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how to name this unknown service - i deploy via docker self hosted

you need to set the `SERVICE_NAME` via resource attributes.

OTEL_EXPORTER=otlp OTEL_SERVICE_NAME=test-staging OTEL_EXPORTER_OTLP_ENDPOINT=<http://localhost:4318> OTEL_RESOURCE_ATTRIBUTES=application=test-staging

i have run app via puma so OTEL_EXPORTER=otlp OTEL_SERVICE_NAME=test-staging OTEL_EXPORTER_OTLP_ENDPOINT=<http://localhost:4318> OTEL_RESOURCE_ATTRIBUTES=application=test-staging sudo systemctl restart puma.service

also i add this in bashrc also restart otelcol-contrib.service

I see, are you using `opentelemtry/ruby` SDK ? And are you able to see other resource attributes being applied correctly ? Also can you try using ConsoleExporter and see if the data is being sent correctly ?