Docker容器日志占用空间过大问题及解决

#!/bin/sh?
echo "======== docker containers logs file size ========" ?
logs=$(find /var/lib/docker/containers/ -name *-json.log) ?
for log in $logs ?
? ? ? ? do ?
? ? ? ? ? ? ?ls -lh $log ??
? ? ? ? done

# chmod +x docker_log_size.sh
# ./docker_log_size.sh

#!/bin/sh?
echo "======== start clean docker containers logs ========" ?
logs=$(find /var/lib/docker/containers/ -name *-json.log) ?
for log in $logs ?
? ? ? ? do ?
? ? ? ? ? ? ? ? echo "clean logs : $log" ?
? ? ? ? ? ? ? ? cat /dev/null > $log ?
? ? ? ? done ?
echo "======== end clean docker containers logs ========"
# chmod +x clean_docker_log.sh
# ./clean_docker_log.sh

nginx:?
? image: nginx:1.12.1?
? restart: always?
? logging:?
? ? driver: “json-file”?
? ? options:?
? ? ? max-size: “5g”?

# vim /etc/docker/daemon.json
{
? "log-driver":"json-file",
? "log-opts": {"max-size":"500m", "max-file":"3"}
}

// 重启docker守护进程
# systemctl daemon-reload
# systemctl restart docker

docker-rate:
? ? image: python:3.9.5
? ? container_name:docker-rate
? ? restart: always
? ? logging:
? ? ? options:
? ? ? ? max-size: "5g"
? ? ? ? max-file: "1"
? ? volumes:
? ? ?- /var/share:/share
? ? command: bash -c "python /share/run.py"
? ? environment:
? ? ? VERSION: 1

vim /etc/docker/daemon.json
{
? "log-opts": {"max-size": "500m", "max-file": "3"}
}