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Created August 5, 2012 11:49
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Deploy your site with git
Raw
README.md

Deploy your site with git

This gist assumes:

  • you have a local git repo
  • with an online remote repository (github / bitbucket etc)
  • and a cloud server (Rackspace cloud / Amazon EC2 etc)
    • your (PHP, Java, Perl, RoR, JSP) scripts are served from /var/www/html/
    • your webpages are executed by apache
    • apache's home directory is /var/www/
    • (this describes a pretty standard apache setup on Redhat / Ubuntu / CentOS / Amazon AMI etc)

1 - On your local machine

1.1 - Grab a deployment script for your site

1.2 - Add, commit and push this to github

    git add deploy.php
    git commit -m 'Added the git deployment script'
    git push -u origin master

2 - On your server

2.1 - Install git...

After you've installed git, make sure it's a relatively new version - old scripts quickly become problematic as github / bitbucket / whatever will have the latests and greatest, if you don't have a recent version you'll need to figure out how to upgrade it :-)

    git --version

...on CentOS 5.6

    # Add a nice repo
    rpm -Uvh http://repo.webtatic.com/yum/centos/5/latest.rpm
    # Install git
    yum install --enablerepo=webtatic git-all

...using generic yum

    sudo yum install git-core

2.2 - Setup git

    # Setup
    git config --global user.name "Server"
    git config --global user.email "[email protected]"

2.3 - Create an ssh directory for the apache user

    sudo mkdir /var/www/.ssh
    sudo chown -R apache:apache /var/www/.ssh/

2.4 - Generate a deploy key for apache user

    sudo -Hu apache ssh-keygen -t rsa # choose "no passphrase"
    sudo cat /var/www/.ssh/id_rsa.pub

3 - On your git origin (github / bitbucket)

Add the deploy key to your repo

  1. https://github.com/you/yourapp/admin/keys
  2. Paste the deploy key you generated on the EC2 machine

##Set up service hook in github

  1. https://github.com/oodavid/1DayLater/admin/hooks
  2. Select the Post-Receive URL service hook
  3. Enter the URL to your update script - http://example.com/github.php
  4. Click Update Settings

4 - On the Server

Pull the code

    cd /var/www/
    sudo chown -R apache:apache html
    sudo -Hu apache git clone [email protected]:you/yourapp.git html

Rejoice!

Now you're ready to go :-)

Some notes

  • At this point you should be able to push to github and your site will automatically pull down code from github
  • You can manually trigger a pull by hitting http://example.com/github.php in your browser etc (you'll see the output too)
  • It would be trivial to setup another repo on your EC2 box for different branches (develop, release-candidate etc) - repeat most of the steps but checkout a branch after pulling the repo down

Sources

Raw
deploy.php
<?php
/**
* GIT DEPLOYMENT SCRIPT
*
* Used for automatically deploying websites via github or bitbucket, more deets here:
*
* https://gist.github.com/1809044
*/
// The commands
$commands = array(
'echo $PWD',
'whoami',
'git pull',
'git status',
'git submodule sync',
'git submodule update',
'git submodule status',
);
// Run the commands for output
$output = '';
foreach($commands AS $command){
// Run it
$tmp = shell_exec($command);
// Output
$output .= "<span style=\"color: #6BE234;\">\$</span> <span style=\"color: #729FCF;\">{$command}\n</span>";
$output .= htmlentities(trim($tmp)) . "\n";
}
// Make it pretty for manual user access (and why not?)
?>
<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title>GIT DEPLOYMENT SCRIPT</title>
</head>
<body style="background-color: #000000; color: #FFFFFF; font-weight: bold; padding: 0 10px;">
<pre>
. ____ . ____________________________
|/ \| | |
[| <span style="color: #FF0000;">&hearts; &hearts;</span> |] | Git Deployment Script v0.1 |
|___==___| / &copy; oodavid 2012 |
|____________________________|
<?php echo $output; ?>
</pre>
</body>
</html>
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