setup flags and envvar

cmd/root.go

@@ -6,6 +6,7 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -39,10 +40,6 @@ func init() {
 	// will be global for your application.
 
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.forgejo-pages.yaml)")
-
-	// Cobra also supports local flags, which will only run
-	// when this action is called directly.
-	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
 }
 
 // initConfig reads in config file and ENV variables if set.
@@ -57,14 +54,16 @@ func initConfig() {
 
 		// Search config in home directory with name ".forgejo-pages" (without extension).
 		viper.AddConfigPath(home)
-		viper.SetConfigType("yaml")
+		viper.SetConfigType("toml")
 		viper.SetConfigName(".forgejo-pages")
 	}
 
-	viper.AutomaticEnv() // read in environment variables that match
-
 	// If a config file is found, read it in.
 	if err := viper.ReadInConfig(); err == nil {
 		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
 	}
+
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+	viper.SetEnvPrefix("PAGES")
+	viper.AutomaticEnv() // read in environment variables that match
 }