Problem With Home page in ruby on Rails

Hi

I had developed a application in ruby on rails and deployed with the help of this link https://www.digitalocean.com/community/tutorials/how-to-automate-ruby-on-rails-application-deployments-using-capistrano and i have set ruby application correctly ngnix/default.conf file also but when trying to access my application through ip address its showing 404 Not Found in my browser but i have tested with html test page with same path its working fine and this is what my conf files

 server {
    listen       80;
    server_name  xxx.xxx.xxx.xxx;
    root /home/deployer/app-name/current/app/views/sessions/login.html.erb;
    passenger_enabled on;

    #charset koi8-r;
    access_log  /var/log/nginx/alemany.access.log  main;
    error_log /var/log/nginx/alemany.error.log;
    
    #root   /usr/share/nginx/html;
    #index index.php index.html index.htm ;
    
    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }

    location ~ \.php$ {
        try_files $uri =404;
        include fastcgi_params;
        fastcgi_pass unix:/var/run/php-fpm.sock; 
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }
}