build using actions

Author: tilosp

.github/workflows/docker.yml

@@ -0,0 +1,31 @@
+name: Container Image
+
+on:
+  push:
+    branches: [ main ]
+
+env:
+  IMAGE_NAME: fsmi/flat-manager
+  REGISTRY: ghcr.io
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3