volumes:
  prom:

services:
  db:
    image: postgres:18
    restart: always
    shm_size: 128mb
    environment:
      POSTGRES_PASSWORD: postgres

  server:
    image: ghcr.io/ernado/example
    command: ["server"]
    build:
      context: .
      dockerfile: build.Dockerfile
    restart: always
    environment:
      - OTEL_LOG_LEVEL=debug
      - OTEL_METRICS_EXPORTER=otlp
      - OTEL_LOGS_EXPORTER=otlp
      - OTEL_TRACES_EXPORTER=otlp
      - OTEL_EXPORTER_OTLP_PROTOCOL=grpc
      - OTEL_EXPORTER_OTLP_INSECURE=true
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otelcol:4317
      - OTEL_RESOURCE_ATTRIBUTES=service.name=go-faster.example.server
      - OTEL_METRIC_EXPORT_INTERVAL=15000
      - DATABASE_URL=postgres://postgres:postgres@db:5432/postgres?sslmode=disable

  client:
    image: ghcr.io/ernado/example
    command: ["client"]
    build:
      context: .
      dockerfile: build.Dockerfile
    restart: always
    environment:
      - OTEL_LOG_LEVEL=debug
      - OTEL_METRICS_EXPORTER=otlp
      - OTEL_LOGS_EXPORTER=otlp
      - OTEL_TRACES_EXPORTER=otlp
      - OTEL_EXPORTER_OTLP_PROTOCOL=grpc
      - OTEL_EXPORTER_OTLP_INSECURE=true
      - OTEL_EXPORTER_OTLP_ENDPOINT=http://otelcol:4317
      - OTEL_RESOURCE_ATTRIBUTES=service.name=go-faster.example.client
      - OTEL_METRIC_EXPORT_INTERVAL=15000

  oteldb:
    image: ghcr.io/go-faster/oteldb:v0.22.1
    environment:
      - OTELDB_STORAGE=ch
      - OTEL_LOG_LEVEL=info
      - OTEL_METRICS_EXPORTER=none
      - OTEL_LOGS_EXPORTER=none
      - OTEL_TRACES_EXPORTER=none

  prometheus:
    image: "ghcr.io/go-faster/prom/prometheus:v3.6.0"
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--web.enable-remote-write-receiver"
      - "--web.enable-otlp-receiver"
    restart: unless-stopped
    volumes:
      - ./_hack/prometheus.yml:/etc/prometheus/prometheus.yml
      - prom:/prometheus


  # https://opentelemetry.io/docs/collector/installation/#docker-compose
  otelcol:
    image: ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:0.89.0
    volumes:
      - ./_hack/otelcol.yml:/etc/otelcol-contrib/config.yaml
    depends_on:
      - oteldb
    environment:
      # probably excessive
      - OTEL_EXPORTER_OTLP_TRACES_PROTOCOL=grpc
      - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otelcol:4317
    command:
      - "--config"
      - "/etc/otelcol-contrib/config.yaml"
      #  https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/observability.md#how-we-expose-telemetry
      - "--feature-gates=telemetry.useOtelForInternalMetrics"
      - "--feature-gates=telemetry.useOtelWithSDKConfigurationForInternalTelemetry"

  grafana:
    image: "ghcr.io/go-faster/grafana:12.2.0-17142428006-ubuntu"
    environment:
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
      - GF_AUTH_DISABLE_LOGIN_FORM=true
      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor,traceToMetrics,publicDashboards,tempoApmTable
      - GF_ALERTING_ENABLED=false
      - GF_USERS_ALLOW_SIGN_UP=false
      - GF_LOG_LEVEL=debug
      - GF_INSTALL_PLUGINS=grafana-clickhouse-datasource
    ports:
      - "3000:3000"
    volumes:
      - ./_hack/grafana/datasources.yml:/etc/grafana/provisioning/datasources/datasources.yml
      - ./_hack/grafana/dashboards.yml:/etc/grafana/provisioning/dashboards/default.yml
      - ./_hack/grafana/dashboards:/etc/grafana/dashboards:ro
    depends_on:
      - oteldb
      - otelcol