Dockerfile

### STAGE 1: Build ###

# We label our stage as 'builder'
FROM node:8 as builder

COPY package.json package-lock.json ./

## Storing node modules on a separate layer will prevent unnecessary npm installs at each build
RUN yarn install && mkdir -p /ng-app && cp -R ./node_modules ./ng-app

WORKDIR /ng-app
COPY . .

## Build the angular app in production mode and store the artifacts in dist folder
RUN yarn build

### STAGE 2: Setup ###
FROM nginx:stable-alpine

## Remove default nginx website
RUN rm -rf /usr/share/nginx/html/*

## From 'builder' stage copy over the artifacts in dist folder to default nginx public folder
COPY --from=builder /ng-app/dist /usr/share/nginx/html

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]