old_contents: from sqlalchemy import create_engine
  from sqlalchemy.orm import scoped_session, sessionmaker
  from sqlalchemy.ext.declarative import declarative_base
  
  
  engine = create_engine("postgresql://postgres:p4ssw0rd@localhost:5432/route")
  db_session = scoped_session(sessionmaker(autocommit=False, autoflush=False, bind=engine))
  
  Base = declarative_base()
  Base.query = db_session.query_property()
  
  
  def init_db():
      import route.models
      Base.metadata.create_all(bind=engine)
  
new_contents: from sqlalchemy import create_engine
  from sqlalchemy.orm import scoped_session, sessionmaker
  from sqlalchemy.ext.declarative import declarative_base
  
  
  engine = create_engine("postgresql://postgres:p4ssw0rd@localhost:5432/docker")
  db_session = scoped_session(sessionmaker(autocommit=False, autoflush=False, bind=engine))
  
  Base = declarative_base()
  Base.query = db_session.query_property()
  
  
  def init_db():
      import route.models
      Base.metadata.create_all(bind=engine)
  
subject: Change postgresql database name