build(docker): install node by copying files from official image

docker/Dockerfile

@@ -1,12 +1,18 @@
 # syntax=docker/dockerfile:1
+FROM python:3.12-alpine AS buildkit
 # Instead of using Alpine base image and then installing Python from pkgs.al.o,
 # we'll go with the official images instead.
-FROM python:3.12-alpine AS buildkit
 
 # Since hadolint isn't in the package repos for Alpine yet, we'll copying from the offical
 # Docker image instead.
 COPY --from=ghcr.io/hadolint/hadolint:latest-alpine /bin/hadolint /usr/bin/hadolint
 
+# Copy build artifacts from official node image into here
+ENV YARN_VERSION 1.22.22
+COPY --from=node:20-alpine /opt/yarn-v$YARN_VERSION/bin/ /usr/local/bin/
+COPY --from=node:20-alpine /usr/local/bin/node /usr/local/bin/node
+COPY --from=node:20-alpine /usr/lib/node_modules/ /usr/lib/node_modules/
+
 ENV PACKAGES=/usr/local/lib/python3.11/site-packages PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.local/bin PYTHONDONTWRITEBYTECODE=1
 LABEL org.opencontainers.image.description="GitLab CI image for custom mkdocs-material Docker image, alongside tools @ajhalili2006 use."
 
@@ -26,9 +32,6 @@ RUN apk add --no-cache \
      gcc \
      libffi-dev \
      musl-dev \
-     nodejs \
-     npm \
-     yarn \
      git \
      git-email \
      git-lfs \