Use $QUAYPATH and $QUAYDIR in conf and init files

endpoints/web.py

@@ -1,3 +1,4 @@
+import os
 import json
 import logging
 
@@ -38,6 +39,8 @@ from util.saas.useranalytics import build_error_callback
 from util.systemlogs import build_logs_archive
 from util.useremails import send_email_changed
 from util.registry.gzipinputstream import GzipInputStream
+from _init import ROOT_DIR
+
 
 PGP_KEY_MIMETYPE = 'application/pgp-keys'
 
@@ -287,7 +290,7 @@ def dbrevision_health():
   db_revision = result[0]
 
   # Find the local revision from the file system.
-  with open('ALEMBIC_HEAD', 'r') as f:
+  with open(os.path.join(ROOT_DIR, 'ALEMBIC_HEAD'), 'r') as f:
     local_revision = f.readline().split(' ')[0]
 
   data = {