Fix envsubst issue

README.md

@@ -6,7 +6,7 @@
 
 A fancy, easy-to-use and reactive self-hosted docker compose.yaml stack-oriented manager.
 
-![GitHub Repo stars](https://img.shields.io/github/stars/louislam/dockge?logo=github) ![GitHub issues](https://img.shields.io/github/issues/louislam/dockge?logo=github) ![GitHub pull requests](https://img.shields.io/github/issues-pr/louislam/dockge?logo=github) ![Docker Pulls](https://img.shields.io/docker/pulls/louislam/dockge?logo=docker) ![Docker Image Version (latest semver)](https://img.shields.io/docker/v/louislam/dockge/latest?label=docker%20image%20ver.) ![GitHub last commit (branch)](https://img.shields.io/github/last-commit/louislam/dockge/master?logo=github) ![GitHub](https://img.shields.io/github/license/louislam/dockge?logo=github)
+![GitHub Repo stars](https://img.shields.io/github/stars/louislam/dockge?logo=github) ![Docker Pulls](https://img.shields.io/docker/pulls/louislam/dockge?logo=docker) ![Docker Image Version (latest semver)](https://img.shields.io/docker/v/louislam/dockge/latest?label=docker%20image%20ver.) ![GitHub last commit (branch)](https://img.shields.io/github/last-commit/louislam/dockge/master?logo=github)
 
 <img src="https://github.com/louislam/dockge/assets/1336778/26a583e1-ecb1-4a8d-aedf-76157d714ad7" width="900" alt="" />
 

backend/util-common.ts

@@ -385,7 +385,11 @@ function traverseYAML(pair : Pair, env : DotenvParseOutput) : void {
             if (item instanceof Pair) {
                 traverseYAML(item, env);
             } else if (item instanceof Scalar) {
-                item.value = envsubst(item.value, env);
+                let value = item.value as unknown;
+
+                if (typeof(value) === "string") {
+                    item.value = envsubst(value, env);
+                }
             }
         }
     // @ts-ignore