feat: add support for TLS with Postgres

app.go

@@ -129,13 +129,16 @@ func NewHeadscale(cfg *Config) (*Headscale, error) {
 	switch cfg.DBtype {
 	case Postgres:
 		dbString = fmt.Sprintf(
-			"host=%s port=%d dbname=%s user=%s password=%s sslmode=disable",
+			"host=%s port=%d dbname=%s user=%s password=%s",
 			cfg.DBhost,
 			cfg.DBport,
 			cfg.DBname,
 			cfg.DBuser,
 			cfg.DBpass,
 		)
+		if !cfg.DBssl {
+			dbString = dbString + " sslmode=disable"
+		}
 	case Sqlite:
 		dbString = cfg.DBpath
 	default:

config.go

@@ -47,6 +47,7 @@ type Config struct {
 	DBname string
 	DBuser string
 	DBpass string
+	DBssl  bool
 
 	TLS TLSConfig
 
@@ -506,6 +507,7 @@ func GetHeadscaleConfig() (*Config, error) {
 		DBname: viper.GetString("db_name"),
 		DBuser: viper.GetString("db_user"),
 		DBpass: viper.GetString("db_pass"),
+		DBssl:  viper.GetBool("db_ssl"),
 
 		TLS: GetTLSConfig(),