config.json

{
	"tileSize" : 256,
	"prefix" : "openrailwaymap",
	"database" : "openrailwaymap",
	"username" : "openrailwaymap",
	"host": "localhost",
	"port": 5432,
	"maxPoolSize": 60,
	"tiledir" : "/srv/tiles",
	"expiredtilesdir" : "/var/www/html/OpenRailwayMap/import",
	"styledir" : "../styles",
	"zoomOffset" : 0,
	"minZoom" : 0,
	"maxZoom" : 20,
	"styles" : ["standard", "maxspeed", "signals"],
	"intscalefactor" : 10000,
	"geomcolumn" : "way",
	"pxtolerance" : 1.8,
	"maxPrerender" : 8,
	"maxCached" : 16,
	"minExpiring" : 8,
	"maxsockets" : 100,
	"tileserverPort" : 9000,
	"tileBoundTolerance" : 60,
	"filterconditions" :
	{
		"0" : "AND (tags->'usage'='main')",
		"1" : "AND (tags->'usage'='main')",
		"2" : "AND (tags->'usage'='main')",
		"3" : "AND (tags->'usage'='main')",
		"4" : "AND (tags->'usage'='main')",
		"5" : "AND (tags->'usage'='main')",
		"6" : "AND (tags->'usage'='main')",
		"7" : "AND (tags->'usage'='main')",
		"8" : "AND ((tags->'usage'='main') OR (tags->'usage'='branch'))",
		"9" : "AND ((tags->'usage'='main') OR (tags->'usage'='branch') OR (tags->'railway'='disused') OR (tags->'railway'='abandoned') OR (tags->'railway'='proposed') OR (tags->'railway'='construction') OR (tags->'railway'='station') OR (tags->'railway'='narrow_gauge'))",
		"10" : "AND ((tags->'railway'='rail') OR (tags->'railway'='disused') OR (tags->'railway'='abandoned') OR (tags->'railway'='proposed') OR (tags->'railway'='construction') OR (tags->'railway'='light_rail') OR (tags->'railway'='tram') OR (tags->'railway'='subway') OR (tags->'railway'='narrow_gauge') OR (tags->'railway'='station') OR (tags->'railway'='halt'))"
	}
}