Docker Cloud9 Setup Script, run it using

docker-cloud9.sh

# run it using bash <(curl https://gist.githubusercontent.com/yihyang/0186b3b0817f8ea4f0014ea3380e661a/raw)

##########
# docker #
##########
# setup docker
docker run -it -d -p 80:80 kdelfour/cloud9-docker

########
# ruby #
########
# install the dependencies required for rbenv and Ruby
sudo apt-get -y install autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm3 libgdbm-dev

# install rbenv
git clone https://github.com/rbenv/rbenv.git ~/.rbenv

# adding PATH
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc

# source the installed rbenv
source ~/.bashrc

# install ruby version
rbenv install 2.5.1
rbenv global 2.5.1

#########
# NGINX #
#########
# install nginx
sudo apt-get update
sudo apt-get -y install nginx

# allowing nginx http access
sudo ufw allow 'Nginx HTTP'
systemctl status nginx