feat(chatops): add /command for build test pr in PR

.github/workflows/build-image-pr.yml

@@ -0,0 +1,74 @@
+name: Build a test image from a PR code
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  build-images:
+    if: >-
+      github.event.issue.pull_request &&
+      contains(github.event.comment.body, '/create-test-image') &&
+      contains(fromJSON('["OWNER", "COLLABORATOR"]'), github.event.comment.author_association)
+
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      pull-requests: write
+      packages: write
+
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f
+
+      - name: Get Pull Request Information
+        id: pr
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b
+        with:
+          script: |
+            const pr = await github.rest.pulls.get({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number
+            });
+
+            core.setOutput('sha', pr.data.head.sha);
+            core.setOutput('ref', pr.data.head.ref);
+
+      - name: Checkout PR commit
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262
+        with:
+          ref: ${{ steps.pr.outputs.sha }}
+
+      - name: Set lowercase image owner
+        id: vars
+        run: |
+          echo "owner=${GITHUB_REPOSITORY_OWNER,,}" >> $GITHUB_OUTPUT
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build & Push Docker image
+        run: |
+          SHA=$(echo "${{ steps.pr.outputs.sha }}" | cut -c1-7)
+          VERSION=pr-${{ github.event.issue.number }}-$SHA
+          OWNER=${{ steps.vars.outputs.owner }}
+
+          echo "Building image version: $VERSION"
+
+          docker buildx build \
+            --platform linux/amd64,linux/arm64 \
+            --file Dockerfile \
+            --target final \
+            --build-arg APP_VERSION=$VERSION \
+            --tag ghcr.io/$OWNER/leafwiki:$VERSION \
+            --annotation "index:org.opencontainers.image.title=LeafWiki" \
+            --annotation "index:org.opencontainers.image.description=LeafWiki – A fast wiki for people who think in folders, not feeds" \
+            --sbom=true \
+            --provenance=mode=max \
+            --push .

.github/workflows/cleanup-pr-image.yml

@@ -0,0 +1,99 @@
+name: Cleanup PR test images
+
+on:
+  pull_request_target:
+    types: [closed]
+
+  schedule:
+    - cron: "0 3 1 * *"
+
+permissions:
+  packages: write
+
+jobs:
+  cleanup-closed-pr:
+    if: github.event_name == 'pull_request_target'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete closed PR images
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b
+        with:
+          script: |
+            const owner = context.repo.owner;
+            const packageName = context.repo.repo.toLowerCase();
+            const prefix = `pr-${context.payload.pull_request.number}-`;
+
+            const versions = await github.paginate(
+              github.rest.packages.getAllPackageVersionsForPackageOwnedByUser,
+              {
+                username: owner,
+                package_type: "container",
+                package_name: packageName,
+                per_page: 100,
+              }
+            );
+
+            for (const version of versions) {
+              const tags = version.metadata?.container?.tags ?? [];
+
+              if (!tags.some(tag => tag.startsWith(prefix))) {
+                continue;
+              }
+
+              core.info(`Deleting image: ${tags.join(", ")}`);
+
+              await github.rest.packages.deletePackageVersionForUser({
+                username: owner,
+                package_type: "container",
+                package_name: packageName,
+                package_version_id: version.id,
+              });
+            }
+
+
+  cleanup-old-images:
+    if: github.event_name == 'schedule'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete old PR images
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b
+        with:
+          script: |
+            const owner = context.repo.owner;
+            const packageName = context.repo.repo.toLowerCase();
+            const retentionDays = 30;
+
+            const cutoff = new Date();
+            cutoff.setDate(cutoff.getDate() - retentionDays);
+
+            const versions = await github.paginate(
+              github.rest.packages.getAllPackageVersionsForPackageOwnedByUser,
+              {
+                username: owner,
+                package_type: "container",
+                package_name: packageName,
+                per_page: 100,
+              }
+            );
+
+            for (const version of versions) {
+              const tags = version.metadata?.container?.tags ?? [];
+
+              const isPrImage = tags.some(tag => tag.startsWith("pr-"));
+              const createdAt = new Date(version.created_at);
+
+              if (!isPrImage || createdAt > cutoff) {
+                continue;
+              }
+
+              core.info(`Deleting old image: ${tags.join(", ")}`);
+
+              await github.rest.packages.deletePackageVersionForUser({
+                username: owner,
+                package_type: "container",
+                package_name: packageName,
+                package_version_id: version.id,
+              });
+            }