AWS

Install PHP-FPM with Apache on Ubuntu 18.04 – EC2 AWS

Install PHP-FPM with Apache on Ubuntu 18.04 on EC2 AWS. There are two distinct options to run PHP using the web server. One is using the PHP’s CGI and the other one is FPM.

FPM is a process manager to manage the FastCGI in PHP. Apache ships with mod_php by default and works with all major web servers. With mod_php there is a little performance issue because it locks out the process.

You can also configure PHP-FPM pools to run as the different user that owns the website if you are hosting multiple websites on your server in a chroot environment setup.

In this guide you are learn how to setup PHP 7.4-FPM and configure it with Apache and also setup PHP 7.4-FPM pools.

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Prerequisites

  1. A running EC2 Instance. Learn how to create an AWS EC2 instance.
  2. Assigned a Elastic IP to your EC2 Instance.
  3. Setup and configure Route 53 and point your domain to AWS.
  4. Successful SSH connection to your EC2 Instance.

SSH to your EC2 Instance and perform the steps listed below.

Initial Server Setup

Let’s start by updating the local package index with the following command to the latest available version.

sudo apt update
sudo apt upgrade

Once the update is done you can start installing the required packages.

Add PPA for PHP 7.4

Add the ondrej/php which has PHP 7.4 package and other required PHP extensions.

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update

Once you have added the PPA you can install PHP 7.4.

Install PHP 7.4 FPM

Now we shall install PHP 7.4-FPM and some common modules to run a PHP application like WordPress.

sudo apt install php7.4-fpm php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-soap php7.4-zip php7.4-bcmath -y

Wait for the installation to complete.

Once the installation is complete verify the installation using the following command.

sudo service php7.4-fpm status

You will receive an output similar to the one below.

Output
● php7.4-fpm.service - The PHP 7.4 FastCGI Process Manager
    Loaded: loaded (/lib/systemd/system/php7.4-fpm.service; enabled; vendor preset: enabled)
    Active: active (running) since Thu 2020-01-09 08:36:51 UTC; 1min 48s ago
      Docs: man:php-fpm7.4(8)
  Main PID: 15920 (php-fpm7.4)
    Status: "Processes active: 0, idle: 2, Requests: 0, slow: 0, Traffic: 0req/sec"
     Tasks: 3 (limit: 669)
    CGroup: /system.slice/php7.4-fpm.service
            ├─15920 php-fpm: master process (/etc/php/7.4/fpm/php-fpm.conf)
            ├─15938 php-fpm: pool www
            └─15939 php-fpm: pool www

Install Apache

Once you have your PHP-FPM up and running you can install Apache web server.

sudo apt install apache2

Configure Apache with PHP-FPM

By default Apache will use mod_php so now you can configure Apache to use PHP-FPM.

Disable the default Apache vhost configuration.

sudo a2dissite 000-default

Enable proxy_fcgi module.

sudo a2enmod proxy_fcgi

Create a new Apache vhost configuration.

sudo nano /etc/apache2/sites-available/cloudbooklet.conf

Paste the below configuration in the file.

<VirtualHost *:80>
     ServerName External_IP_Address
     DocumentRoot /var/www/html

     <Directory /var/www/html>
          Options Indexes FollowSymLinks
         AllowOverride All
         Require all granted
     </Directory>

     <FilesMatch ".php$"> 
         SetHandler "proxy:unix:/var/run/php/php7.4-fpm.sock|fcgi://localhost/"          
      </FilesMatch>
 
      ErrorLog ${APACHE_LOG_DIR}/error.log
      CustomLog ${APACHE_LOG_DIR}/access.log combined  
</VirtualHost> 

Hit CTRL + X followed by Y and Enter to save and exit the file.

Now you can enable the new Apache configuration.

sudo a2ensite cloudbooklet.conf

Restart Apache.

sudo service apache2 restart

Test PHP-FPM with Apache

Here we have configured /var/www/html as the webroot in the Apache configuration. So now you can navigate into that directory and create a phpinfo file to check the setup.

cd /var/www/html
sudo nano info.php

Paste the following.

<?php phpinfo;

Hit CTRL + X followed by Y and Enter to save and exit the file.

Now go your browser and point it to your server IP address or domain name followed by the info.php. So your address will look like this http://IP_Address/info.php

You will see the detailed PHP information page and confirm PHP-FPM is used with Apache.

PHP-FPM Configuration

PHP INI: /etc/php/7.4/fpm/php.ini

Pool config: /etc/php/7.4/fpm/pool.d/www.conf

Create New PHP-FPM Pool with different user

By default Nginx and Apache runs as www-data user. PHP-FPM www.conf is also configured to run as www-data user. If you have multiple websites and wish to keep them isolated with chrooted setup and run them with their own user. You can create multiple PHP-FPM pools with different users.

Create a new PHP-FPM pool configuration.

sudo nano /etc/php/7.4/fpm/pool.d/user1.conf

Paste the following.

[user1]
user = user1
group = group1

listen = /run/php/php7.4-fpm-user1.sock

listen.owner = www-data
listen.group = www-data

pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3

Now create a new Apache vhost configuration file and set the handler to the new pool you have created.

sudo nano /etc/apache2/sites-available/site1.conf
<VirtualHost *:80>
     ServerName domain.com
     DocumentRoot /var/www/html/site1

     <Directory /var/www/html/site1>
          Options Indexes FollowSymLinks
         AllowOverride All
         Require all granted
     </Directory>

     <FilesMatch ".php$"> 
         SetHandler "proxy:unix:/var/run/php/php7.4-fpm-user1.sock|fcgi://localhost/"          
      </FilesMatch>
 
      ErrorLog ${APACHE_LOG_DIR}/error.log
      CustomLog ${APACHE_LOG_DIR}/access.log combined  
</VirtualHost> 

Enable new site.

sudo a2ensite site1.conf

Make sure the new site webroot is owned by the user specified in the pool configuration and inside the specified group.

Restart Services

Once the configuration is completed you need to restart PHP-FPM and Apache for the changes to take effect.

sudo php-fpm7.4 -t
sudo service php7.4-fpm restart
sudo service apache2 restart

You can create as many pools you like using the above mentioned setup with PHP-FPM. These are the flexibility available with PHP-FPM.

Conclusion

Now you have learned how to install PHP 7.4-FPM with Apache and configure Apache. You have also learned to setup PHP-FPM pools for multiple users.

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