Push image to GHCR

.github/workflows/ci.yml

@@ -3,6 +3,8 @@ on:
     push:
         branches:
             - main
+        tags:
+            - "v*"
 
 jobs:
     test:
@@ -27,3 +29,46 @@ jobs:
 
             - name: Run tests
               run: pnpm test
+
+    push:
+        needs: test
+        runs-on: ubuntu-latest
+        permissions:
+            packages: write
+            contents: read
+        env:
+            IMAGE_NAME: cmioc
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Set up Docker Buildx
+              id: setup_buildx
+              uses: docker/setup-buildx-action@v3
+
+            - name: Extract metadata from Git refs and GitHub events
+              id: extract_metadata
+              uses: docker/metadata-action@v5
+              with:
+                  images: |
+                      ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+                  tags: |
+                      type=semver,pattern={{version}}
+                      type=ref,event=branch
+
+            - name: Login to GitHub Container Registry
+              uses: docker/login-action@v3
+              with:
+                  registry: ghcr.io
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            - name: Build machine image and push it to GitHub Container Registry
+              uses: docker/build-push-action@v6
+              with:
+                  context: .
+                  push: true
+                  builder: ${{ steps.setup_buildx.outputs.name }}
+                  tags: ${{ steps.extract_metadata.outputs.tags }}
+                  labels: ${{ steps.extract_metadata.lables.labels }}
+                  cache-from: type=gha,scope=ubuntu
+                  cache-to: type=gha,mode=max,scope=ubuntu