Beaudev simple script to add a nginx vhost reverse proxying to a docker instance

beaudev_docker_nginx_proxy_host.sh

#!/bin/bash
# add vhost reverse proxy for new docker instance for nginx and restart nginx
# use like this : do_nginx_proxy_vhost subdir.example.com http://192.168.0.20:8080
function do_nginx_proxy_vhost() {
	
[ -z $1 -o -z $2 ] && echo "Give host and address" && return
host=$1
address=$2

[ -f /etc/nginx/sites-available/proxy_reverse_$host ] && (echo "Updating proxy for host: $host" && sudo rm /etc/nginx/sites-enabled/proxy_reverse_$host) || echo "Creating proxy for host: $host"

sudo bash <<EOF
echo 'server {
  server_name $host;
  location / {
	  proxy_redirect off;
	  proxy_set_header Host \$host ;
	  proxy_set_header X-Real-IP \$remote_addr ;
	  proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for ;
	  proxy_pass $address;
  }
}' &> /etc/nginx/sites-available/proxy_reverse_$host
EOF

sudo ln -s /etc/nginx/sites-available/proxy_reverse_$host /etc/nginx/sites-enabled/proxy_reverse_$host
sudo service nginx restart 

}