services:
  # --- MinIO ---
  minio:
    container_name: loki-minio
    image: minio/minio:latest
    entrypoint:
      - sh
      - -euc
      - |
        mkdir -p /data/loki-chunks && \
        minio server /data --console-address ":9001"
    environment:
      MINIO_ROOT_USER: loki
      MINIO_ROOT_PASSWORD: supersecret
    ports:
      - "9000:9000"
      - "9001:9001"
    volumes:
      - minio-data:/data
    healthcheck:
      test: ["CMD", "mc", "ready", "local"]
      interval: 5s
      timeout: 5s
      retries: 10
    networks:
      loki-net:
        ipv4_address: 192.168.97.10

  # --- Loki Write ---
  loki-write:
    container_name: loki-write
    image: grafana/loki:3.4.2
    hostname: loki-write
    command: -config.file=/etc/loki/loki-config.yaml -config.expand-env=true -target=write
    volumes:
      - ./loki-config.yaml:/etc/loki/loki-config.yaml:ro
      - loki-write-data:/loki
    depends_on:
      minio:
        condition: service_healthy
    networks:
      loki-net:
        ipv4_address: 192.168.97.11

  # --- Loki Read ---
  loki-read:
    container_name: loki-read
    image: grafana/loki:3.4.2
    hostname: loki-read
    command: -config.file=/etc/loki/loki-config.yaml -config.expand-env=true -target=read
    volumes:
      - ./loki-config.yaml:/etc/loki/loki-config.yaml:ro
      - loki-read-data:/loki
    depends_on:
      minio:
        condition: service_healthy
    networks:
      loki-net:
        ipv4_address: 192.168.97.12

  # --- Loki Backend ---
  loki-backend:
    container_name: loki-backend
    image: grafana/loki:3.4.2
    hostname: loki-backend
    command: -config.file=/etc/loki/loki-config.yaml -config.expand-env=true -target=backend
    volumes:
      - ./loki-config.yaml:/etc/loki/loki-config.yaml:ro
      - loki-backend-data:/loki
    depends_on:
      minio:
        condition: service_healthy
    networks:
      loki-net:
        ipv4_address: 192.168.97.13

  # --- Gateway (nginx) ---
  gateway:
    container_name: loki-gateway
    image: nginx:1.27-alpine
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    ports:
      - "3100:3100"
      - "3000:3000"
    depends_on:
      - loki-write
      - loki-read
      - loki-backend
      - grafana
    healthcheck:
      test: ["CMD-SHELL", "wget --quiet --tries=1 --output-document=- http://192.168.97.14:3100/ready | grep -q 'ready'"]
      interval: 10s
      timeout: 5s
      retries: 15
    networks:
      loki-net:
        ipv4_address: 192.168.97.14

  # --- Vector ---
  vector:
    container_name: loki-vector
    image: timberio/vector:0.44.0-alpine
    volumes:
      - ./vector.yaml:/etc/vector/vector.yaml:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro
    depends_on:
      gateway:
        condition: service_healthy
    networks:
      loki-net:
        ipv4_address: 192.168.97.15

  # --- Grafana ---
  grafana:
    container_name: loki-grafana
    image: grafana/grafana:12.4
    environment:
      GF_SECURITY_ADMIN_USER: admin
      GF_SECURITY_ADMIN_PASSWORD: admin
      GF_AUTH_ANONYMOUS_ENABLED: "true"
      GF_AUTH_ANONYMOUS_ORG_ROLE: Admin
    volumes:
      - ./provisioning:/etc/grafana/provisioning:ro
      - grafana-data:/var/lib/grafana
    depends_on:
      loki-read:
        condition: service_started
    networks:
      loki-net:
        ipv4_address: 192.168.97.16

  # --- Log Generator ---
  log-generator:
    container_name: loki-log-generator
    image: mingrammer/flog:0.4.3
    command: -f json -d 2s -l
    labels:
      vector.collect: "true"
    depends_on:
      - vector
    networks:
      loki-net:
        ipv4_address: 192.168.97.17

networks:
  loki-net:
    driver: bridge
    ipam:
      config:
        - subnet: 192.168.97.0/24
          gateway: 192.168.97.1

volumes:
  minio-data:
  loki-write-data:
  loki-read-data:
  loki-backend-data:
  grafana-data: