Add push to ghcr for unstable branch

.github/workflows/test_and_deploy.yml

@@ -4,7 +4,7 @@ on: ["push"]
 jobs:
   test:
     runs-on: ubuntu-latest
-
+    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/unstable'
     steps:
       - uses: actions/checkout@v3
         with:
@@ -31,7 +31,7 @@ jobs:
       - name: Test with the Go CLI
         run: go test -exec sudo -v ./...
 
-  deploy:
+  deploy-dockerhub:
     runs-on: ubuntu-latest
     needs: test
     if: github.ref == 'refs/heads/main'
@@ -67,3 +67,50 @@ jobs:
           platforms: linux/amd64,linux/arm64
           tags: wagvpn/wag:latest
           push: true
+
+deploy-ghcr:
+  runs-on: ubuntu-latest
+  needs: test
+  if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/unstable'
+  strategy:
+    fail-fast: true
+    matrix:
+      platform:
+        - linux/amd64
+        - linux/arm64
+  steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        fetch-tags: true
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Generate Docker metadata
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ghcr.io/${{ github.repository }}
+        tags: |
+          type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
+          type=raw,value=unstable,enable=${{ github.ref == 'refs/heads/unstable' }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v5
+      with:
+        context: .
+        platforms: ${{ matrix.platform }}
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+        push: true