Dockerfile.prod

# 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 ./
# Can potentially speed up the build times by using npm install --production and removing lint run 
# on next build
RUN npm install

# Copy all files
COPY ./ ./

# Build app
RUN npm run build

# expose port
EXPOSE 3000

# Give ownership of /app folder to the node user that will be running the 
# npm start script
RUN chown -Rh node:node /app

# Run container as non-root (unprivileged) user
# The node user is provided in the Node.js Alpine base image
USER node

# Run npm start script when container starts
CMD [ "npm", "start" ]