refactor: update Dockerfile and entrypoint script to use REQUEST_TIMEOUT; improve variable naming in mcpService

entrypoint.sh

@@ -1,6 +1,9 @@
-#!/bin/sh
+#!/bin/bash
+
 NPM_REGISTRY=${NPM_REGISTRY:-https://registry.npmjs.org/}
 echo "Setting npm registry to ${NPM_REGISTRY}"
 npm config set registry "$NPM_REGISTRY"
 
+echo "Using REQUEST_TIMEOUT: $REQUEST_TIMEOUT"
+
 exec "$@"