sample config with constants adjusted

lib/config/config.go

@@ -19,26 +19,24 @@ const (
 	MSSQL    = "mssql"
 )
 
-// ADD CLI SWITCH TO PRINT SAMPLE CONFIG
-
 var Sample = `application:
-  environment: production|test|development
+  environment: ` + PRODENV + `|` + TESTENV + `|` + DEVENV + `
   listenAddress: 127.0.0.1
   port: 5100
 database:
   host: 127.0.0.1
   port: 3306
-  dialect: mysql|postgres|mssql
+  dialect: ` + MYSQL + `|` + POSTGRES + `|` + MSSQL + `
   database: skel
   user: skel
-  password: ___123Qwe
+  password: secret
   maxOpenConn: 90
   maxIdleConn: 20
   maxLifeTime: 1800
 `
 
 func setDefaults() {
-	viper.SetDefault("application.environment", "production")
+	viper.SetDefault("application.environment", PRODENV)
 	viper.SetDefault("application.listenAddress", "127.0.0.1")
 	viper.SetDefault("application.port", "8080")
 	viper.SetDefault("database.host", "127.0.0.1")