I have any local tiles (seed via Mapproxy) of any local area. May I configure mapproxy that I can use a local tile directory on my computer as a source and get the output then WMS ? I've already configured mapproxy.yaml which has this lines: services:
demo: wms: srs: ['EPSG:3857', 'EPSG:4326', 'EPSG:3395'] # image_formats: ['image/jpeg', 'image/png'] md: # metadata used in capabilities documents title: MapProxy WMS Proxy abstract: This is the fantastic MapProxy. online_resource: http://mapproxy.org/ contact: person: Your Name Here position: Technical Director organization: address: Fakestreet 123 city: Somewhere postcode: 12345 country: Germany phone: +49(0)000-000000-0 fax: +49(0)000-000000-0 email: firstname.lastname@example.org access_constraints: This service is intended for private and evaluation use only. The data is licensed as Creative Commons Attribution-Share Alike 2.0 (http://creativecommons.org/licenses/by-sa/2.0/) fees: 'None' layers: - name: Testing tiles title: Testing tiles sources: [osm_cached] caches: osm_cached: grids: [gmaps_grid] sources:  cache: type: file directory_layout: tms grids: gmaps_grid: tile_size: [256, 256] srs: EPSG:3857 origin: nw
But cannot see the results, just empty page whout scrolling Please explain should I use cache->directory_layoutORdirectory? If so how does it look?