Docker : How to deploy?

1. Docker : deploy
Eric Ahn
2016/06

2. Sample : Node.js
In Dev PC,
$ cd ./sample/app.js
var express = require(‘express’)
var app = express();
app.get([‘/‘, ‘/index.html’], function(req, res) {
res.send(‘Hello Docker’);
});
app.listen(80);

3. Ubuntu Server
$ Vagrantfile
# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure(2) do |config|
config.vm.box = "hashicorp/precise64"
config.vm.box_version = “1.1.0"
config.vm.host_name = 'git-serveer'
config.vm.network "private_network", ip: "192.168.100.10"
config.vm.network "forwarded_port", guest: 80, host: 8080
end
$ vagrant up

4. https://docs.docker.com/engine/installation/linux/ubuntulinux/
$ vagrant ssh
$ sudo apt-get update
$ sudo apt-get install linux-image-generic-lts-trusty
$ sudo reboot
$ sudo apt-get update
$ sudo apt-cache policy docker-engine
$ sudo apt-get install docker-engine=1.10.3-0~precise
$ sudo service docker start
$ sudo docker run -it ubuntu bash

5. git
SSH key-gem
git repository
DEV machine
docker
git
git repository
Server
Test Env.

6. git
SSH key-gem
git repository
DEV machine
docker
git
git repository
Server
~/.ssh/id_rsa.pub
~/.ssh/authorized_keys
1) Set up “ssh”

7. git
SSH key-gem
git repository
DEV machine
docker
git
git repository
Server
2) git push
2) git push

8. git
SSH key-gem
git repository
DEV machine
docker
git
git repository
Server
2) post-receive
2) build with post-receive of git

9. #!/bin/bash
APP_NAME=exampleapp
APP_DIR=$HOME/$APP_NAME
REVISION=$(expr substr $(git rev-parse --verify HEAD) 1 7)
GIT_WORK_TREE=$APP_DIR git checkout -f
cd $APP_DIR
sudo docker build --tag $APP_NAME:$REVISION .
sudo docker stop $APP_NAME
sudo docker rm $APP_NAME
sudo docker run -d --name $APP_NAME -p 80:80 $APP_NAME:$REVISION
post-receive shell