limits: http_max_request_bytes: 60 telemetry: exporters: metrics: prometheus: listen: 127.0.0.1:4000 enabled: true path: /metrics common: views: - name: apollo_router_http_request_duration_seconds aggregation: histogram: buckets: - 0.1 - 0.5 - 1 - 2 - 3 - 4 - 5 - 100 attributes: subgraph: all: request: header: - named: "x-custom-header" rename: "custom_header" default: "unknown" headers: all: request: - insert: name: "x-custom-header" value: "test_custom" override_subgraph_url: products: http://localhost:4005 include_subgraph_errors: all: true