add gitea build actions

.gitea/workflows/docker-build.yml

@@ -0,0 +1,37 @@
+name: Build and Push Docker Images
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+jobs:
+  docker:
+    name: Build and Push Docker Images
+    runs-on: builder
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Build Docker images
+        working-directory: .build/prod
+        run: docker compose build
+
+      - name: Login to Docker Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ vars.DOCKER_REGISTRY_URL }}
+          username: ${{ vars.DOCKER_REGISTRY_USER }}
+          password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
+
+      - name: Push Docker images
+        if: github.event_name != 'pull_request'
+        working-directory: .build/prod
+        run: docker compose push