Configure jwtproxy from stack/conf yaml

boot.py

@@ -1,13 +1,36 @@
 #!/usr/bin/env python
 
+from urlparse import urlunparse
+
 import release
+from jinja2 import Template
 
 from app import app
 from data.model.release import set_region_release
 from util.config.database import sync_database_with_config
 
 
+def create_jwtproxy_conf():
+  audience = urlunparse((
+    app.config.get('PREFERRED_URL_SCHEME'),
+    app.config.get('SERVER_HOSTNAME'), '', '', '', ''))
+
+  registry = audience + '/keys'
+
+  with open("/conf/jwtproxy_conf.yaml.jnj") as f:
+    template = Template(f.read())
+    rendered = template.render(
+      audience=audience,
+      registry=registry
+    )
+
+  with open('/conf/jwtproxy_conf.yaml', 'w') as f:
+    f.write(rendered)
+
+
 def main():
+  create_jwtproxy_conf()
+
   if app.config.get('SETUP_COMPLETE', False):
     sync_database_with_config(app.config)