In previous part of nginx vhost configuration, we've configured nginx to serve Drupal site directly (i.e. "http://example.com"). In this part we're going to configure nginx to serve Drupal as a sub-directory. For e.g. "http://localhost/drupal" or "http://example.com/subsite".

We're going to use similar configuration as part 1 with minor tweak.

NOTE :

  • Change "SERVER_NAME" to actual domain name you want to use. For e.g. example.com
  • Change "PHP_FPM_VERSION" to PHP FPM version installed on server. I've php 7.2 installed with fpm on my machine, so I'll be using php7.2-fpm as PHP-FPM version.
    For e.g. fastcgi_pass unix:/run/php/php7.2-fpm.sock
  • Change "SSL_CERTIFICATE_NAME" to actual SSL Certificate file name and its location. For e.g. example.com.pem and example.com.key
# VHOST Config.
server {
  server_name SERVER_NAME;
  root /var/www/html;
  listen 80;
  # Add headers.
  add_header Strict-Transport-Security 'max-age=31536000;';
  add_header X-XSS-Protection "1; mode=block" always;
  # Handle error pages;
  location = /favicon.ico {
    log_not_found off;
    access_log off;
  }
  # Handle robots.txt separately
  location = /robots.txt {
    allow all;
    log_not_found off;
    access_log off;
  }
  # Prevent access to files directly.
  location ~ .*\.config$ {
    return 403;
  }
  location ~ \..*/.*\.php$ {
    return 403;
  }
  location ~ \..*/.*\.yml$ {
    return 403;
  }
  location ~ /composer.*$ {
    return 403;
  }
  # Prevent any hidden files (.htaccess, .gitignore)
  location ~ (^|/)\. {
    return 403;
  }
  location ~ ^/sites/.*/private/ {
    return 403;
  }
  location / {
    try_files $uri $uri/ =404;
  }
  # Re-write URLs to start with index.php
  location @subsite {
    try_files $uri /SUB_DIRECTORY/index.php?$query_string;
  }
  location /SUB_DIRECTORY/ {
    try_files $uri $uri/ @subsite;
  }
  location ~ '\.php$|^/update.php' {
    # Allow sub-pages after update.php
    fastcgi_split_path_info ^(.+?\.php)(|/.*)$;
    #NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
    include fastcgi_params;
    include snippets/fastcgi-php.conf;
    fastcgi_param SCRIPT_FILENAME $request_filename;
    fastcgi_intercept_errors on;
    fastcgi_pass unix:/run/php/PHP_FPM_VERSION.sock;
  }
  # Set expiration for media, CSS and JS files.
  location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
    expires max;
    log_not_found off;
    proxy_cache_bypass 1;
  }

}

Above vhost configuration works in Ubuntu, but for this to get working in CentOS, we've to update vhost configuration for "update.php" as below :

  # For CentOS
  location ~ '\.php$|^/update.php' {
    include /etc/nginx/fastcgi_params;
    fastcgi_pass  127.0.0.1:9000;
    fastcgi_index index.php;
    # Allow sub-pages after update.php
    fastcgi_split_path_info ^(.+?\.php)(|/.*)$;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
  }

Reference: