Misc usability fixes

1. Added binding address in config
2. Added missing dependency sqlalchemy
3. Added permanent redirect to index.html

config.sample

@@ -1,2 +1,3 @@
 
 DB_CONNECTION=postgresql://postgres@localhost/postgres
+BIND_ADDRESS=127.0.0.1:8000

requirements.txt

@@ -1,2 +1,3 @@
 falcon==1.4.1
 gunicorn==19.9.0
+sqlalchemy

run.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
 
 [ -f ./config ] && . ./config && export DB_CONNECTION
-gunicorn server:api
+bindAddress=${BIND_ADDRESS:-'127.0.0.1:8000'}
+gunicorn server:api -b $bindAddress "$@"

server.py

@@ -22,6 +22,12 @@ class QResource:
         resp.set_header('content-type', 'application/json; charset=UTF-8')
         resp.body = json.dumps( data, default=str )
 
+
+class RedirectingResource:
+    def on_get(self, req, resp):
+        raise falcon.HTTPMovedPermanently('/index.html')
+
 api = falcon.API()
+api.add_route('/', RedirectingResource())
 api.add_static_route('/', os.path.dirname(os.path.realpath(__file__)) + '/static' )
 api.add_route('/api/data', QResource())