Initial setup: Quartz builder for dsesch.de

.gitea/workflows/build.yml

@@ -0,0 +1,21 @@
+name: Build Docker Image
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Login to Gitea Registry
+        run: |
+          echo "${{ secrets.GITEA_TOKEN }}" | docker login forge.dsesch.de \
+            -u ${{ github.repository_owner }} --password-stdin
+
+      - name: Build and Push
+        run: |
+          docker build -t forge.dsesch.de/root/garden-builder:latest .
+          docker push forge.dsesch.de/root/garden-builder:latest