nim-libp2p/simulation/docker-compose.yml

networks:
  monitor:

services:
  # observability ui
  grafana:
    container_name: grafana
    image: grafana/grafana:11.1.0
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
    env_file:
      - ./grafana/provisioning/grafana-plugins.env
    volumes:
      - ./grafana/provisioning:/etc/grafana/provisioning
      - ./grafana/dashboards:/var/lib/grafana/dashboards/:z
    ports:
      - "3000:3000" # browse on http://localhost:3000
    networks: [monitor]
    depends_on:
      - prometheus

  prometheus:
    container_name: prometheus
    image: prom/prometheus:v2.55.1
    command: ["--config.file=/etc/prometheus/prometheus.yml"]
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
    networks: [monitor]

  cadvisor:
    image: gcr.io/cadvisor/cadvisor:latest
    container_name: cadvisor
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    networks:
      - monitor

  redis:
    container_name: redis
    image: redis:7-alpine
    ports:
      - "6379:6379" # optional; intra-network works without publishing
    networks: [monitor]
    tmpfs:
      - /data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 20
      start_period: 5s

  simulation:
    build:
      context: ..
      dockerfile: simulation/Dockerfile
    image: nim-libp2p/simulation:latest
    networks: [monitor]
    # Local docker compose may ignore deploy.replicas; use `--scale simulation=N`
    # when starting the stack to control the number of node containers.
    deploy:
      replicas: ${NUM_LIBP2P_NODES:-10}
    command: []
    cap_add:
      - NET_ADMIN # REQUIRED for tc
    environment:
      NETEM: "delay 100ms 10ms distribution normal"
      NUM_LIBP2P_NODES: ${NUM_LIBP2P_NODES:-10}
      TRANSPORT: ${TRANSPORT:-QUIC}
      CONNECTTO: ${CONNECTTO:-10}
    ports:
      - target: 5000 # app
        published: 0
        protocol: udp
      - target: 8008 # prometheus
        published: 0
        protocol: tcp
    depends_on:
      redis:
        condition: service_healthy

  loki:
    image: grafana/loki:3.0.0
    container_name: loki
    command: ["-config.file=/etc/loki/config.yml"]
    ports:
      - "3100:3100"
    networks: [monitor]
    user: "0:0" # root
    tmpfs:
      - /loki
    volumes:
      - ./loki-config.yml:/etc/loki/config.yml:ro

  promtail:
    image: grafana/promtail:3.0.0
    container_name: promtail
    command: ["-config.file=/etc/promtail/config.yml"]
    networks: [monitor]
    depends_on:
      - loki
    volumes:
      - ./promtail-config.yml:/etc/promtail/config.yml:ro
      - /var/log:/var/log:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro