fixed docker settings

client/Dockerfile

@@ -1,9 +1,12 @@
-FROM node:16.9.1-alpine3.11
+FROM node:16-alpine as build-step
+RUN mkdir /app
 WORKDIR /app
-COPY package*.json ./
+ENV PATH /app/node_modules/.bin:$PATH
+COPY package*.json /app
 RUN npm install
-# COPY . ./
-EXPOSE 3000
-RUN chown -R node /app/node_modules
-USER node
-CMD [ "npm", "start"]
+COPY . /app
+# USER node
+RUN npm run build
+
+FROM nginx:1-alpine
+COPY --from=build-step /app/build /usr/share/nginx/html

client/package.json

@@ -12,13 +12,14 @@
     "react-dom": "^17.0.2",
     "react-router-dom": "^5.3.0",
     "react-scripts": "4.0.3",
-    "web-vitals": "^1.1.2"
+    "web-vitals": "^1.1.2",
+    "serve": "^12.0.1"
   },
   "scripts": {
-    "start": "./node_modules/.bin/react-scripts start",
-    "build": "./node_modules/.bin/react-scripts build",
-    "test": "./node_modules/.bin/react-scripts test",
-    "eject": "./node_modules/.bin/react-scripts eject"
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
   },
   "eslintConfig": {
     "extends": [