Added Flask/Redis

Signed-off-by: ajeetraina <ajeetraina@gmail.com>

flask-redis/app.py

@@ -0,0 +1,15 @@
+# compose_flask/app.py
+from flask import Flask
+from redis import Redis
+
+app = Flask(__name__)
+redis = Redis(host='redis', port=6379)
+
+@app.route('/')
+def hello():
+    redis.incr('hits')
+    return 'This webpage has been viewed %s time(s).' % redis.get('hits')
+
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", debug=True)