1. create a persistent volumes

docker volume create geminabox_data
docker volume create caddy_data

2. build and run

docker-compose -f docker-compose.yml build
docker-compose -f docker-compose.yml up

3. add entry to the vm hosts file

ssh ubuntu
sudo vi /etc/hosts
192.168.69.1 rubygems.org

without ssl

1. change the Gemfile source from https to http

#source 'http://rubygems.org'
source 'http://rubygems.org'

2. now do a bundle install

ssl flow - error prone

1. install root certificate

• copy from the container

docker cp geminabox-caddy-1:/data/caddy/pki/authorities/local/root.crt ~/Desktop/

• Mac install https://www.eduhk.hk/ocio/content/faq-how-add-root-certificate-mac-os-x

• install to ubuntu vm

sudo scp ~/Desktop/root.crt ubuntu:/usr/local/share/ca-certificates/
ssh ubuntu
sudo update-ca-certificates