Merge pull request #1336 from deis/1326-container-config

fix(controller/registry): add old config vars

Author: Matthew Fisher

controller/registry/private.py

@@ -151,7 +151,7 @@ def _construct_env(env, config):
         if k in config:
             # update values defined by config
             v = config.pop(k)
-            new_env.append("{}={}".format(k, v))
+        new_env.append("{}={}".format(k, v))
     # add other config ENV items
     for k, v in config.items():
         new_env.append("{}={}".format(k, v))