old_contents: from flask import Flask
  import base64
  import json
  from config import config as configs
  from flask.ext.elasticsearch import FlaskElasticsearch
  from dmutils import init_app, flask_featureflags
  
  feature_flags = flask_featureflags.FeatureFlag()
  elasticsearch_client = FlaskElasticsearch()
  
  
  def create_app(config_name):
      application = Flask(__name__)
  
      init_app(
          application,
          configs[config_name],
          feature_flags=feature_flags
      )
  
      if application.config['VCAP_SERVICES']:
          cf_services = json.loads(application.config['VCAP_SERVICES'])
          application.config['ELASTICSEARCH_HOST'] = cf_services['elasticsearch'][0]['credentials']['uris']
  
          with open(application.config['DM_ELASTICSEARCH_CERT_PATH'], 'wb') as es_certfile:
              es_certfile.write(base64.b64decode(cf_services['elasticsearch'][0]['credentials']['ca_certificate_base64']))
  
      elasticsearch_client.init_app(
          application,
          verify_certs=True,
          ca_certs=application.config['DM_ELASTICSEARCH_CERT_PATH']
      )
  
      from .main import main as main_blueprint
      from .status import status as status_blueprint
  
      application.register_blueprint(status_blueprint)
      application.register_blueprint(main_blueprint)
  
      return application
  
new_contents: from flask import Flask
  import base64
  import json
  from config import config as configs
  from flask.ext.elasticsearch import FlaskElasticsearch
  from dmutils import init_app, flask_featureflags
  
  feature_flags = flask_featureflags.FeatureFlag()
  elasticsearch_client = FlaskElasticsearch()
  
  
  def create_app(config_name):
      application = Flask(__name__)
  
      init_app(
          application,
          configs[config_name],
          feature_flags=feature_flags
      )
  
      if application.config['VCAP_SERVICES']:
          cf_services = json.loads(application.config['VCAP_SERVICES'])
          application.config['ELASTICSEARCH_HOST'] = \
              cf_services['elasticsearch-compose'][0]['credentials']['uris']
  
          with open(application.config['DM_ELASTICSEARCH_CERT_PATH'], 'wb') as es_certfile:
              es_certfile.write(
                  base64.b64decode(cf_services['elasticsearch-compose'][0]['credentials']['ca_certificate_base64'])
              )
  
      elasticsearch_client.init_app(
          application,
          verify_certs=True,
          ca_certs=application.config['DM_ELASTICSEARCH_CERT_PATH']
      )
  
      from .main import main as main_blueprint
      from .status import status as status_blueprint
  
      application.register_blueprint(status_blueprint)
      application.register_blueprint(main_blueprint)
  
      return application
  
subject: Change the VCAP_SERVICE key for elasticsearch