Merge branch 'axil-docker-base-back-from-the-dead' into 'main'

Bring back the base Docker image

See merge request https://gitlab.com/gitlab-org/gitlab-docs/-/merge_requests/3368

Merged-by: Marcel Amirault <mamirault@gitlab.com>
Approved-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Achilleas Pipinellis <axil@gitlab.com>

2 files changed, 84 insertions, 0 deletions

diff --git a/.gitlab/ci/docker-images.gitlab-ci.yml b/.gitlab/ci/docker-images.gitlab-ci.yml
index 95edeb75..643b98b1 100644
--- a/.gitlab/ci/docker-images.gitlab-ci.yml
+++ b/.gitlab/ci/docker-images.gitlab-ci.yml
@@ -20,6 +20,49 @@
     DOCKER_TLS_CERTDIR: "/certs"
 
 #
+# Build and deploy the GitLab Docs base Docker image
+#
+image:gitlab-docs-base:
+  extends:
+    - .rules_scheduled_manual
+    - .docker_prepare
+  stage: build-images
+  variables:
+    IMAGE_NAME: $CI_REGISTRY_IMAGE/base:alpine-$ALPINE_VERSION-ruby-$RUBY_VERSION-$CI_COMMIT_SHORT_SHA
+    DOCKERFILE: dockerfiles/gitlab-docs-base.Dockerfile
+  script:
+    - docker build
+             --build-arg ALPINE_VERSION=${ALPINE_VERSION}
+             --build-arg RUBY_VERSION=${RUBY_VERSION}
+             --tag $IMAGE_NAME
+             --file $DOCKERFILE .
+    - docker push $IMAGE_NAME
+  environment:
+    name: registry/docs-base
+
+#
+# Test the GitLab docs base Docker image if changes are made to its Dockerfile
+#
+test:image:gitlab-docs-base:
+  extends:
+    - .docker_prepare
+  stage: test
+  needs: []
+  variables:
+    IMAGE_NAME: $CI_REGISTRY_IMAGE/base:alpine-$ALPINE_VERSION-ruby-$RUBY_VERSION-$CI_COMMIT_SHORT_SHA
+    DOCKERFILE: dockerfiles/gitlab-docs-base.Dockerfile
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      changes:
+        - $DOCKERFILE
+  script:
+    - docker build
+             --build-arg ALPINE_VERSION=${ALPINE_VERSION}
+             --build-arg RUBY_VERSION=${RUBY_VERSION}
+             --tag $IMAGE_NAME
+             --file $DOCKERFILE .
+
+#
 # Build and deploy the GitLab Docs linting (Markdown) Docker image
 #
 image:docs-lint-markdown:
diff --git a/dockerfiles/gitlab-docs-base.Dockerfile b/dockerfiles/gitlab-docs-base.Dockerfile
new file mode 100644
index 00000000..d9ea119d
--- /dev/null
+++ b/dockerfiles/gitlab-docs-base.Dockerfile
@@ -0,0 +1,41 @@
+#
+# Base image for other Docker images
+# Includes all system dependencies to build the GitLab Docs site
+#
+# RUBY_VERSION and ALPINE_VERSION are defined in ../.gitlab-ci.yml
+ARG RUBY_VERSION
+ARG ALPINE_VERSION
+
+FROM ruby:${RUBY_VERSION}-alpine${ALPINE_VERSION}
+
+# Install dependencies
+RUN printf "\n\e[32mINFO: Installing dependencies..\e[39m\n" && apk add --no-cache -U \
+    bash        \
+    build-base  \
+    curl        \
+    gcompat     \
+    git         \
+    gnupg       \
+    grep        \
+    gzip        \
+    jq          \
+    libcurl     \
+    libxslt     \
+    libxslt-dev \
+    minify      \
+    nodejs      \
+    openssl     \
+    pngquant    \
+    ruby-dev    \
+    tar         \
+    xz          \
+    xz-dev      \
+    yarn        \
+    && echo 'gem: --no-document' >> /etc/gemrc \
+    && gem update --silent --system \
+    && printf "\n\e[32mINFO: Dependency versions:\e[39m\n" \
+    && echo "Ruby: $(ruby --version)" \
+    && echo "RubyGems: $(gem --version)" \
+    && echo "Node.js: $(node --version)" \
+    && echo "Yarn: $(yarn --version)" \
+    && printf "\n"