feat: add log configuration

config/config.go

@@ -33,6 +33,8 @@ type Config struct {
 	ResourceLoaderHeaders    http.Header
 	ResourceLoaderHeadersStr string `mapstructure:"FEATWS_RULLER_RESOURCE_LOADER_HEADERS"`
 
+	LogLevel string `mapstructure:"FEATWS_RULLER_LOG_LEVEL"`
+
 	Port             string `mapstructure:"PORT"`
 	DefaultRules     string `mapstructure:"FEATWS_RULLER_DEFAULT_RULES"`
 	DisableSSLVerify bool   `mapstructure:"FEATWS_DISABLE_SSL_VERIFY"`
@@ -58,8 +60,8 @@ func LoadConfig() (err error) {
 
 	viper.AutomaticEnv()
 
+	viper.SetDefault("FEATWS_RULLER_LOG_LEVEL", "INFO")
 	viper.SetDefault("FEATWS_RULLER_RESOURCE_LOADER_TYPE", "http")
-	viper.SetDefault("FEATWS_RULLER_RESOURCE_LOADER_URL", "")
 	viper.SetDefault("FEATWS_RULLER_RESOURCE_LOADER_HEADERS", "")
 	viper.SetDefault("FEATWS_RULLER_RESOLVER_BRIDGE_URL", "")
 	viper.SetDefault("FEATWS_RULLER_RESOLVER_BRIDGE_HEADERS", "")

main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"context"
-	"os"
 
 	"github.com/bancodobrasil/featws-ruller/config"
 	_ "github.com/bancodobrasil/featws-ruller/docs"
@@ -17,13 +16,16 @@ import (
 	ginlogrus "github.com/toorop/gin-logrus"
 )
 
-func setupLog() {
-	log.SetFormatter(&log.TextFormatter{FullTimestamp: true})
-	// log.SetFormatter(&log.JSONFormatter{})
-
-	log.SetOutput(os.Stdout)
-
-	log.SetLevel(log.DebugLevel)
+func setupLog(config *config.Config) {
+	level := log.InfoLevel
+	if len(config.LogLevel) > 0 {
+		log.Infof("Configuring log level: %s", config.LogLevel)
+		parsedLevel, err := log.ParseLevel(config.LogLevel)
+		if err == nil {
+			level = parsedLevel
+		}
+	}
+	log.SetLevel(level)
 }
 
 // @title FeatWS Ruler
@@ -70,15 +72,15 @@ func setupLog() {
 // configuration.
 func main() {
 
-	setupLog()
-
 	err := config.LoadConfig()
 	if err != nil {
 		log.Fatalf("Não foi possível carregar as configurações: %s\n", err)
 	}
 
 	cfg := config.GetConfig()
 
+	setupLog(cfg)
+
 	if cfg.DefaultRules != "" {
 		defaultGRL := cfg.DefaultRules
 		log.Debugf("Carregando '%s' como folha de regras default!", defaultGRL)