...
  otel-collector:
    image: ${OTEL_IMAGE:-otel/opentelemetry-collector-contrib}
    restart: unless-stopped
    user: "0"  # Run as root to access host resources
...
    logging:
      driver: journald
      options:
        tag: "xxx-otel-collector"
    network_mode: host  # Required for host metrics collection
    volumes:
      # Host filesystem for metrics collection
      - ${OTEL_HOST_ROOT:-/}:/hostfs:ro
      - ${OTEL_HOST_DOCKER_SOCK:-/var/run/docker.sock}:/var/run/docker.sock:ro
      # OTEL configuration
      - ${OTEL_HOST_CONFIG:-./otel-collector/config.yaml}:/etc/otelcol-contrib/config.yaml:ro

receivers:
  hostmetrics:
    collection_interval: 30s # Adjust as needed
    root_path: /hostfs      # Path where the host filesystem is mounted
    scrapers:
      cpu:
      memory:
      disk:
      filesystem:
      network:
      process:
        mute_process_all_errors: true
      processes:
      paging:
      load:
      system:
  # journaldctl is not available in the docker image by default
  # The host filesystem is mounted to /hostfs so we just need to point to the correct path
  # journald:
  #   path: /hostfs/var/log/journal

  otlp:
    protocols:
      grpc:
        endpoint: 0.0.0.0:4317
      http:
        endpoint: 0.0.0.0:4318

  # Collect own metrics
  prometheus:
    config:
      scrape_configs:
      - job_name: 'otel-collector'
        scrape_interval: 10s
        static_configs:
        - targets: ['0.0.0.0:8888']

processors:
  batch:

  resourcedetection/docker:
    # Modify the list of detectors to match the  environment
    detectors: [env, docker]
    timeout: 2s
    override: false

exporters:
# Change this to your desired endpoint
  otlp/traces:
    endpoint: "xx:443"
  otlp/logs:
    endpoint: "xx:443"
  otlp/metrics:
    endpoint: "xxx:443"
service:
  pipelines:
    traces:
      receivers: [otlp]
      processors: [resourcedetection/docker, batch]
      exporters: [otlp/traces]
    metrics:
      receivers: [otlp, prometheus, hostmetrics]
      processors: [resourcedetection/docker, batch]
      exporters: [otlp/metrics]
    logs:
      receivers: [otlp]
      processors: [resourcedetection/docker, batch]
      exporters: [otlp/logs]