server {
    listen 80;
    server_name _;

    client_max_body_size 64m;

    location / {
        proxy_pass http://app:8000;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        # Overwrite client-supplied XFF so spoofing via the edge is not possible.
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host $host;
        proxy_read_timeout 120s;
    }
}