Generate lifecycle methods at container creation
Generate lifecycle methods at container creation

For #249

martyjs/marty,thredup/marty,thredup/marty-lib,CumpsD/marty-lib,KeKs0r/marty-lib,goldensunliu/marty-lib,kwangkim/marty,oliverwoodings/marty,Driftt/marty,Driftt/marty,martyjs/marty-lib,thredup/marty,oliverwoodings/marty,kwangkim/marty,kwangkim/marty,martyjs/marty,gmccrackin/marty-lib