skynet-webportal/docker/nginx/conf.d/include/location-skynet-registry

include /etc/nginx/conf.d/include/cors;
include /etc/nginx/conf.d/include/sia-auth;
include /etc/nginx/conf.d/include/track-registry;

limit_req zone=registry_access_by_ip burst=600 nodelay;
limit_req zone=registry_access_by_ip_throttled burst=200 nodelay;

proxy_set_header User-Agent: Sia-Agent;
proxy_read_timeout 600; # siad should timeout with 404 after 5 minutes
proxy_pass http://siad/skynet/registry;

access_by_lua_block {
    -- this block runs only when accounts are enabled
    if os.getenv("ACCOUNTS_ENABLED") ~= "true" then return end

    local res = ngx.location.capture("/accounts/user/limits", { copy_all_vars = true })
    if res.status == ngx.HTTP_OK then
        local json = require('cjson')
        local limits = json.decode(res.body)
        if limits.registry > 0 then
            ngx.sleep(limits.registry / 1000)
        end
    end
}