hackernews-react-graphql/Dockerfile at master · 4dcoder/hackernews-react-graphql · GitHub

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# DEV BUILD STEP

FROM node:8.7-alpine as devBuild

WORKDIR /usr/src/app

RUN yarn

# Copy the source and build

# Build script uses --dev flag to get the right dependencies

COPY . .

RUN yarn run build:prod

# PROD BUILD STEP

# Using latest LTS release of Node (comes with Yarn package manager by default)

FROM node:8.7-alpine

# Create an app directory on the container

WORKDIR /usr/src/app

ENV NODE_ENV=production

# Project copy build, install dependencies

COPY --from=devBuild /usr/src/app/build/app ./build/app

COPY package.json yarn.lock README.md ./

RUN yarn install --prod

# Install curl to do healthchecks

RUN apk add curl --no-cache

# Expose the container port to the OS

# docker run takes -p argument to forward this port to network

EXPOSE 3000

# Start the application

CMD [ "yarn", "start" ]

HEALTHCHECK CMD curl --silent --fail http://localhost:3000/ || exit 1

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