ci(e2e): improve Pulsar container startup reliability

Author: freeznet

.github/workflows/e2e.yml

@@ -37,7 +37,10 @@ jobs:
           --health-cmd "curl -f http://localhost:8080/admin/v2/clusters"
           --health-interval 10s
           --health-timeout 5s
-          --health-retries 5
+          --health-retries 30
+          --health-start-period 90s
+          -v ${{ github.workspace }}/scripts/pulsar-e2e-entrypoint.sh:/pulsar-entrypoint.sh
+        entrypoint: ["/bin/bash", "/pulsar-entrypoint.sh"]
 
     steps:
       - name: Check out code

scripts/pulsar-e2e-entrypoint.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Copyright 2025 StreamNative
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e
+
+echo "Starting Pulsar standalone for E2E testing..."
+
+# Start Pulsar standalone in foreground
+# Using exec to replace the current process ensures proper signal handling
+exec bin/pulsar standalone