add support for sockets (mostly clarification)

extra/config.ini.example

@@ -7,12 +7,14 @@ Logfile = true
 Logdir = "/var/log/"
 
 [Database]
-IP = "127.0.0.1"
+# Type can be either postgresql or mysql
+Type = "postgresql"
+# if type if postgres, you can also connect to the DB with a socket file
+Host = "127.0.0.1" # can be either an IP address or a socket, it's often /var/run/postgresql/
 Username = "sacrebleu"
 Password = "superSecretPassword"
 Port = "3306"
 DB = "sacrebleudatabase"
-Type = "mysql" #postgresql or mysql
 
 [Redis]
 IP = "127.0.0.1"

utils/sql.go

@@ -32,13 +32,13 @@ func SQLDatabase(conf *Conf) {
 	}
 
 	if conf.Database.Type == "postgresql" {
-		dsn := fmt.Sprintf("user=%s password=%s host=%s port=%s database=%s sslmode=disable", conf.Database.Username, conf.Database.Password, conf.Database.IP, conf.Database.Port, conf.Database.Db)
-
+		dsn := fmt.Sprintf("user=%s password=%s host=%s port=%s database=%s sslmode=disable", conf.Database.Username, conf.Database.Password, conf.Database.Host, conf.Database.Port, conf.Database.Db)
 		db, err = gorm.Open(postgres.Open(dsn), &gorm.Config{
 			Logger: logger.Default.LogMode(gormLogLevel),
 		})
+
 	} else {
-		dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local", conf.Database.Username, conf.Database.Password, conf.Database.IP, conf.Database.Port, conf.Database.Db)
+		dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local", conf.Database.Username, conf.Database.Password, conf.Database.Host, conf.Database.Port, conf.Database.Db)
 
 		db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
 			Logger: logger.Default.LogMode(gormLogLevel),

utils/structs.go

@@ -10,7 +10,7 @@ type App struct {
 
 //Database : Struct for SQL Database configuration in the config.ini file
 type Database struct {
-	IP       string `ini:"IP"`
+	Host     string `ini:"Host"`
 	Port     string
 	Username string
 	Password string