### Start OpenTripPlanner Routing Engine Source: https://digitransit.fi/palvelu Launches the routing engine container with HSL data. ```bash docker run -d --rm -p 9080:8080 -e ROUTER_NAME=hsl -e JAVA_OPTS=-Xmx4g -e ROUTER_DATA_CONTAINER_URL=https://api.digitransit.fi/routing-data/v2/hsl hsldevcom/opentripplanner:prod ``` -------------------------------- ### Example GeoJSON Data Structure Source: https://digitransit.fi/liity/reittiopas This is an example of the GeoJSON data structure used to define points of interest. Ensure all field names are in lowercase. The 'popup' field supports HTML for rich content display. ```json { "type": "FeatureCollection", "features": [ { "type": "Feature", "id": "1", "geometry": { "type": "Point", "coordinates": [ 21.26673, 61.44984 ] }, "properties": { "category": "SERVICE_POINT", "name": "Nimi", "name_fi": "Nimi", "name_sv": "Namn", "name_en": "Name", "popup": "