# docker - compose flask - app.py (web server)
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 'you have clicked %s time(s).'% redis.get('hits')

if __name__ == "__main__":
  app.run(host='0.0.0.0',debug=True)
