x-defaults: &defaults
  restart: unless-stopped
  logging:
    driver: json-file
    options:
      max-size: 100m
      max-file: "3"

services:
  influxdb:
    <<: *defaults
    image: ${GLOBAL_REGISTRY:-}influxdb:${INFLUXDB_VERSION:-2.8.0}
    environment:
      TZ: ${TZ:-UTC}
      # InfluxDB v2 initialization
      DOCKER_INFLUXDB_INIT_MODE: ${INFLUXDB_INIT_MODE:-setup}
      DOCKER_INFLUXDB_INIT_USERNAME: ${INFLUXDB_ADMIN_USERNAME:-admin}
      DOCKER_INFLUXDB_INIT_PASSWORD: ${INFLUXDB_ADMIN_PASSWORD:-changeme123456}
      DOCKER_INFLUXDB_INIT_ORG: ${INFLUXDB_ORG:-myorg}
      DOCKER_INFLUXDB_INIT_BUCKET: ${INFLUXDB_BUCKET:-mybucket}
      DOCKER_INFLUXDB_INIT_RETENTION: ${INFLUXDB_RETENTION:-0}
      DOCKER_INFLUXDB_INIT_ADMIN_TOKEN: ${INFLUXDB_ADMIN_TOKEN:-mytoken123456}
    volumes:
      - influxdb_data:/var/lib/influxdb2
      - influxdb_config:/etc/influxdb2
    ports:
      - "${INFLUXDB_PORT_OVERRIDE:-8086}:8086"
    deploy:
      resources:
        limits:
          cpus: ${INFLUXDB_CPU_LIMIT:-2.0}
          memory: ${INFLUXDB_MEMORY_LIMIT:-2G}
        reservations:
          cpus: ${INFLUXDB_CPU_RESERVATION:-0.5}
          memory: ${INFLUXDB_MEMORY_RESERVATION:-512M}
    healthcheck:
      test: ["CMD", "influx", "ping"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 30s

volumes:
  influxdb_data:
  influxdb_config: