add images

internal/config/config.go

@@ -8,6 +8,7 @@ import (
 
 const (
 	ClientPort = ":8100"
+	FilePort   = ":8120"
 )
 
 func GetStoryFilepath() string {
@@ -30,6 +31,18 @@ func GetHost() string {
 	return "http://" + ips[0] + ClientPort
 }
 
+func GetFileHost() string {
+	host := os.Getenv("FILE_HOST")
+	if host != "" {
+		return host
+	}
+	ips, err := getLocalIPs()
+	if err != nil || len(ips) == 0 {
+		return "http://127.0.0.1" + FilePort
+	}
+	return "http://" + ips[0] + FilePort
+}
+
 func getFilepath(env string, defaultFilepath string) string {
 	filepath := selectFilepath(env, defaultFilepath)
 	ensureDirExists(filepath)