Nginx

Base fastcgi

# any php file
location ~ \.php$ {
    # drop 404 on file not found
    try_files $fastcgi_script_name =404;

    # or route to index.php on file not found
    #try_files $fastcgi_script_name /index.php?$args;

    fastcgi_pass unix:/var/run/php5-fpm.sock;
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
}

Fastcgi white list

location ~ ^/(index|app|config|some/api)\.php(/|$) {
    fastcgi_pass unix:/var/run/php5-fpm.sock;
    fastcgi_split_path_info ^(.+\.php)(/.+)$;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
}

Forward by ip address

location / {
    access_log off;
    proxy_pass http://{ip};
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

Thumbor server

server {
    listen 80;
    server_name uploads.example.com;

    location ~ ^.+\.(jpeg|gif|png|jpg) {
        access_log off;
        add_header Cache-control "public";
        expires 90d;

        proxy_pass http://127.0.0.1:8890;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}