//make a file called Docker
FROM node:latest
//sets a folder
RUN mkdir -p /app/src
//sets working directory
WORKDIR /app/src
//copy the package
COPY package.json .
//runs npm install
RUN npm install
COPY . .
//exposes port 3000
EXPOSE 3000
//runs the comand npm start
CMD ["npm", "start"]
# pull official base image
FROM node:13.12.0-alpine
# set working directory
WORKDIR /app
# add `/app/node_modules/.bin` to $PATH
ENV PATH /app/node_modules/.bin:$PATH
# install app dependencies
COPY package.json ./
COPY package-lock.json ./
RUN npm install --silent
RUN npm install react-scripts@3.4.1 -g --silent
# add app
COPY . ./
# start app
CMD ["npm", "start"]