listen "/tmp/unicorn.app_one.sock"

upstream app_one {
    # Path to Unicorn SOCK file, as defined previously
    server unix:/tmp/unicorn.app_one.sock fail_timeout=0;
}

upstream app_two {
    server unix:/tmp/unicorn.app_two.sock fail_timeout=0;
}

server {
    listen 80;
    server_name domain-for-app_one.com;

    # Application root, as defined previously
    root /root/app_one/public;

    try_files $uri/index.html $uri @app;

    location @app {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_pass http://app_one;
    }

    error_page 500 502 503 504 /500.html;
    client_max_body_size 4G;
    keepalive_timeout 10;
} 

server {
    listen 80;
    server_name domain-for-app_two.com;

    # Application root, as defined previously
    root /root/app_two/public;

    try_files $uri/index.html $uri @app;

    location @app {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_pass http://app_two;
    }

    error_page 500 502 503 504 /500.html;
    client_max_body_size 4G;
    keepalive_timeout 10;
}