server {
    listen 80;
    listen [::]:80;
    server_name copyrightchina.cn www.copyrightchina.cn app.copyrightchina.cn;

    root /var/www/copyrightchina.cn/html;
    index index.html;

    location / {
        try_files $uri $uri/ /index.html;
    }

    # Public CopyrightChain verification proxy. This avoids browser CORS problems.
    location /cc-api/ {
        proxy_pass https://app.copyrightchain.it/;
        proxy_ssl_server_name on;
        proxy_set_header Host app.copyrightchain.it;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    location ~* \.(js|css|png|jpg|jpeg|webp|svg|ico)$ {
        expires 7d;
        add_header Cache-Control "public, max-age=604800, immutable";
        try_files $uri =404;
    }
}