Add Dockerfile

.gitea/workflows/docker.yaml

@@ -0,0 +1,26 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Gitea Registry
+        run: |
+          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login gitea.umbra.mom \
+            -u "${{ secrets.REGISTRY_USER }}" --password-stdin
+
+      - name: Build image
+        run: |
+          docker build -t gitea.umbra.mom/jay/pub-quiz:latest .
+
+      - name: Push image
+        run: |
+          docker push gitea.umbra.mom/jay/pub-quiz:latest