My deployment script to pull and run a docker-contained clojure web application

deploy.bash

id=$(docker ps | grep myimage:latest | awk '{ print $1 }')

docker pull quay.io/nnarhinen/myimage
new_id=$(docker run -d -p 3000 \
                 -e ENVIRONMENT=PRODUCTION quay.io/nnarhinen/myimage)

id=$new_id ./update-nginx-port.bash
docker stop $id

myapplication.com.conf

server {
        listen 443;

        server_name myapplication.conf;

        location / {
                proxy_pass http://localhost:${container_port};
                proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
                proxy_redirect off;
                proxy_buffering 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;
        }

        ssl on;
        ssl_certificate /etc/nginx/ssl/myapplication.com/server.crt;
        ssl_certificate_key /etc/nginx/ssl/myapplication.com/server.key;

        ssl_session_timeout 5m;

        ssl_protocols SSLv3 TLSv1;
        ssl_ciphers ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv3:+EXP;
        ssl_prefer_server_ciphers on;
}

update-nginx-port.bash

#!/bin/bash

if [ -z "$id" ]
then
        id=$(docker ps | grep myimage:latest | awk '{ print $1 }')
fi
port=$(docker port $id 3000 | awk -F':' '{ print $2 }')
echo "Waiting for http://localhost:$port"
until curl -s "http://localhost:$port" > /dev/null
do
        echo "Waiting for service to wake up"
        sleep 5
done

cat myapplication.com.confg | sed -e "s/\${container_port}/$port/" > /etc/nginx/sites-available/myapplication.com
/etc/init.d/nginx reload