read-write-access.sql

GRANT USAGE ON SCHEMA public TO readwrite;
GRANT SELECT ON ALL TABLES IN SCHEMA public To readwrite;
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readwrite;

GRANT USAGE ON SCHEMA schema_name TO readwrite;
GRANT SELECT ON ALL TABLES IN SCHEMA schema_name To readwrite;
ALTER DEFAULT PRIVILEGES IN SCHEMA schema_name GRANT SELECT ON TABLES TO readwrite;

GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA schema_name TO readwrite;
GRANT SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA schema_name TO readwrite;

CREATE USER username WITH PASSWORD 'password_value';
GRANT readwrite TO username;