Force nodemon to install during the container setup

Docker now starts through nodemon directly

Dockerfile

@@ -3,7 +3,7 @@ FROM alpine:3.12 as frontend
 RUN apk add --no-cache \
   npm
 
-RUN npm install -g @angular/cli
+RUN npm install -g @angular/cli nodemon
 
 WORKDIR /build
 COPY [ "package.json", "package-lock.json", "/build/" ]
@@ -42,4 +42,4 @@ COPY --chown=$UID:$GID [ "/backend/", "/app/" ]
 
 EXPOSE 17442
 ENTRYPOINT [ "/app/entrypoint.sh" ]
-CMD [ "npm", "start" ]
+CMD [ "nodemon", "app.js" ]

backend/entrypoint.sh

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