diff --git a/docker/Dockerfile.e2e b/docker/Dockerfile.e2e
index 5eb380f48..1c1710af4 100644
--- a/docker/Dockerfile.e2e
+++ b/docker/Dockerfile.e2e
@@ -3,8 +3,10 @@ FROM ubuntu:22.04
 LABEL author="Chris Lu"
 
 # Use faster mirrors and optimize package installation
-# Note: su-exec is not available in Ubuntu repos, we'll use gosu as an alternative
-# or simplify the entrypoint for e2e testing (run as root for testing)
+# Note: This e2e test image intentionally runs as root for simplicity and compatibility.
+# Production images (Dockerfile.go_build) use proper user isolation with su-exec.
+# For testing purposes, running as root avoids permission complexities and dependency
+# on Alpine-specific tools like su-exec (not available in Ubuntu repos).
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y \
     --no-install-recommends \
diff --git a/docker/entrypoint_e2e.sh b/docker/entrypoint_e2e.sh
index 6d326f9f7..abf873a8e 100755
--- a/docker/entrypoint_e2e.sh
+++ b/docker/entrypoint_e2e.sh
@@ -1,8 +1,15 @@
 #!/bin/bash
 set -e
 
-# Simplified entrypoint for e2e testing - runs as root
-# No user switching needed for testing
+# Simplified entrypoint for e2e testing
+# 
+# This script intentionally runs as root for e2e test environments to:
+# 1. Simplify test setup and avoid permission-related test failures
+# 2. Eliminate dependency on Alpine-specific tools (su-exec) since we use Ubuntu base
+# 3. Focus testing on application logic rather than container security
+#
+# IMPORTANT: Production deployments should use Dockerfile.go_build with proper
+# user isolation via su-exec. This simplified approach is ONLY for testing.
 
 isArgPassed() {
   arg="$1"