EnvPostgresQueueDir           = "MINIO_NOTIFY_POSTGRES_QUEUE_DIR"
	EnvPostgresQueueLimit         = "MINIO_NOTIFY_POSTGRES_QUEUE_LIMIT"
	EnvPostgresMaxOpenConnections = "MINIO_NOTIFY_POSTGRES_MAX_OPEN_CONNECTIONS"
)

// PostgreSQLArgs - PostgreSQL target arguments.
type PostgreSQLArgs struct {
	Enable             bool      `json:"enable"`
	Format             string    `json:"format"`

MINIO_NOTIFY_POSTGRES_COMMENT              (sentence)           optionally add a comment to this setting
MINIO_NOTIFY_POSTGRES_MAX_OPEN_CONNECTIONS (number)             maximum number of open connections to the database, defaults to '2'
```

> NOTE: If the `max_open_connections` key or the environment variable `MINIO_NOTIFY_POSTGRES_MAX_OPEN_CONNECTIONS` is set to `0`, There will be no limit set on the number of