add docker github action

.github/workflows/docker.yaml

@@ -0,0 +1,37 @@
+name: 🚢 Docker
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  docker:
+    name: 🚢 Docker
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⬇️ Checkout repo
+        uses: actions/checkout@v4
+
+      - name: 🔨 Build image
+        run: ./docker/build
+
+      - name: 🔥 Smoke test
+        run: ./docker/smoke-test
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: 🚢 Push image
+        run: ./docker/push