frontend: fix Webpack issue on building Docker image

frontend/Dockerfile

@@ -1,5 +1,5 @@
 # Build environment
-FROM node as builder
+FROM node:14 as builder
 
 RUN mkdir /usr/src/app
 
@@ -18,10 +18,6 @@ COPY ./src /usr/src/app/src/
 COPY ./*.sh /usr/src/app/
 COPY ./*.json /usr/src/app/
 
-# There were issues with the webpack installer from package.json
-RUN rm -rf /usr/src/app/node_modules/webpack
-#RUN yarn add webpack@4.42.0
-
 RUN yarn build
 
 # Production environment

frontend/package.json

@@ -57,7 +57,7 @@
     "shellwords": "^0.1.1",
     "simplebar": "^4.2.3",
     "styled-components": "^4.4.0",
-    "webpack": "^4.42.0",
+    "webpack": "4.44.2",
     "websocket": "^1.0.30",
     "yaml": "^1.7.2",
     "yamljs": "^0.3.0",