Add .gitea/workflows/build.yml

.gitea/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [master, main]
+  schedule:
+    # Rebuild daily to catch base image updates
+    - cron: '0 4 * * *'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Gitea Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.cesium.pw
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.GITEA_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            git.cesium.pw/${{ gitea.repository }}:latest
+            git.cesium.pw/${{ gitea.repository }}:${{ gitea.sha }}