Switched nodemon to foreverjs to hopefully enable restarting internally and fix runtime errors

Dockerfile

@@ -35,6 +35,7 @@ RUN apk add --no-cache \
 
 WORKDIR /app
 COPY --chown=$UID:$GID [ "backend/package.json", "backend/package-lock.json", "/app/" ]
+RUN npm install forever -g
 RUN npm install && chown -R $UID:$GID ./
 
 COPY --chown=$UID:$GID --from=frontend [ "/build/backend/public/", "/app/public/" ]
@@ -42,4 +43,4 @@ COPY --chown=$UID:$GID [ "/backend/", "/app/" ]
 
 EXPOSE 17442
 ENTRYPOINT [ "/app/entrypoint.sh" ]
-CMD [ "nodemon", "app.js" ]
+CMD [ "forever", "app.js" ]

backend/app.js

@@ -335,18 +335,11 @@ async function startServer() {
 }
 
 async function restartServer(is_update = false) {
-    const restartProcess = () => {
-        spawn('node', ['app.js'], {
-          detached: true,
-          stdio: 'inherit'
-        }).unref()
-        process.exit()
-    }
-    
     logger.info(`${is_update ? 'Update complete! ' : ''}Restarting server...`);
 
     // the following line restarts the server through nodemon
     fs.writeFileSync(`restart${is_update ? '_update' : '_general'}.json`, 'internal use only');
+    process.exit(1);
 }
 
 async function updateServer(tag) {

backend/entrypoint.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 set -eu
 
-CMD="nodemon app.js"
+CMD="forever app.js"
 
 # if the first arg starts with "-" pass it to program
 if [ "${1#-}" != "$1" ]; then

backend/package.json

@@ -4,7 +4,6 @@
   "description": "backend for YoutubeDL-Material",
   "main": "index.js",
   "scripts": {
-    "preinstall": "npm i nodemon -g",
     "test": "echo \"Error: no test specified\" && exit 1",
     "start": "nodemon app.js"
   },