Create docker-build.yml

.github/workflows/docker-build.yml

@@ -0,0 +1,16 @@
+name: Docker build
+on:
+  push:
+  pull_request:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      
+      - name: Build image
+        uses: docker/build-push-action@v2