Fixed issue (hopefully) where nodemon is not properly installed on Docker

Dockerfile

@@ -3,7 +3,7 @@ FROM alpine:3.12 as frontend
 RUN apk add --no-cache \
   npm
 
-RUN npm install -g @angular/cli nodemon
+RUN npm install -g @angular/cli
 
 WORKDIR /build
 COPY [ "package.json", "package-lock.json", "/build/" ]

backend/package.json

@@ -4,8 +4,9 @@
   "description": "backend for YoutubeDL-Material",
   "main": "index.js",
   "scripts": {
+    "preinstall": "npm i nodemon -g",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "nodemon -q app.js"
+    "start": "nodemon app.js"
   },
   "nodemonConfig": {
     "ignore": [
@@ -48,7 +49,7 @@
     "multer": "^1.4.2",
     "node-fetch": "^2.6.1",
     "node-id3": "^0.1.14",
-    "nodemon": "^2.0.2",
+    "nodemon": "^2.0.7",
     "passport": "^0.4.1",
     "passport-http": "^0.3.0",
     "passport-jwt": "^4.0.0",