   def host_map_url do
     base_url = "https://maps.googleapis.com/maps/api/staticmap?scale=2&size=640x400"
 
-    markers =
-      get_markers(green_host_coordinates(), "green") <>
-      get_markers(yellow_host_coordinates(), "yellow") <>
-      get_markers(blue_host_coordinates(), "blue")
+    markers = get_markers(Foundation.list_host_locations, "green")
 
     styles =
-      "&style=element:labels%7Cvisibility:off" <>
-      "&style=feature:administrative.neighborhood%7Cvisibility:off" <>
-      "&style=feature:administrative%7Celement:geometry%7Cvisibility:off" <>
-      "&style=feature:poi%7Cvisibility:off" <>
-      "&style=feature:road%7Cvisibility:off" <>
-      "&style=feature:road%7Celement:labels.icon%7Cvisibility:off" <>
-      "&style=feature:transit%7Cvisibility:off"
+      "&style=element:labels|visibility:off" <>
+      "&style=feature:administrative.neighborhood|visibility:off" <>
+      "&style=feature:administrative|element:geometry|visibility:off" <>
+      "&style=feature:poi|visibility:off" <>
+      "&style=feature:road|visibility:off" <>
+      "&style=feature:road|element:labels.icon|visibility:off" <>
+      "&style=feature:transit|visibility:off"
 
     key = "&key=#{get_api_key()}"
 

defmodule JumubaseWeb.MapHelpers do

  @doc """
  Returns an image url for a map showing all hosts.


  # Private helpers

  defp get_markers(locations, color) do
    marker_locations =
      locations
      |> Enum.map(fn {lat, lon} -> "#{lat},#{lon}" end)
      |> Enum.join("|")

    "&markers=color:#{color}|" <> marker_locations
  end

  def get_api_key do
