Merge pull request #99 from pborzenkov/env-vars

cmd: allow to customize nested options via env variables
prometheus · Nov 7, 2018 · bdf59b4 · bdf59b4
2 parents b01d2b5 + 94a5b5e
commit bdf59b4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cmd/promu.go b/cmd/promu.go
@@ -89,7 +89,8 @@ func initConfig() error {
 	viper.SetConfigName(".promu") // name of config file (without extension)
 	viper.AddConfigPath(".")      // look for config in the working directory
 	viper.SetEnvPrefix("promu")
-	viper.AutomaticEnv() // read in environment variables that match
+	viper.AutomaticEnv()                                   // read in environment variables that match
+	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) // replacing dots in key names with '_'
 
 	// If a config file is found, read it in.
 	if err := viper.ReadInConfig(); err != nil {