docker build ci

.github/workflows/docker.yml

@@ -0,0 +1,38 @@
+name: docker
+
+on:
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{github.repository_owner}}/back
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Login to ghcr
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{github.repository_owner}}
+          password: ${{secrets.GITHUB_TOKEN}}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: ./back
+          push: true
+          tags: ${{steps.meta.outputs.tags}}