Publish container images with Gitea Actions

.gitea/workflows/publish-container.yml

@@ -0,0 +1,44 @@
+name: Build and Publish Container
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    env:
+      REGISTRY: gitea.dddbg.com
+      IMAGE: gitea.dddbg.com/youbin/stun-nat
+    steps:
+      - name: Check out source
+        uses: actions/checkout@v4
+
+      - name: Log in to Gitea Container Registry
+        env:
+          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
+        run: |
+          test -n "$REGISTRY_TOKEN" || { echo "Missing Actions secret: REGISTRY_TOKEN"; exit 1; }
+          printf '%s' "$REGISTRY_TOKEN" | docker login "$REGISTRY" --username youbin --password-stdin
+
+      - name: Build and push image
+        run: |
+          SHA_TAG="sha-${GITEA_SHA}"
+          docker build --pull --tag "${IMAGE}:${SHA_TAG}" .
+          docker push "${IMAGE}:${SHA_TAG}"
+
+          if [ "$GITEA_REF" = "refs/heads/main" ]; then
+            docker tag "${IMAGE}:${SHA_TAG}" "${IMAGE}:latest"
+            docker push "${IMAGE}:latest"
+          fi
+
+          case "$GITEA_REF" in
+            refs/tags/v*)
+              docker tag "${IMAGE}:${SHA_TAG}" "${IMAGE}:${GITEA_REF_NAME}"
+              docker push "${IMAGE}:${GITEA_REF_NAME}"
+              ;;
+          esac