| ``APP_MODE`` | ``development`` | Whether to use development or production settings |
| ``DB_DSN`` | | **Required.** Only Postgres is supported. Example: ``postgres://user:password@host:5432/dbname?sslmode=disable`` (https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING) |
| ``DB_MAX_OPEN_CONNECTIONS`` | ``5`` | Maximum number of open connections to the database (https://pkg.go.dev/database/sql#DB.SetMaxOpenConns) |
| ``DB_MAX_IDLE_CONNECTIONS`` | ``2`` | Maximum number of connections in the idle connection pool (https://pkg.go.dev/database/sql#DB.SetMaxIdleConns) |
| ``DB_CONNECTION_MAX_LIFETIME`` | ``3m`` | Maximum amount of time a connection may be reused (https://pkg.go.dev/database/sql#DB.SetConnMaxLifetime) |
| ``TWHELP_URL`` | | **Required.** API URL (e.g. https://tribalwarshelp.com) |
| ``TWHELP_TIMEOUT`` | ``10s`` | Time limit for requests to TWHelp |