How to solve the problem of cron executing docker failure
Cron fails to execute docker because exec adds the -it parameter. The solution is to correct "docker exec php-7.2_1 /bin/bash -c 'cd /usr/local/nginx/html/MyProject. ..” That’s it.
The operating environment of this article: ubuntu16.04 system, Docker 20.10.11, Dell G3 computer.
How to solve the problem of cron failing to execute docker?
crontab failed to execute docker exec command:
Original script--> failed
#!/bin/bash docker exec -it php-7.2_1 /bin/bash -c 'cd /usr/local/nginx/html/MyProject && sh GatherData.sh'
Correction--> Success
#!/bin/bash docker exec php-7.2_1 /bin/bash -c 'cd /usr/local/nginx/html/MyProject && sh GatherData.sh'
Cause of failure
Adding the -it parameter to exec opens a terminal, and the scheduled task cannot enter any terminal.
Recommended learning: "docker video tutorial"
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