th: quieter yarn please

yarn cache logs make woodpecker webui lag. this is not ideal.

.yarnrc.yml

@@ -3,3 +3,7 @@ enableGlobalCache: true
 nodeLinker: node-modules
 
 yarnPath: .yarn/releases/yarn-3.4.1.cjs
+
+logFilters:
+  - code: YN0013
+    level: ${YARN_NOISE_LOG_CODE_LEVEL:-info}

Dockerfile

@@ -4,76 +4,100 @@ ARG NODE_IMAGE=node:18.16-bullseye-slim
 ARG RUBY_IMAGE=ghcr.io/moritzheiber/ruby-jemalloc:3.2.2-slim
 
 FROM ${RUBY_IMAGE} as ruby
+
+# build-base
 FROM ${NODE_IMAGE} as build-base
 
 COPY --link --from=ruby /opt/ruby /opt/ruby
 
 ENV DEBIAN_FRONTEND="noninteractive" \
-    PATH="${PATH}:/opt/ruby/bin" \
-    NODE_OPTIONS=--openssl-legacy-provider
+    PATH="${PATH}:/opt/ruby/bin"
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 WORKDIR /opt/mastodon
 
 # hadolint ignore=DL3008
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends build-essential \
+RUN --mount=type=cache,id=apt,target=/var/cache/apt,sharing=private \
+    set -eux && \
+    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 && \
+    apt-get install -y --no-install-recommends \
+        build-essential \
         ca-certificates \
         git \
-        libicu-dev \
-        libidn11-dev \
-        libpq-dev \
-        libjemalloc-dev \
-        zlib1g-dev \
         libgdbm-dev \
         libgmp-dev \
+        libicu-dev \
+        libidn11-dev \
+        libjemalloc-dev \
+        libpq-dev \
+        libreadline8 \
         libssl-dev \
         libyaml-0-2 \
-        ca-certificates \
-        libreadline8 \
         python3 \
-        shared-mime-info
+        shared-mime-info \
+        zlib1g-dev
 
 COPY --link .yarn/releases/ /opt/mastodon/.yarn/releases/
 COPY --link Gemfile* package.json yarn.lock .yarnrc.yml /opt/mastodon/
 
-RUN \
+ENV NODE_OPTIONS=--openssl-legacy-provider \
+    YARN_GLOBAL_FOLDER=/opt/yarn \
+    YARN_ENABLE_GLOBAL_CACHE=1
+
+RUN --mount=type=cache,id=bundle,target=/opt/bundle/cache,sharing=private \
+    --mount=type=cache,id=yarn,target=/opt/yarn/cache,sharing=private \
+    set -eux && \
+    bundle config set cache_path /opt/bundle/cache && \
+    bundle config set silence_root_warning 'true' && \
+    bundle cache --no-install && \
     bundle config set --local deployment 'true' && \
-    bundle config set --local without 'development test' && \
-    bundle config set silence_root_warning true && \
-    bundle install -j"$(nproc)" && \
-    yarn install && \
-    yarn cache clean
+    bundle install --local -j"$(nproc)" && \
+    yarn install --immutable
 
 # Precompile assets
 # TODO(kouhai): we're currently patching node_modules because of emoji-mart.
 # we should integrate our own fork instead.
 COPY --link . /opt/mastodon
 
+# build
 FROM build-base AS build
 
 ENV RAILS_ENV="production" \
     NODE_ENV="production"
 
+ENV NODE_OPTIONS=--openssl-legacy-provider \
+    YARN_GLOBAL_FOLDER=/opt/yarn \
+    YARN_ENABLE_GLOBAL_CACHE=1
+
 ENV OTP_SECRET=precompile_placeholder \
     SECRET_KEY_BASE=precompile_placeholder \
     RAKE_NO_YARN_INSTALL_HACK=1
-RUN mv ./emoji_data/all.json ./node_modules/emoji-mart/data/all.json && yarn install && \
+
+ENV BOOTSNAP_CACHE_DIR=/opt/mastodon/bootsnap
+
+RUN --mount=type=cache,id=yarn,target=/opt/yarn/cache,sharing=private \
+    --mount=type=cache,id=webpacker,target=/opt/webpacker/cache,sharing=private \
+    set -eux && \
+    mkdir -p tmp/cache && \
+    ln -sf /opt/webpacker/cache tmp/cache/webpacker && \
+    mv ./emoji_data/all.json ./node_modules/emoji-mart/data/all.json && \
+    yarn install && \
     bundle exec rails assets:precompile
 
-
-FROM ${NODE_IMAGE}
+# final image
+FROM ${NODE_IMAGE} as output
 
 # Use those args to specify your own version flags & suffixes
+ARG SOURCE_TAG=""
 ARG MASTODON_VERSION_FLAGS=""
 ARG MASTODON_VERSION_SUFFIX=""
 
 ARG UID="991"
 ARG GID="991"
 
-COPY --link --from=ruby /opt/ruby /opt/ruby
-
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 ENV DEBIAN_FRONTEND="noninteractive" \
@@ -81,34 +105,39 @@ ENV DEBIAN_FRONTEND="noninteractive" \
 
 # Ignoring these here since we don't want to pin any versions and the Debian image removes apt-get content after use
 # hadolint ignore=DL3008,DL3009
-RUN apt-get update && \
+RUN --mount=type=cache,id=apt,target=/var/cache/apt,sharing=private \
+    set -eux && \
+    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 && \
     echo "Etc/UTC" > /etc/localtime && \
     groupadd -g "${GID}" mastodon && \
     useradd -l -u "$UID" -g "${GID}" -m -d /opt/mastodon mastodon && \
-    apt-get -y --no-install-recommends install whois \
-        wget \
-        procps \
-        libssl1.1 \
-        libpq5 \
-        imagemagick \
+    apt-get -y --no-install-recommends install \
+        ca-certificates \
         ffmpeg \
-        libjemalloc2 \
+        file \
+        imagemagick \
         libicu67 \
         libidn11 \
-        libyaml-0-2 \
-        file \
-        ca-certificates \
-        tzdata \
+        libjemalloc2 \
+        libpq5 \
         libreadline8 \
-        tini && \
-    ln -s /opt/mastodon /mastodon
+        libssl1.1 \
+        libyaml-0-2 \
+        procps \
+        tini \
+        tzdata \
+        wget \
+        whois \
+    && ln -s /opt/mastodon /mastodon
 
 # Note: no, cleaning here since Debian does this automatically
 # See the file /etc/apt/apt.conf.d/docker-clean within the Docker image's filesystem
 
+COPY --link --from=ruby /opt/ruby /opt/ruby
 COPY --link --chown=mastodon:mastodon --from=build /opt/mastodon /opt/mastodon
 
-ARG SOURCE_TAG=''
 ENV RAILS_ENV="production" \
     NODE_ENV="production" \
     RAILS_SERVE_STATIC_FILES="true" \
@@ -117,6 +146,11 @@ ENV RAILS_ENV="production" \
     MASTODON_VERSION_FLAGS="${MASTODON_VERSION_FLAGS}" \
     MASTODON_VERSION_SUFFIX="${MASTODON_VERSION_SUFFIX}"
 
+ENV BOOTSNAP_CACHE_DIR=/opt/mastodon/bootsnap
+
+# override this at will
+ENV BOOTSNAP_READONLY=1
+
 # Set the run user
 USER mastodon
 WORKDIR /opt/mastodon