version: '3.8'

services:

  prometheus:
    container_name: prometheus
    image: prom/prometheus:latest
    volumes:
      - ./testnet/monitoring/prometheus.yml:/etc/prometheus/prometheus.yml:z
    command:
      - --config.file=/etc/prometheus/prometheus.yml
      - --storage.tsdb.retention.time=7d
      - --enable-feature=otlp-write-receiver
    ports:
      - 127.0.0.1:9090:9090
    restart: on-failure

  grafana:
    container_name: grafana
    image: grafana/grafana:latest
    environment:
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
      - GF_AUTH_DISABLE_LOGIN_FORM=true
      - GF_FEATURE_TOGGLES_ENABLE=traceqlEditor traceQLStreaming metricsSummary
    env_file:
      - ./testnet/monitoring/grafana/plugins.env
    volumes:
      - ./testnet/monitoring/grafana/grafana.ini:/etc/grafana/grafana.ini:z
      - ./testnet/monitoring/grafana/datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml:z
    ports:
      - 9091:3000
    restart: on-failure
    depends_on:
      - prometheus

  loki:
    image: grafana/loki:2.9.2
    ports:
      - "3100:3100"
    command: -config.file=/etc/loki/local-config.yaml

  # Tempo runs as unpriviliged user, volumes need to be chowned before running.
  tempo-init:
    image: &tempoImage grafana/tempo:latest
    user: root
    entrypoint:
      - "chown"
      - "10001:10001"
      - "/var/tempo"
    volumes:
      - tempo-data:/var/tempo

  memcached:
    image: memcached:1.6.29
    container_name: memcached
    ports:
      - "11211:11211"
    environment:
      - MEMCACHED_MAX_MEMORY=64m
      - MEMCACHED_THREADS=4

  tempo:
    image: *tempoImage
    container_name: tempo
    command: [ "-config.file=/etc/tempo.yaml" ]
    volumes:
      - ./testnet/monitoring/tempo.yaml:/etc/tempo.yaml:z
      - tempo-data:/var/tempo
    ports:
      - "4317:4317"  # otlp grpc
    depends_on:
      - tempo-init
      - memcached

volumes:
  tempo-data: