Fix Gitea Actions image tags and push retries

.gitea/workflows/publish-container.yml

@@ -27,18 +27,32 @@ jobs:
 
       - name: Build and push image
         run: |
-          SHA_TAG="sha-${GITEA_SHA}"
-          docker build --pull --tag "${IMAGE}:${SHA_TAG}" .
-          docker push "${IMAGE}:${SHA_TAG}"
+          push_image() {
+            local image="$1"
+            local attempt=1
+            until docker push "$image"; do
+              if [ "$attempt" -ge 3 ]; then
+                echo "Failed to push ${image} after ${attempt} attempts"
+                return 1
+              fi
+              attempt=$((attempt + 1))
+              echo "Push failed; retrying ${image} (${attempt}/3) in 10 seconds"
+              sleep 10
+            done
+          }
 
-          if [ "$GITEA_REF" = "refs/heads/main" ]; then
+          SHA_TAG="sha-${GITHUB_SHA}"
+          docker build --pull --tag "${IMAGE}:${SHA_TAG}" .
+          push_image "${IMAGE}:${SHA_TAG}"
+
+          if [ "$GITHUB_REF" = "refs/heads/main" ]; then
             docker tag "${IMAGE}:${SHA_TAG}" "${IMAGE}:latest"
-            docker push "${IMAGE}:latest"
+            push_image "${IMAGE}:latest"
           fi
 
-          case "$GITEA_REF" in
+          case "$GITHUB_REF" in
             refs/tags/v*)
-              docker tag "${IMAGE}:${SHA_TAG}" "${IMAGE}:${GITEA_REF_NAME}"
-              docker push "${IMAGE}:${GITEA_REF_NAME}"
+              docker tag "${IMAGE}:${SHA_TAG}" "${IMAGE}:${GITHUB_REF_NAME}"
+              push_image "${IMAGE}:${GITHUB_REF_NAME}"
               ;;
           esac