Add chrome and solr images with build system

We create a build system that automatically builds our images in
different versions so that we can easily use them in our CI and update
when needed. We create a workflow per image so that we only rebuild the
image that's actually been updated.

The images we add is a copy of `kingdutch/social-docker-chrome` as it's
currently being used as well as a new SOLR image which matches what we
use in our development docker-compose but is needed for the CI to be
able to use SOLR as we can't change the entrypoint from the GitHub
workflow configuration.

.github/workflows/build-chrome.yml

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+name: Tag and release Chrome image
+
+on:
+  push:
+    paths:
+      - "chrome/**"
+    branches:
+      - 'main'
+
+env:
+  SUBDIRECTORY: chrome
+  REGISTRY: ghcr.io
+  IMAGE_NAME: goalgorilla/ci-chrome
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        version:
+          - 102
+          - 108
+          - 112
+          - latest
+
+    # There should be no need to edit below this line.
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v4
+        with:
+          build-args:
+            - VERSION=${{ matrix.version }}
+          context: "{{defaultContext}}:${{ env.SUBDIRECTORY }}"
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.version }}
+      -
+        name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/build-solr.yml

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+name: Tag and release Solr image
+
+on:
+  push:
+    paths:
+      - "solr/**"
+    branches:
+      - 'main'
+
+env:
+  SUBDIRECTORY: solr
+  REGISTRY: ghcr.io
+  IMAGE_NAME: goalgorilla/ci-solr
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        version:
+          - "8.11"
+          - "9"
+          - latest
+
+    # There should be no need to edit below this line.
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v4
+        with:
+          build-args:
+            - VERSION=${{ matrix.version }}
+          context: "{{defaultContext}}:${{ env.SUBDIRECTORY }}"
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ matrix.version }}
+      -
+        name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

README.md

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+# CI Images
+
+This repository contains images that are used in our CI processes.
+For example to change the entry point for Chrome or SOLR.
+
+This repository does not include output docker images such as those containing product or project
+code.

chrome/Dockerfile

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+ARG VERSION=latest
+
+FROM zenika/alpine-chrome:$VERSION
+
+# Disables GPU hardware acceleration. If software renderer is not in place, then the GPU process won't launch.
+# Disables the sandbox for all process types that are normally sandboxed. Meant to be used as a browser-level switch for testing purposes only.
+# Enables remote debug over HTTP on the specified port.
+# Enables remote debug over HTTP on the specified port.
+CMD ["--disable-gpu", "--no-sandbox", "--remote-debugging-address=0.0.0.0", "-remote-debugging-port=9222"]

solr/Dockerfile

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+ARG VERSION=latest
+
+FROM solr:$VERSION
+
+ENTRYPOINT ["solr-precreate", "drupal", "/solr-conf"]