Arsse/dist/nginx.conf

server {
    server_name example.com;
    listen 80; # adding HTTPS configuration is highly recommended
    root /usr/share/arsse/www; # adjust according to your installation path

    location / {
        try_files $uri $uri/ =404;
    }

    location @arsse {
        fastcgi_pass unix:/var/run/php/php7.2-fpm.sock; # adjust according to your system configuration
        fastcgi_pass_header Authorization; # required if the Arsse is to perform its own HTTP authentication
        fastcgi_pass_request_body on;
        fastcgi_pass_request_headers on;
        fastcgi_intercept_errors off;
        fastcgi_buffering off;
        fastcgi_param SCRIPT_FILENAME /usr/share/arsse/arsse.php; # adjust according to your installation path
        fastcgi_param REQUEST_METHOD  $request_method;
        fastcgi_param CONTENT_TYPE    $content_type;
        fastcgi_param CONTENT_LENGTH  $content_length;
        fastcgi_param REQUEST_URI     $uri;
        fastcgi_param HTTPS           $https if_not_empty;
        fastcgi_param REMOTE_USER     $remote_user;
    }

    # NextCloud News protocol
    location /index.php/apps/news/api {
        try_files $uri @arsse;

        location ~ ^/index\.php/apps/news/api/?$ {
            # this path should not be behind HTTP authentication
            try_files $uri @arsse;
        }
    }

    # Tiny Tiny RSS protocol
    location /tt-rss/api {
        try_files $uri @arsse;
    }

    # Tiny Tiny RSS feed icons
    location /tt-rss/feed-icons/ {
        try_files $uri @arsse;
    }

    # Tiny Tiny RSS special-feed icons; these are static files
    location /tt-rss/images/ {
        # this path should not be behind HTTP authentication
        try_files $uri =404;
    }

    # Fever protocol
    location /fever/ {
        # this path should not be behind HTTP authentication
        try_files $uri @arsse;
    }
}