Use the elevation_lookups image from Docker Hub, so finally elevation import can work on any Linux machine with docker. #82

convert_osm/src/elevation.rs

@@ -42,8 +42,8 @@ pub fn add_data(map: &mut RawMap) -> Result<()> {
             pwd
         ))
         .arg("-t")
-        // TODO Upload this to Docker Hub, so it's easier to distribute
-        .arg("elevation_lookups")
+        // https://hub.docker.com/r/abstreet/elevation_lookups
+        .arg("abstreet/elevation_lookups")
         .arg("python3")
         .arg("main.py")
         .arg("query")