# A shell script for setting up a Vultr box with docker, docker-compose, vim, tmux and a deploy user
# This is the most equivalent I could find to a t2.small on a CentOS 7 x64 system - 1 VCP, 2 Gig Ram, 40 Gig. disk


# Install required to run docker etc.
yum install -y tmux docker git docker-compose


# Create deploy user and add your public key to login
useradd deploy
mkdir /home/deploy/.ssh
chmod 700 /home/deploy/.ssh

vim /home/deploy/.ssh/authorized_keys # Add you public key
chmod 400 /home/deploy/.ssh/authorized_keys
chown deploy:deploy /home/deploy -R


# Add depoy user to the sudo group visudo - Comment all existing user/group grant lines and add:
root    ALL=(ALL) ALL
deploy  ALL=(ALL) ALL


# Disable root and lock down the user per an IP Address as well as public key
vim /etc/ssh/sshd_config

PermitRootLogin no
PasswordAuthentication no
AllowUsers deploy@xxx.xxx.xxx.xxx deploy@yyy.yyy.yyy.yyy
service ssh restart