Host Laravel in a Nested Subfolder/Directory - Nginx Configuration

laravel-nested-subfolder-nginx.conf

server {
    listen 80;
    index index.php index.html;
    server_name localhost;
    error_log  /var/log/nginx/error.log;
    access_log /var/log/nginx/access.log;
    root /var/www/html/site;

    location / {
        try_files $uri $uri/ /index.php;
    }

    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass php_justinpaulhammond:9000; # I'm using Docker here, this is the name of my PHP container
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; # We use document root here only for the root directory.
        fastcgi_param PATH_INFO $fastcgi_path_info;
    }

    location /blog {
        alias /var/www/html/blog/laravel/public;
        try_files $uri $uri/ @blog;

        location ~ \.php$ {
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            fastcgi_pass php_justinpaulhammond:9000;
            fastcgi_index index.php;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME $request_filename; # We use SCRIPT_FILENAME here so routing works properly for the nested instance.
            fastcgi_param PATH_INFO $fastcgi_path_info;
        }
    }

    location @blog {
        rewrite /blog/(.*)$ /blog/index.php?/$1 last; # We create a named location here to workout the routes properly.
    }

}

It's extremely important that all your Laravel routes use the url and route helper and don't have links hardcoded, otherwise this won't work. Eg: <a href="{{ route('my-route') }}">.