FROM node:12-alpine

# dependencies: log filtering
RUN apk add --update jq \
 && rm -rf /var/cache/apk/* \
 && yarn global add bunyan
ENV PATH="${PATH}:$(yarn global bin)"

# copy config, which changes rarely
COPY docs/config.yml /root/.cautious-journey.yml

# copy package first, to invalidate other layers when version changes
COPY package.json /cautious-journey/package.json

# copy chunks, largest to smallest (entrypoint)
COPY out/vendor.js /cautious-journey/out/vendor.js
COPY out/main.js /cautious-journey/out/main.js
COPY out/index.js /cautious-journey/out/index.js

# set up as global cli tool
WORKDIR /cautious-journey
RUN yarn global add file:$(pwd)

ENTRYPOINT [ "node", "/cautious-journey/out/index.js" ]
CMD [ "--help" ]