finished!

I really liked the scope part. That's cool. Didn't anyone else mentioning it.

I had to update the docker file
Modify lines 14-17 to be like this

Install base packages

RUN apt-get update -qq && \
apt-get install --no-install-recommends -y curl libjemalloc2 libsqlite3-0 libvips libpq-dev && \
rm -rf /var/lib/apt/lists /var/cache/apt/archives