[NORTHFLANK] updated Dockerfile contents

Dockerfile

@@ -1,57 +1,13 @@
-# syntax=docker/dockerfile:1.4
-
-# 1. For build React app
-FROM node:16 AS development
-
-# Set working directory
+FROM node:16 AS builder
 WORKDIR /app
-
-# 
-COPY package.json /app/package.json
-COPY package-lock.json /app/package-lock.json
-
-# Same as npm install
-RUN npm ci
-
-COPY . /app
-
-ENV CI=true
-ENV PORT=3000
-
-CMD [ "npm", "start" ]
-
-FROM development AS build
-
+COPY package*.json ./
+RUN npm install
+COPY . .
+ENV BUILD_PATH './build'
 RUN npm run build
 
-# 2. For Nginx setup
-FROM nginx:alpine
-
-# Copy config nginx
-RUN echo "server {" > /etc/nginx/conf.d/default.conf
-RUN echo "" >> /etc/nginx/conf.d/default.conf
-RUN echo "  listen 80;" >> /etc/nginx/conf.d/default.conf
-RUN echo "" >> /etc/nginx/conf.d/default.conf
-RUN echo "  location / {" >> /etc/nginx/conf.d/default.conf
-RUN echo "    root   /usr/share/nginx/html;" >> /etc/nginx/conf.d/default.conf
-RUN echo "    index  index.html index.htm;" >> /etc/nginx/conf.d/default.conf
-RUN echo "    try_files $uri /index.html =404;" >> /etc/nginx/conf.d/default.conf
-RUN echo "  }" >> /etc/nginx/conf.d/default.conf
-RUN echo "" >> /etc/nginx/conf.d/default.conf
-RUN echo "  error_page   500 502 503 504  /50x.html;" >> /etc/nginx/conf.d/default.conf
-RUN echo "" >> /etc/nginx/conf.d/default.conf
-RUN echo "  location = /50x.html {" >> /etc/nginx/conf.d/default.conf
-RUN echo "    root   /usr/share/nginx/html;" >> /etc/nginx/conf.d/default.conf
-RUN echo "  }" >> /etc/nginx/conf.d/default.conf
-RUN echo "}" >> /etc/nginx/conf.d/default.conf
-
+FROM nginx:alpine AS prod
 WORKDIR /usr/share/nginx/html
-
-# Remove default nginx static assets
-RUN rm -rf ./*
-
-# Copy static assets from builder stage
-COPY --from=build /app/build .
-
-# Containers run nginx with global directives and daemon off
-ENTRYPOINT ["nginx", "-g", "daemon off;"]
+COPY --from=builder /app/build .
+EXPOSE 80
+ENTRYPOINT ["nginx", "-g", "daemon off;"]