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Example: PHP_FPM

Docker Compose example with a remote PHP-FPM server.

This example uses mass virtual hosting, i.e.: it creates as many virtual hosts automatically as directories exist. This happens either during startup (initial setup) and also during run-time, whenever directories are created, renamed or removed. It will also provide SSL capable vhosts that you can view in your browser without SSL certificate warnings.

Try it out yourself and add a directory into the projects directory. As soon as you create one, a new virtual host will be created. Keep in mind that files are being served from the htdocs directory within your newly created project. (The htdocs directory can also be a symlink).

The MASS_VHOST_TLD_SUFFIX is set to .loc, so the project vhost name (its domain) will be: <directory-name>.loc

Example 1: During Startup

The projects directory already contains two projects:

  • sample
  • test

That means that during startup, two vhosts will be created:

  • sample.loc
  • test.loc

The files for each vhost are being served from:

  • projects/sample/htdocs (where htdocs symlinks to src/)
  • projects/test/htdocs

You can reach those two projects via:

# Ensure docker-compose is running
docker-compose up

# Now verify
curl http://localhost:8000 -H 'host: sample.loc'
curl http://localhost:8000 -H 'host: test.loc'

Example 2: During Run-time

In this example we add more projects during run-time

# Ensure docker-compose is running
docker-compose up

Now as the HTTP and PHP container are up and running, we can add more projects:

# Create project directory
# This will auto-create a new vhost 'it-works.tld'
mkdir projects/it-works/

# Add some code
mkdir projects/it-works/htdocs
echo '<?php echo "Yes";?>' > projects/it-works/htdocs/index.php

Now you can access it via:

curl http://localhost:8000 -H 'host: it-works.loc'

Note: The other two vhosts from Example 1 are still available.

Example 3: SSL and Browser access

You migth have noticed the ca/ directory. The HTTPD container also creates SSL certificates for all of the above described vhosts (and any you will create during startup- or run-time). This is done via a certificate authority, so that each vhost certificate was signed by a CA.

What is the benefit?

  1. You can import the CA files in the ca/ directory into your browser
  2. Add /etc/hosts entries: 
    127.0.0.1 sample.loc
127.0.0.1 test.loc
127.0.0.1 it-works.loc
  3. Access them through your browser via valid https