fix(celery): signal startup failure with sys.exit to recycle celery worker on errors

rhodecode/lib/celerylib/loader.py

@@ -32,6 +32,7 b' inspect_getargspec()'
 inspect_formatargspec()
 # python3.11 inspect patches for backward compat on `paste` code
 
+import sys
 import logging
 import importlib
 
@@ -160,12 +161,12 b" def _init_celery(app_type=''):"
     try:
         env = bootstrap(ini_file, options=options)
     except Exception:
-        log.exception('Failed to bootstrap RhodeCode APP')
+        log.exception('Failed to bootstrap RhodeCode APP. '
+                      'Probably there is another error present that prevents from running pyramid app')
 
     if not env:
-        raise EnvironmentError(
-            'Failed to load pyramid ENV. '
-            'Probably there is another error present that prevents from running pyramid app')
+        # we use sys.exit here since we need to signal app startup failure for docker to restart the container and re-try
+        sys.exit(1)
 
     log.debug('Got Pyramid ENV: %s', env)