old_contents: import os
  from urllib import parse
  
  DEBUG = False
  
  
  DATABASE_SA = os.environ.get('HEROKU_POSTGRESQL_CHARCOAL_URL_PGBOUNCER')
  
  bits = parse.urlparse(DATABASE_SA)
  
  DATABASE = {
      'user': bits.username,
      'database': bits.path[1:],
      'password': bits.password,
      'host': bits.hostname,
      'port': bits.port,
      'maxsize': 4,
  }
  
  # 4 worker * 5 connections = 16 connectionso
  # 20 is the limit on Heroku, this leaves room for error and/or other processes
  # (like migrations which use 1)
  WORKER_COUNT = 4
  
new_contents: import os
  from urllib import parse
  
  DEBUG = False
  
  
  DATABASE_SA = os.environ.get('HEROKU_POSTGRESQL_CHARCOAL_URL')
  
  PG_BOUNCER = os.environ.get('HEROKU_POSTGRESQL_CHARCOAL_URL_PGBOUNCER')
  bits = parse.urlparse(PG_BOUNCER)
  
  DATABASE = {
      'user': bits.username,
      'database': bits.path[1:],
      'password': bits.password,
      'host': bits.hostname,
      'port': bits.port,
      'maxsize': 4,
  }
  
  # 4 worker * 5 connections = 16 connectionso
  # 20 is the limit on Heroku, this leaves room for error and/or other processes
  # (like migrations which use 1)
  WORKER_COUNT = 4
  
subject: Use a the regular connection for alembic