add image push

.github/workflows/push.yml

@@ -0,0 +1,45 @@
+name: Build and Publish
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build_and_push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: Set meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            ghcr.io/azuki774/go-authenticator
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=semver,pattern=latest
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GH_ACCESS_TOKEN }}
+
+      - name: Docker Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64 #,linux/arm64
+          file: ./build/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}