fix workflow

.github/workflows/build.yml

@@ -1,30 +1,46 @@
+name: Docker Build and Push
+
 on:
-  push:
-    branches-ignore:
-      - '**'
-    tags:
-      - 'v*'
+  release:
+    types: [created]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
-  build:
+  build-and-push:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
     steps:
-      - name: Check out the repository
-        uses: actions/checkout@v2
+      - name: Checkout repository
+        uses: actions/checkout@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
 
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
         with:
-          registry: ghcr.io
+          registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: docker/build-push-action@v2
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
         with:
           context: .
           push: true
-          tags: |
-            ghcr.io/mii443/rs-easy-p2p/signaling-server:{{version}}
-            ghcr.io/mii443/rs-easy-p2p/signaling-server:latest
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max