Add workflow

.gitea/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Build and push container
+run-name: ${{ gitea.actor }} is building the container
+on: [push]
+
+jobs:
+  Build-Docker-Container:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: hub.docker.com
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: mrletsplay/mdblog
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}