AGENTS.md: no direct commits to main, all changes via feature branches

internal/config/config.go

@@ -1,7 +1,7 @@
+// Package config provides application configuration via environment and files.
 package config
 
 import (
-	"fmt"
 	"log/slog"
 
 	"git.eeqj.de/sneak/chat/internal/globals"
@@ -9,15 +9,18 @@ import (
 	"github.com/spf13/viper"
 	"go.uber.org/fx"
 
-	_ "github.com/joho/godotenv/autoload"
+	_ "github.com/joho/godotenv/autoload" // loads .env file
 )
 
+// ConfigParams defines the dependencies for creating a Config.
 type ConfigParams struct {
 	fx.In
+
 	Globals *globals.Globals
 	Logger  *logger.Logger
 }
 
+// Config holds all application configuration values.
 type Config struct {
 	DBURL           string
 	Debug           bool
@@ -36,14 +39,15 @@ type Config struct {
 	log             *slog.Logger
 }
 
-func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
+// New creates a new Config by reading from files and environment variables.
+func New(_ fx.Lifecycle, params ConfigParams) (*Config, error) {
 	log := params.Logger.Get()
 	name := params.Globals.Appname
 
 	viper.SetConfigName(name)
 	viper.SetConfigType("yaml")
-	viper.AddConfigPath(fmt.Sprintf("/etc/%s", name))
-	viper.AddConfigPath(fmt.Sprintf("$HOME/.config/%s", name))
+	viper.AddConfigPath("/etc/" + name)
+	viper.AddConfigPath("$HOME/.config/" + name)
 	viper.AutomaticEnv()
 
 	viper.SetDefault("DEBUG", "false")
@@ -60,10 +64,9 @@ func New(lc fx.Lifecycle, params ConfigParams) (*Config, error) {
 	viper.SetDefault("SERVER_NAME", "")
 	viper.SetDefault("FEDERATION_KEY", "")
 
-	if err := viper.ReadInConfig(); err != nil {
-		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
-			// Config file not found is OK
-		} else {
+	err := viper.ReadInConfig()
+	if err != nil {
+		if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
 			log.Error("config file malformed", "error", err)
 			panic(err)
 		}