feat(fed): add ural

docker-compose.yml

@@ -13,7 +13,8 @@
 #   docker run --rm -v "$(pwd)/data:/from:ro" -v tile-server-data:/to alpine \
 #     sh -c "cp -a /from/. /to/"
 #
-# Tune TileServer__JvmMaxHeap / mem_limit to the machine.
+# Heap must stay well below mem_limit: Planetiler maps temp files outside -Xmx.
+# Exit 137 = cgroup OOM killer. 8g heap in a 12g box dies on NW FO z15.
 # After raising MaxZoom (z14→z15) the next startup rebuilds MBTiles; keep the volume.
 
 services:
@@ -57,7 +58,9 @@ services:
       TZ: UTC
       TileServer__DataDirectory: /data
       TileServer__JavaPath: /opt/java/openjdk/bin/java
-      TileServer__JvmMaxHeap: 8g
+      TileServer__JvmMaxHeap: 4g
+      TileServer__PlanetilerThreads: "8"
+      TileServer__PlanetilerMmapTemp: "false"
       TileServer__Sync__RunOnStartup: "true"
       TileServer__Sync__Cron: "0 3 * * *"
       TileServer__Sync__TimeZone: UTC