old_contents: import os
  from flask import Flask
  import psycopg2
  import urlparse
  
  urlparse.uses_netloc.append("postgres")
  url = urlparse.urlparse(os.environ["ec2-54-228-246-19.eu-west-1.compute.amazonaws.com"])
  
  conn = psycopg2.connect(
      database=url.path[1:],
      user=url.username,
      password=url.password,
      host=url.hostname,
      port=url.port
  )
  
  app = Flask(__name__)
  basedir = os.path.abspath(os.path.dirname('data'))
  basedir_img = os.path.abspath(os.path.dirname('angular_flask'))
  app.config["SECRET_KEY"] = "\xed\x9c\xac\xcd4\x83k\xd1\x17\xd54\xe71\x03\xaf\xd8\x04\xe3\xcd\xaa\xf4\x97\x82\x1e"
  #app.config["SQLALCHEMY_DATABASE_URI"] = 'sqlite:///' + os.path.join(basedir, 'data/posts.db')
  #app.config["SQLALCHEMY_DATABASE_URI"] = 'postgresql://admin:111111@localhost:5432/posts'
  app.config["DEBUG"] = True
  app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
  app.config['UPLOAD_FOLDER'] = os.path.join(basedir_img, 'angular_flask/static/img')
  
  import angular_flask.core
  import angular_flask.models
  import angular_flask.controllers
  
new_contents: import os
  from flask import Flask
  import psycopg2
  import urlparse
  
  urlparse.uses_netloc.append("postgres")
  url = urlparse.urlparse(os.environ["DATABASE_URL"])
  
  conn = psycopg2.connect(
      database=url.path[1:],
      user=url.username,
      password=url.password,
      host=url.hostname,
      port=url.port
  )
  
  app = Flask(__name__)
  basedir = os.path.abspath(os.path.dirname('data'))
  basedir_img = os.path.abspath(os.path.dirname('angular_flask'))
  app.config["SECRET_KEY"] = "\xed\x9c\xac\xcd4\x83k\xd1\x17\xd54\xe71\x03\xaf\xd8\x04\xe3\xcd\xaa\xf4\x97\x82\x1e"
  #app.config["SQLALCHEMY_DATABASE_URI"] = 'sqlite:///' + os.path.join(basedir, 'data/posts.db')
  #app.config["SQLALCHEMY_DATABASE_URI"] = 'postgresql://admin:111111@localhost:5432/posts'
  app.config['SQLALCHEMY_DATABASE_URI'] = os.environ['DATABASE_URL']
  app.config["DEBUG"] = True
  app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
  app.config['UPLOAD_FOLDER'] = os.path.join(basedir_img, 'angular_flask/static/img')
  
  import angular_flask.core
  import angular_flask.models
  import angular_flask.controllers
  
subject: Change db url