mastodon/streaming/Dockerfile

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# syntax=docker/dockerfile:1.10
# 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}
# Node version to use in base image, change with [--build-arg NODE_MAJOR_VERSION="20"]
# renovate: datasource=node-version depName=node
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 streaming
# Resulting version string is vX.X.X-MASTODON_VERSION_PRERELEASE+MASTODON_VERSION_METADATA
# Example: v4.3.0-nightly.2023.11.09+pr-123456
# Overwrite existence of 'alpha.X' 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="pr-123456"]
ARG MASTODON_VERSION_METADATA=""
# 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 timezone
TZ=${TZ}
ENV \
# Configure the IP to bind Mastodon to when serving traffic
BIND="0.0.0.0" \
# Explicitly set PORT to match the exposed port
PORT=4000 \
# Use production settings for Yarn, Node and related nodejs based tools
NODE_ENV="production" \
# Add Ruby and Mastodon installation to the PATH
DEBIAN_FRONTEND="noninteractive"
# 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 "${GID}" -m -d /opt/mastodon mastodon; \
# Creates symlink for /mastodon folder
ln -s /opt/mastodon /mastodon;
# hadolint ignore=DL3008,DL3005
RUN \
# Mount Apt cache and lib directories from Docker buildx caches
--mount=type=cache,id=apt-cache-${TARGETPLATFORM},target=/var/cache/apt,sharing=locked \
--mount=type=cache,id=apt-lib-${TARGETPLATFORM},target=/var/lib/apt,sharing=locked \
# Upgrade to check for security updates to Debian image
apt-get update; \
apt-get dist-upgrade -yq; \
apt-get install -y --no-install-recommends \
ca-certificates \
curl \
tzdata \
wget \
;
# Set /opt/mastodon as working directory
WORKDIR /opt/mastodon
# Copy Node package configuration files from build system to container
COPY package.json yarn.lock .yarnrc.yml /opt/mastodon/
COPY .yarn /opt/mastodon/.yarn
# Copy Streaming source code from build system to container
COPY ./streaming /opt/mastodon/streaming
RUN \
# Mount local Corepack and Yarn caches from Docker buildx caches
--mount=type=cache,id=corepack-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/corepack,sharing=locked \
--mount=type=cache,id=yarn-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/yarn,sharing=locked \
# Configure Corepack
rm /usr/local/bin/yarn*; \
corepack enable; \
corepack prepare --activate;
RUN \
# Mount Corepack and Yarn caches from Docker buildx caches
--mount=type=cache,id=corepack-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/corepack,sharing=locked \
--mount=type=cache,id=yarn-cache-${TARGETPLATFORM},target=/usr/local/share/.cache/yarn,sharing=locked \
# Install Node packages
yarn workspaces focus --production @mastodon/streaming;
# Set the running user for resulting container
USER mastodon
# Expose default Streaming ports
EXPOSE 4000
# Run streaming when started
CMD [ "node", "./streaming/index.js" ]