worker_processes 1;

events {
    worker_connections 1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

    server {
        listen 80;
        server_name localhost;

        # Serve the React SPA on the root path
        location / {
            root /var/www/html/spa;
            index index.html;
            try_files $uri $uri/ /index.html;
        }

        # Proxy /api requests to the backend container
        location /api/ {
            proxy_pass http://api:8000/;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        # Serve SnappyMail on /mail
        location ^~ /mail/ {
            alias /var/www/html/mail/;
            index index.php index.html;
            
            # Need a specific regex for PHP files inside alias
            location ~ \.php$ {
                if (!-f $request_filename) {
                    return 404;
                }
                fastcgi_pass 127.0.0.1:9000;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $request_filename;
                include fastcgi_params;
            }

            # Deny access to SnappyMail data folder
            location ^~ /mail/data {
                deny all;
            }
        }
    }
}