Update Dockerfile

Dockerfile

@@ -1,13 +1,13 @@
-FROM node:latest
-
-WORKDIR /usr/src/app
-
+# build stage
+FROM node:lts-alpine as build-stage
+WORKDIR /app
 COPY package*.json ./
-
-RUN npm ci
-
+RUN npm install
 COPY . .
+RUN npm run build
 
+# production stage
+FROM nginx:stable-alpine as production-stage
+COPY --from=build-stage /app/dist /usr/share/nginx/html
 EXPOSE 80
-
-CMD ["npm", "run", "dev", "--", "--port", "80"]
+CMD ["nginx", "-g", "daemon off;"]