Use preferred tile.openstreetmap.org URL (#124)

Author: danieldegroot2

README.md

@@ -277,7 +277,7 @@ they are available to the environment in which Rails is running.
   moves to the state 'complete', fp-web will `POST` the JSON representation
   of the atlas to each URL.
 * `ATLAS_INDEX_HEADER_TILELAYER` - A [Leaflet TileLayer urlTemplate](https://leafletjs.com/reference.html#tilelayer). Optional.
-  Providing this url will override the header basemaps for the atlas index pages. Defaults to `https://{S}.tile.openstreetmap.org/{Z}/{X}/{Y}.png`
+  Providing this url will override the header basemaps for the atlas index pages. Defaults to `https://tile.openstreetmap.org/{Z}/{X}/{Y}.png`
 * `DISABLE_LOGIN_CONFIRMATIONS` - A value of `true` will not require
   users to confirm their accounts after registration and will not send confirmation emails.
   Optional. Defaults to `false` -- registration confirmations are required

config/initializers/fieldpapers.rb

@@ -9,7 +9,7 @@ module FieldPapers
   PERSIST = ENV["PERSIST"] || "s3"
   OSM_BASE_URL = ENV["OSM_BASE_URL"] || "https://www.openstreetmap.org"
   ATLAS_COMPLETE_WEBHOOKS = ENV["ATLAS_COMPLETE_WEBHOOKS"] || ""
-  ATLAS_INDEX_HEADER_TILELAYER = ENV['ATLAS_INDEX_HEADER_TILELAYER'] || "https://{S}.tile.openstreetmap.org/{Z}/{X}/{Y}.png"
+  ATLAS_INDEX_HEADER_TILELAYER = ENV['ATLAS_INDEX_HEADER_TILELAYER'] || "https://tile.openstreetmap.org/{Z}/{X}/{Y}.png"
 
   if ENV["DEFAULT_CENTER"].present?
     DEFAULT_CENTER = ENV["DEFAULT_CENTER"]

config/providers.json

@@ -1,7 +1,7 @@
 {
   "openstreetmap": {
     "label": "OpenStreetMap",
-    "template": "https://{S}.tile.openstreetmap.org/{Z}/{X}/{Y}.png",
+    "template": "https://tile.openstreetmap.org/{Z}/{X}/{Y}.png",
     "options": {
       "attribution": "<a href='https://openstreetmap.org/copyright' target='_blank'>© OpenStreetMap</a>"
     },