docker production build

Dockerfile

@@ -1,20 +1,19 @@
-FROM node:12
-WORKDIR /react-docker
-COPY ./package*.json ./
-ENV PATH /app/node_modules/.bin:$PATH
+CMD PORT=8445 npm start #--host 0.0.0.0 --port 3000 --disableHostCheck true
+
+FROM node:14.20-alpine3.15
+
+WORKDIR /app
+
+COPY package*.json ./
+
 RUN npm install
-RUN npm i react@16.14.0
-RUN npm i react-scripts
-RUN npm audit fix
 
-EXPOSE 8445
+COPY . .
 
-# Comment as needed (Production / Dev)
-# [PROD] Use for Production
-# COPY . . # uncomment prod
+RUN npm run build --production
 
-# [DEV] Live Reload
-RUN mkdir -p /react-docker/src # comment for prod
-RUN mkdir -p /react-docker/public # comment for prod
+RUN npm install -g serve
 
-CMD PORT=8445 npm start #--host 0.0.0.0 --port 3000 --disableHostCheck true
+EXPOSE 8445
+
+CMD serve -p 8455 -s build