Dockerfile

FROM node:8.10.0 as builder

# create app directory in container
RUN mkdir -p /app

# set /app directory as default working directory
WORKDIR /app

# only copy package.json initially so that `RUN yarn` layer is recreated only
# if there are changes in package.json
ADD package.json yarn.lock /app/

# --pure-lockfile: Don’t generate a yarn.lock lockfile
RUN yarn --pure-lockfile

# copy all file from current dir to /app in container
COPY . /app/
RUN yarn copy
RUN yarn babel

FROM node:8.10.0

WORKDIR /app

COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules

# expose port 4000
EXPOSE 4000

## THE LIFE SAVER
ADD https://github.com/ufoscout/docker-compose-wait/releases/download/2.2.1/wait /wait
RUN chmod +x /wait

## Launch the wait tool and then your application
CMD /wait && node dist/index.js

# cmd to start service
#CMD [ "node", "dist/index.js"]