fix(controller): do not set entrypoint when no procfile

Author: jianxiaoguo

rootfs/api/models/app.py

@@ -153,8 +153,11 @@ def _get_entrypoint(self, container_type):
         """
         Return the kubernetes "container command" to be sent off to the scheduler.
         """
-        entrypoint = ['/bin/sh', '-c']
+        entrypoint = []
         release = self.release_set.filter(failed=False).latest()
+        if release is not None and release.build is not None:
+            if release.build.procfile and container_type in release.build.procfile:
+                entrypoint = ['/bin/sh', '-c']
         if self._get_stack(release) == "buildpack":
             if container_type in release.build.procfile:
                 entrypoint = [container_type]