FROM node:10.15.3-alpine
# Create app directory
RUN mkdir /opt/app && chown node:node /opt/app
RUN apk add --update git && \
rm -rf /tmp/* /var/cache/apk/*
WORKDIR /opt/app
USER node
# Install app dependencies
# A wildcard is used to ensure both package.json AND package-lock.json are copied
# where available (npm@5+)
COPY package*.json ./
COPY webpack*.js ./
# Babel 7 presets and plugins
COPY babel.config.js ./
# Bundle app source
COPY src ./src
# Run the scripts defined in package.json
RUN npm install && npm run build
EXPOSE 3001
# Express server handles the backend functionality and also serves the React app
CMD ["node", "dist/server"]