docker-compose.dev.yaml

version: "2"

services:
  # Jaeger
  jaeger-all-in-one:
    image: jaegertracing/all-in-one:1.55.0
    restart: always
    ports:
      - "16686:16686"
      - "14268"
      - "14250"

  otel-collector:
    image: otel/opentelemetry-collector:0.96.0
    restart: always
    command: ["--config=/etc/otel-collector-config.yaml"]
    environment:
      HONEYCOMB_TEAM: "${HONEYCOMB_TEAM}"
    volumes:
      - ./otel-config.dev.yaml:/etc/otel-collector-config.yaml
    ports:
      - "1888:1888"   # pprof extension
      - "8888:8888"   # Prometheus metrics exposed by the collector
      - "8889:8889"   # Prometheus exporter metrics
      - "13133:13133" # health_check extension
      - "4317:4317"   # OTLP gRPC receiver
      - "55679:55679" # zpages extension
    depends_on:
      - jaeger-all-in-one

  prometheus:
    image: prom/prometheus:v2.50.1
    restart: always
    volumes:
      - ./prometheus.dev.yaml:/etc/prometheus/prometheus.yml
    ports:
      - "9090:9090"

otel-config.dev.yaml

receivers:
  otlp:
    protocols:
      grpc:

exporters:
  prometheus:
    endpoint: "0.0.0.0:8889"

  # VERY HELPFUL LOG!
  debug:
    verbosity: detailed

  otlp:
    endpoint: jaeger-all-in-one:4317
    tls:
      insecure: true

  otlp/honeycomb:
    endpoint: "api.honeycomb.io:443" # US instance
    headers:
      "x-honeycomb-team": "${HONEYCOMB_TEAM}"

processors:
  filter/ottl:
    error_mode: ignore
    traces:
      span:
        - 'IsMatch(attributes["http.target"], "/(assets|fonts|live|phoenix)/.*") == true'
        - 'name == "Websocket"'
        - 'name == "steady_volume.repo.query:schema_migrations"'

  batch:

  memory_limiter:
    check_interval: 5s
    limit_mib: 200
    spike_limit_mib: 150

extensions:
  health_check:
  pprof:
    endpoint: :1888
  zpages:
    endpoint: :55679
  memory_ballast:
    size_mib: 512

service:
  extensions: [pprof, zpages, health_check, memory_ballast]
  pipelines:
    traces:
      receivers: [otlp]
      processors: [memory_limiter, filter/ottl, batch]
      exporters: [debug, otlp]
      # exporters: [debug, otlp, otlp/honeycomb]
    metrics:
      receivers: [otlp]
      processors: [memory_limiter, filter/ottl, batch]
      exporters: [debug, prometheus]

prometheus.dev.yaml

scrape_configs:
  - job_name: "otel-collector"
    scrape_interval: 10s
    static_configs:
      - targets: ["otel-collector:8889"]
      - targets: ["otel-collector:8888"]