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Amazon EC2: Apache, Git, Website Hosting with Cloud-Init

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Amazon EC2: Apache, Git, Website Hosting with Cloud-Init

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Lately I’ve enjoyed working with static web sites. My company’s web pages were previously powered by Wordpress and now they’re just static html pages. There’s few things I especially like with a static web site when compared to other solutions:

  • Performance
  • Hosting options
  • Ease of deployment

Performance

Even though I find the Wordpress near great with all its plugins and themes, the previous web site never felt fast enough. With a static web site you usually don’t have to worry about the performance.

Hosting options

You can host the static site almost everywhere: You don’t need ASP.NET or PHP. You just need a web server like IIS or Apache. Or GitHub.The web server can be run using for example Amazon EC2.

Ease of deployment

In addition to pros mentioned above a static web site is also easy to deploy: There’s no need for a database or configuration. In my case the company web site (html, css and js) is available from a GitHub repository. To host the site on a new web server requires only a Git Clone to the correct directory.

Using Amazon EC2 to host the web site: Automating the deployment

Given that the static web site is available using Git and because we only need a web server to host the site, we can automate the site’s deployment. Here’s how we can do it using Amazon EC2:

1. Launch new instance

Start the Quick Launch Wizard and select Amazon Linux AMI:

image

Amazon Linux supports the configuration of the launch process using cloud-init. Unfortunately I haven’t found any really good examples of using the cloud-init but here’s couple sources: A thread in AWS forums and the following source.

2. Make sure that the instance’s firewall allows the web traffic through

By default the TCP port 80 is blocked. Select a security group which allows the traffic through or create a new security group:

image

3. Input the cloud-init into the “User Data” –field

Here’s a cloud-init initialization code which does the following things:

  1. Installs Apache
  2. Installs Git
  3. Starts the web server
  4. Clones the web site from GitHub into the web server’s root
#cloud-config
packages:
 - httpd
 - git
 
runcmd:
 - [ /etc/init.d/httpd, restart ]
 - [ git, clone, "-b", "gh-pages", "git://github.com/mikoskinen/softwaremkwebsite.git", "/var/www/html"]

Here’s how the cloud-init initialization code can be set when launching a new Amazon EC2 instance:

 image

And that’s it. After few minutes the Amazon EC2 is ready and hosting the static web site:

image

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