Index that kinda works and is backed by a database. Still lots to do.

app.py

@@ -0,0 +1,10 @@
+from flask import Flask, make_response, jsonify
+
+app = Flask(__name__)
+
+@app.route('/_ping')
+@app.route('/v1/_ping')
+def ping():
+  response = make_response('true', 200);
+  response.headers['X-Docker-Registry-Version'] = '0.6.0'
+  return response