EnvPostgresEnable             = "MINIO_NOTIFY_POSTGRES_ENABLE"
	EnvPostgresFormat             = "MINIO_NOTIFY_POSTGRES_FORMAT"
	EnvPostgresConnectionString   = "MINIO_NOTIFY_POSTGRES_CONNECTION_STRING"
	EnvPostgresTable              = "MINIO_NOTIFY_POSTGRES_TABLE"
	EnvPostgresHost               = "MINIO_NOTIFY_POSTGRES_HOST"
	EnvPostgresPort               = "MINIO_NOTIFY_POSTGRES_PORT"

notify_nats           publish bucket notifications to NATS endpoints
notify_nsq            publish bucket notifications to NSQ endpoints
notify_mysql          publish bucket notifications to MySQL databases
notify_postgres       publish bucket notifications to Postgres databases
notify_elasticsearch  publish bucket notifications to Elasticsearch endpoints
notify_redis          publish bucket notifications to Redis datastores
```

### Accessing configuration

import (
	"database/sql"
	"testing"
)

// TestPostgreSQLRegistration checks if postgres driver
// is registered and fails otherwise.
func TestPostgreSQLRegistration(t *testing.T) {
	var found bool
	for _, drv := range sql.Drivers() {
		if drv == "postgres" {
			found = true
			break
		}
	}
	if !found {
		t.Fatal("postgres driver not registered")
	}
}

func TestPsqlTableNameValidation(t *testing.T) {

or environment variables

```
KEY:
notify_postgres[:name]  publish bucket notifications to Postgres databases

ARGS:
MINIO_NOTIFY_POSTGRES_ENABLE*              (on|off)             enable notify_postgres target, default is 'off'
MINIO_NOTIFY_POSTGRES_CONNECTION_STRING*   (string)             Postgres server connection-string e.g. "host=localhost port=5432 dbname=minio_events user=postgres password=password sslmode=disable"

			Description:     "publish bucket notifications to MySQL databases",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyPostgresSubSys,
			Description:     "publish bucket notifications to Postgres databases",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyESSubSys,
			Description:     "publish bucket notifications to Elasticsearch endpoints",
			MultipleTargets: true,

nsq":{"_":[{"key":"enable","value":"off"},{"key":"nsqd_address","value":""},{"key":"topic","value":""},{"key":"tls","value":"off"},{"key":"tls_skip_verify","value":"off"},{"key":"queue_dir","value":""},{"key":"queue_limit","value":"0"}]},"notify_postgres":{"_":[{"key":"enable","value":"off"},{"key":"format","v multisitea/data/disterasure/xl10/.minio.sys/pool.bin/xl.meta XL2 Æ w Ä$•Ä Ó ÉŸþ¥¹ °Ä ºHØH Å Kƒ¤Type ¥V2ObjÞ ¢IDÄ ¤DDirÄ 5 A·DoCÁ§slÂ0RÿŦEcAlgo £EcM £EcN §EcBSizeÒ §EcIndex ¦EcDistœ ¨CSumAlgo...

			Type:        "sentence",
		},
	}

	HelpPostgres = config.HelpKVS{
		config.HelpKV{
			Key:         target.PostgresConnectionString,
			Description: `Postgres server connection-string e.g. "host=localhost port=5432 dbname=minio_events user=postgres password=password sslmode=disable"`,
			Type:        "string",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         target.PostgresTable,

		if err = nsqArgs.Validate(); err != nil {
			return nil, err
		}

		nsqTargets[k] = nsqArgs
	}
	return nsqTargets, nil
}

// DefaultPostgresKVS - default Postgres KV for server config.
var (
	DefaultPostgresKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   target.PostgresFormat,

	}
	for k, args := range cfg.Notify.NATS {
		notify.SetNotifyNATS(newCfg, k, args)
	}
	for k, args := range cfg.Notify.NSQ {
		notify.SetNotifyNSQ(newCfg, k, args)
	}
	for k, args := range cfg.Notify.PostgreSQL {
		notify.SetNotifyPostgres(newCfg, k, args)
	}
	for k, args := range cfg.Notify.Redis {
		notify.SetNotifyRedis(newCfg, k, args)
	}
	for k, args := range cfg.Notify.Webhook {