feat: Build images for forks (#108)

Signed-off-by: Mriyam Tamuli <[email protected]>

.github/dependabot.yml

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+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/images-build-and-push.yaml

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+name: Create and publish the container image.
+
+on:
+  push:
+    branches:
+    tags:
+
+env:
+  BASE_REPOSITORY: warmmetal/csi-driver-image
+  BASE_DEFAULT_BRANCH: master
+  BASE_IMAGE_NAME: warmmetal/csi-image
+  FORK_IMAGE_NAME: ghcr.io/${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        if: github.repository == env.BASE_REPOSITORY
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Log in to the GitHub Container registry
+        uses: docker/login-action@v3
+        if: github.repository != env.BASE_REPOSITORY
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            name=${{ env.BASE_IMAGE_NAME }},enable=${{ github.repository == env.BASE_REPOSITORY }}
+            name=${{ env.FORK_IMAGE_NAME }},enable=${{ github.repository != env.BASE_REPOSITORY }}
+          tags: |
+            # set 'latest' tag for default branch
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', env.BASE_DEFAULT_BRANCH) }}
+            # set image tag based on GitHub release tag
+            type=semver,pattern={{version}},prefix=v
+            # set the image tag based on the branch
+            # https://github.com/docker/metadata-action/issues/247#issuecomment-1511259674
+            type=ref,event=branch,enable=${{ github.ref_name != env.BASE_DEFAULT_BRANCH }}
+          flavor: |
+            latest=false
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/images-cleanup.yaml

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+name: Delete old container images
+
+on:
+  schedule:
+    - cron: "0 0 * * *"  # Source: https://crontab.guru/every-day
+
+permissions:
+  packages: write
+
+env:
+  BASE_REPOSITORY: warmmetal/csi-driver-image
+
+jobs:
+  clean-ghcr:
+    name: Delete old unused container images
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/delete-package-versions@v4
+        if: github.repository != env.BASE_REPOSITORY
+        with:
+          owner: ${{ github.repository_owner }}
+          package-name: ${{ github.event.repository.name }}
+          package-type: 'container'
+          min-versions-to-keep: 1
+          # https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string
+          # Ignore any semver or 'latest'
+          ignore-versions: '^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?|latest$'