Hi @vityca, thanks for providing the details. The http://localhost:8000 is only the demo page for maps server which used maplibregl library, which shouldn’t block maps server function usage in OpenSearch Dashboard(OSD).
Could you help verify if the http://localhost:8080/manifest.json and http://localhost:8080/tiles/data/0/0/0.png have response, if yes, then you can check the following step to set up the map server in your use case:
There are three main maps app in the OSD Visualization(Region Map App, Coordinates Map App and Maps App), in order to use self-host maps server in OpenSearch Dashboards Visualization:
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For Region Map App and Coordinates Map App, you can set up maps server by doc Using the self-host maps server - OpenSearch documentation with manifest endpoint http://localhost:8080/manifest.json
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For Maps App, you can add a custom layer with TMS type with endpoint: http://localhost:8080/tiles/data/{z}/{x}/{y}.png by doc Using maps - OpenSearch documentation
