First try with CI

.gitea/workflows/image.yaml

@@ -0,0 +1,25 @@
+name: Build and push docker image
+run-name: ${{ gitea.actor }} is building and pushing the docker image 🚀
+on: [push]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    needs: build
+    if: gitea.ref == 'refs/heads/main'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          config-inline: |
+            [registry.brunner.ninja]
+              http = true
+              insecure = false
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: "registry.brunner.ninja/feedc0de/less_shitty_proxyjs:${{gitea.sha}},registry.brunner.ninja/feedc0de/less_shitty_proxyjs:latest"