmp-dev \
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+ libicu-dev \
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+ libidn-dev \
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+ libpq-dev \
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+ libssl-dev \
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+ make \
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+ shared-mime-info \
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+ zlib1g-dev \
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+ ;
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+
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+RUN \
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+# Configure Corepack
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+ rm /usr/local/bin/yarn*; \
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+ corepack enable; \
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+ corepack prepare --activate;
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+
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+# Create temporary bundler specific build layer from build layer
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+FROM build as bundler
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+
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+ARG TARGETPLATFORM
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+
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+# Copy Gemfile config into working directory
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+COPY Gemfile* /opt/mastodon/
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+
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+RUN \
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+# Mount Ruby Gem caches
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+--mount=type=cache,id=gem-cache-${TARGETPLATFORM},target=/usr/local/bundle/cache/,sharing=locked \
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+# Configure bundle to prevent changes to Gemfile and Gemfile.lock
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+ bundle config set --global frozen "true"; \
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+# Configure bundle to not cache downloaded Gems
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+ bundle config set --global cache_all "false"; \
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+# Configure bundle to only process production Gems
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+ bundle config set --local without "development test"; \
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+# Configure bundle to not warn about root user
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+ bundle config set silence_root_warning "true"; \
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+# Download and install required Gems
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+ bundle install -j"$(nproc)";
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+
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+# Create temporary node specific build layer from build layer
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+FROM build as yarn
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+
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+ARG TARGETPLATFORM
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+
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+# Copy Node package configuration files into working directory
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RUN apt-get update && \
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apt-get -yq dist-upgrade && \
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apt-get install -y --no-install-recommends build-essential \
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@@ -41,72 +203,77 @@ COPY Gemfile* package.json yarn.lock .yarnrc.yml /opt/mastodon/
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COPY streaming/package.json /opt/mastodon/streaming/
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COPY .yarn /opt/mastodon/.yarn
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-RUN bundle install -j"$(nproc)"
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+# hadolint ignore=DL3008
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+RUN \
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+--mount=type=cache,id=corepack-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/corepack,sharing=locked \
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+--mount=type=cache,id=yarn-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/yarn,sharing=locked \
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+# Install Node packages
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+ yarn workspaces focus --production @mastodon/mastodon;
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-RUN yarn workspaces focus --all --production && \
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- yarn cache clean
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+# Create temporary assets build layer from build layer
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+FROM build as precompiler
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-FROM node:${NODE_VERSION}
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+# Copy Mastodon sources into precompiler layer
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+COPY . /opt/mastodon/
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-# Use those args to specify your own version flags & suffixes
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-ARG MASTODON_VERSION_PRERELEASE=""
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-ARG MASTODON_VERSION_METADATA=""
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+# Copy bundler and node packages from build layer to container
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+COPY --from=yarn /opt/mastodon /opt/mastodon/
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+COPY --from=bundler /opt/mastodon /opt/mastodon/
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+COPY --from=bundler /usr/local/bundle/ /usr/local/bundle/
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-ARG UID="991"
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-ARG GID="991"
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+ARG TARGETPLATFORM
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-COPY --link --from=ruby /opt/ruby /opt/ruby
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+RUN \
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+# Use Ruby on Rails to create Mastodon assets
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+ OTP_SECRET=precompile_placeholder SECRET_KEY_BASE=precompile_placeholder bundle exec rails assets:precompile; \
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+# Cleanup temporary files
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+ rm -fr /opt/mastodon/tmp;
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-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
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+# Prep final Mastodon Ruby layer
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+FROM ruby as mastodon
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-ENV DEBIAN_FRONTEND="noninteractive" \
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- PATH="${PATH}:/opt/ruby/bin:/opt/mastodon/bin"
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+ARG TARGETPLATFORM
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-# Ignoring these here since we don't want to pin any versions and the Debian image removes apt-get content after use
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-# hadolint ignore=DL3008,DL3009
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-RUN apt-get update && \
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- echo "Etc/UTC" > /etc/localtime && \
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- groupadd -g "${GID}" mastodon && \
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- useradd -l -u "$UID" -g "${GID}" -m -d /opt/mastodon mastodon && \
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- apt-get -y --no-install-recommends install whois \
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- wget \
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- procps \
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- libssl3 \
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- libpq5 \
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- imagemagick \
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- ffmpeg \
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- libjemalloc2 \
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- libicu72 \
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- libidn12 \
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- libyaml-0-2 \
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- file \
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- ca-certificates \
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- tzdata \
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- libreadline8 \
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- tini && \
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- ln -s /opt/mastodon /mastodon && \
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- corepack enable
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-
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-# Note: no, cleaning here since Debian does this automatically
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-# See the file /etc/apt/apt.conf.d/docker-clean within the Docker image's filesystem
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+# hadolint ignore=DL3008
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+RUN \
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+# Mount Apt cache and lib directories from Docker buildx caches
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+--mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \
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+--mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \
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+# Mount Corepack and Yarn caches from Docker buildx caches
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+--mount=type=cache,id=corepack-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/corepack,sharing=locked \
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+--mount=type=cache,id=yarn-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/yarn,sharing=locked \
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+# Apt update install non-dev versions of necessary components
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+ apt-get update; \
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+ apt-get install -y --no-install-recommends \
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+ libssl3 \
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+ libpq5 \
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+ libicu72 \
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+ libidn12 \
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+ libreadline8 \
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+ libyaml-0-2 \
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+ ;
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-COPY --chown=mastodon:mastodon . /opt/mastodon
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-COPY --chown=mastodon:mastodon --from=build /opt/mastodon /opt/mastodon
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+# Copy Mastodon sources into final layer
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+COPY . /opt/mastodon/
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-ENV RAILS_ENV="production" \
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- NODE_ENV="production" \
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- RAILS_SERVE_STATIC_FILES="true" \
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- BIND="0.0.0.0" \
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- MASTODON_VERSION_PRERELEASE="${MASTODON_VERSION_PRERELEASE}" \
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- MASTODON_VERSION_METADATA="${MASTODON_VERSION_METADATA}"
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+# Copy compiled assets to layer
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+COPY --from=precompiler /opt/mastodon/public/packs /opt/mastodon/public/packs
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+COPY --from=precompiler /opt/mastodon/public/assets /opt/mastodon/public/assets
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+# Copy bundler components to layer
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+COPY --from=bundler /usr/local/bundle/ /usr/local/bundle/
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-# Set the run user
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-USER mastodon
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-WORKDIR /opt/mastodon
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+RUN \
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+# Precompile bootsnap code for faster Rails startup
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+ bundle exec bootsnap precompile --gemfile app/ lib/;
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-# Precompile assets
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-RUN OTP_SECRET=precompile_placeholder SECRET_KEY_BASE=precompile_placeholder rails assets:precompile
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+RUN \
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+# Pre-create and chown system volume to Mastodon user
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+ mkdir -p /opt/mastodon/public/system; \
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+ chown mastodon:mastodon /opt/mastodon/public/system;
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-# Set the work dir and the container entry point
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-ENTRYPOINT ["/usr/bin/tini", "--"]
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-EXPOSE 3000 4000
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+# Set the running user for resulting container
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+USER mastodon
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+# Expose default Puma ports
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+EXPOSE 3000
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+# Set container tini as default entry point
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+ENTRYPOINT ["/usr/bin/tini", "--"]
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Michael Stanclift