logrotate sidecar container

usage

Sample docker-compose.yaml file:

services:
  traefik:
    image: traefik:v3
    container_name: traefik
    restart: always
    command:
      - "--configFile=/config/traefik.yaml"
    environment:
      - TZ=Europe/Rome
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./config:/config
      - ./logs:/logs
      - ./acme:/acme
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - backend

  traefik-logrotate:
    image: docker.asperti.com/paspo/logrotate:latest
    container_name: traefik-logrotate
    restart: always
    depends_on:
      - traefik
    pid: "service:traefik"  # this is needed to signal traefik reload
    environment:
      TINI_SUBREAPER: true  # and tou need this, otherwise tini will cry
    volumes:
      - ./logs:/logs
      - ./logrotate.conf:/etc/logrotate.d/traefik.conf:ro

Sample logrotate.conf file:

/logs/access.log {
    daily
    rotate 14
    missingok
    notifempty
    compress
    delaycompress
    copytruncate
    size 200M

    postrotate
        kill -USR1 1
    endscript
}

manual run

docker compose exec traefik-logrotate /etc/periodic/daily/logrotate