Updated node version (18 is now LTS) in dockerfile

Dockerfile

@@ -1,13 +1,13 @@
 # Stage 1 - Building the backend
-FROM node:16-alpine as backendBuilder
+FROM node:18-alpine as backendBuilder
 WORKDIR /usr/app
 COPY /new-backend/package*.json ./
 RUN npm ci
 COPY ./new-backend .
 RUN npm run compile
 
 # Stage 2 - Building the client
-FROM node:16-alpine as clientBuilder
+FROM node:18-alpine as clientBuilder
 WORKDIR /usr/app
 COPY /new-client/package*.json ./
 RUN npm ci --ignore-scripts
@@ -17,7 +17,7 @@ RUN mv ./public/appConfig.docker.json ./public/appConfig.json
 RUN npm run build --ignore-scripts
 
 # Stage 3 - Building the admin
-FROM node:16-alpine as adminBuilder
+FROM node:18-alpine as adminBuilder
 WORKDIR /usr/app
 COPY /new-admin/package*.json ./
 RUN npm ci --ignore-scripts
@@ -27,7 +27,7 @@ RUN mv ./public/config.docker.json ./public/config.json
 RUN npm run build --ignore-scripts
 
 # Stage 4 - Combine everything and fire it up
-FROM node:14-alpine
+FROM node:18-alpine
 WORKDIR /usr/app
 COPY /new-backend/package*.json ./
 RUN npm ci --production