react-express-mysql: use create-react-app template

Signed-off-by: Jérémie Drouet <jeremie.drouet@gmail.com>

react-express-mysql/frontend/Dockerfile

@@ -1,9 +1,20 @@
-FROM node:10
+FROM node:lts AS development
 
-RUN mkdir /project
-WORKDIR /project
+ENV CI=true
+ENV PORT=3000
 
-COPY . .
+WORKDIR /code
+COPY package.json /code/package.json
+COPY package-lock.json /code/package-lock.json
+RUN npm ci
+COPY . /code
 
-RUN yarn install
-CMD ["yarn", "run", "start"]
+CMD [ "npm", "start" ]
+
+FROM development AS builder
+
+RUN npm run build
+
+FROM nginx:1.13-alpine
+
+COPY --from=builder /code/build /usr/share/nginx/html