mkdir keeporaclealive
cd keeporaclealive
vi docker-compose.yml
version: '3'
services:
keeporaclealive:
image: alpine
command: 'sh -c "while true; do for i in $$(seq 1 100000); do j=$$[i*i]; done; done"'
restart: always
docker-compose up -d
docker-compose down
crontab -e
1,11,21,31,41,51 * * * * cd /home(自己的目录)/keeporaclealive && /usr/local(ubuntu可用,centos要修改)/bin/docker-compose up -d
2,12,22,32,42,52 * * * * cd /home(自己的目录)/keeporaclealive && /usr/local(ubuntu可用,centos要修改)/bin/docker-compose down