multi-region.tf

condition {
  name      = "request_is_us"
  statement = "req.http.X-Geoip-Continent ~ \"(NA|SA|OC|AS)\" || (!F_eu_origin.healthy && F_us_origin.healthy)"
  type      = "REQUEST"
  priority  = 100
}

condition {
  name      = "request_is_eu"
  statement = "req.http.X-Geoip-Continent !~ \"(NA|SA|OC|AS)\" || (!F_us_origin.healthy && F_eu_origin.healthy)"
  type      = "REQUEST"
  priority  = 100
}

backend {
  name = "us_origin"
  request_condition = "request_is_us"
  healthcheck = "us_healthcheck"
}

backend {
  name = "eu_origin"
  request_condition = "request_is_eu"
  healthcheck = "eu_healthcheck"
}

healthcheck {
  name = "eu_healthcheck"
  host = "example-eu-app.herokuapp.com"
  path = "/__gtg"
}

healthcheck {
  name = "us_healthcheck"
  host = "example-us-app.herokuapp.com"
  path = "/__gtg"
}