upstream spanglish_frontend {
    server 127.0.0.1:3019;
}
upstream spanglish_backend {
    server 127.0.0.1:3018;
}
upstream spanglish_photo_api {
    server 127.0.0.1:3003;
}

limit_req_zone $binary_remote_addr zone=spanglish_photo_limit:10m rate=20r/s;
limit_req_zone $binary_remote_addr zone=spanglish_api_limit:10m rate=30r/s;