Virtual host style S3 requests (#5095)

cmd/common-main.go

@@ -57,7 +57,7 @@ func initConfig() {
 	// Config file does not exist, we create it fresh and return upon success.
 	if isFile(getConfigFile()) {
 		fatalIf(migrateConfig(), "Config migration failed.")
-		fatalIf(loadConfig(), "Unable to load config version: '%s'.", v19)
+		fatalIf(loadConfig(), "Unable to load config version: '%s'.", v20)
 	} else {
 		fatalIf(newConfig(), "Unable to initialize minio config for the first time.")
 		log.Println("Created minio configuration file successfully at " + getConfigDir())
@@ -117,4 +117,9 @@ func handleCommonEnvVars() {
 	}
 
 	globalHTTPTrace = os.Getenv("MINIO_HTTP_TRACE") != ""
+
+	globalDomainName = os.Getenv("MINIO_DOMAIN")
+	if globalDomainName != "" {
+		globalIsEnvDomainName = true
+	}
 }