create table if not exists app
(
    id   serial        not null,
    name varchar(256)  not null,
    url  varchar(1024) not null,
    constraint app_pk
        primary key (id)
);

create unique index if not exists app_id_uindex
    on app (id);


alter table project_app
	add constraint project_app_app_id_fk
		foreign key (app_id) references app;