Added version support to docker image build

.github/workflows/docker-image.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - 'main'
+    tags:
+      - 'v*.*.*'
 
 jobs:
   docker:
@@ -12,6 +14,21 @@ jobs:
       -
         name: Checkout
         uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            shimberger/wg-http-proxy
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha        
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v1
@@ -31,5 +48,5 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: |
-            shimberger/wg-http-proxy:latest
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}