Deployment Docker Script

docker-deploy.sh

#!/usr/bin/env bash
set -e
 
echo '>>> Get old container id'
CID=$(sudo docker ps | grep "project" | awk '{print $1}')
echo $CID
 
echo '>>> Building new image'
# Due to a bug in Docker we need to analyse the log to find out if build passed (see https://github.com/dotcloud/docker/issues/1875)
sudo docker build ./deploy | tee /tmp/docker_build_result.log
RESULT=$(cat /tmp/docker_build_result.log | tail -n 1)
if [[ "$RESULT" != *Successfully* ]];
then
  exit -1
fi
 
echo '>>> Tagging new image'
NEW=$(sudo docker ps -a -q | head -n 1)
sudo docker commit $NEW project
 
 
echo '>>> Stopping old container'
if [ "$CID" != "" ];
then
  sudo docker stop $CID
fi
 
 
echo '>>> Restarting docker'
sudo service docker restart
sleep 5
 
 
echo '>>> Starting new container'
sudo docker run -p 3000:80 -d project /usr/bin/supervisord --nodaemon
 
 
echo '>>> Cleaning up containers'
sudo docker ps -a | grep "Exit" | awk '{print $1}' | while read -r id ; do
  sudo docker rm $id
done
 
 
echo '>>> Cleaning up images'
sudo docker images | grep "^<none>" | head -n 1 | awk 'BEGIN { FS = "[ \t]+" } { print $3 }'  | while read -r id ; do
  sudo docker rmi $id
done