[系统运维]docker内redis容器的healthcheck

1 创建docker文件夹以及dockerfile文件

2 写入内容

FROM redis

ADD docker-healthcheck.sh /opt/

HEALTHCHECK --interval=10s --timeout=5s --retries=3 CMD /bin/bash /opt/docker-healthcheck.sh

创建 docker-healthcheck.sh

写入内容

#!/bin/bash

set -eo pipefail

host="$(hostname -i || echo '127.0.0.1')"

redisPWD="123456"

if ping="$(redis-cli -h "$host" -a "$redisPWD" 2>/dev/null ping)" && [ "$ping" = 'PONG' ]; then

exit 0

else

exit 1

fi

到目录下

docker build -f dockerfile -t 镜像名:tag名 .

即可生成镜像

docker run执行

需要先给redis 配置密码授权

CONFIG SET requirepass 123456

auth 123456

CONFIG GET requirepass

GitHub - docker-library/healthcheck: https://github.com/docker/docker/issues/21142 prototypes

带有healthecheck dockerfile的镜像