chore(ci): docker

.github/workflows/docker-ci.yaml

@@ -0,0 +1,20 @@
+name: Docker
+
+on: push
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v3
+            - uses: docker/setup-buildx-action@v2
+            - uses: docker/build-push-action@v4
+              with:
+                  context: .
+                  file: "Dockerfile"
+                  tags: metro-now:latest
+                  load: true
+                  cache-from: type=gha
+                  cache-to: type=gha,mode=max
+                  push: false