Add OVERPASS_PLANET_PREPROCESS in env vars

Author: Rub21

osm-seed/values.yaml

@@ -507,6 +507,7 @@ overpassApi:
     OVERPASS_PLANET_URL: http://download.geofabrik.de/europe/monaco-latest.osm.bz2
     OVERPASS_DIFF_URL: http://download.openstreetmap.fr/replication/europe/monaco/minute/
     OVERPASS_RULES_LOAD: 10
+    OVERPASS_PLANET_PREPROCESS: 'mv /db/planet.osm.bz2 /db/planet.osm.pbf && osmium cat -o /db/planet.osm.bz2 /db/planet.osm.pbf && rm /db/planet.osm.pbf'
   persistenceDisk:
     enabled: true
     accessMode: ReadWriteOnce