| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| database/sql | Package sql provides a generic interface around SQL (or SQL-like) databases. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/jackc/pgtype | |
| github.com/jackc/pgx/v4 | Package pgx is a PostgreSQL database driver. |
| github.com/jackc/pgx/v4/stdlib | Package stdlib is the compatibility layer from pgx to database/sql. |
| github.com/lib/pq | Package pq is a pure Go Postgres driver for the database/sql package. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| testing | Package testing provides support for automated testing of Go packages. |