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unhealthy docker container not restarted by docker native health check


unhealthy docker container not restarted by docker native health check

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unhealthy docker container not restarted by docker native health check
Tag : docker , By : Stone
Date : January 12 2021, 01:40 AM

will help you Docker only reports the status of the healthcheck. Acting on the healthcheck result requires an extra layer running on top of docker. Swarm mode provides this functionality and is shipped with the docker engine. To enable:
docker swarm init
docker service create -d  --net=host applicationname:temp

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How to check that the docker container is restarted and accessible?


Tag : docker , By : Janne Laine
Date : March 29 2020, 07:55 AM
it helps some times Sergey, youre need to use initialization system as supervisor of your in-Docker processes. You may use distro-built-in init systems like systemd/upstart or init.d depends on your OS for checking a container state.
In theory you should to create independent service in you init system on each docker run command without -d option, because with -d option docker detached a container and returned 0 exit status to init system. As result init system lost a control of target process.
[Unit]
Description=Simple Blog Rails Docker Container Service
After=docker.service
Requires=docker.service

[Service]
Restart=on-failure
ExecStartPre=-/usr/bin/docker kill simple-blog-rails-container
ExecStartPre=-/usr/bin/docker rm simple-blog-rails-container
ExecStart=/usr/bin/docker run simple-blog-rails
ExecStop=/usr/bin/docker stop simple-blog-rails-container

[Install]
WantedBy=multi-user.target

Health Check command for docker(1.12) container (Not in Dockerfile!)


Tag : docker , By : snapshooter
Date : March 29 2020, 07:55 AM
To fix this issue
is there any way to Health Check from out side of the container and script also located outside.

Deploy docker container if health check fails


Tag : development , By : user109127
Date : March 29 2020, 07:55 AM
will be helpful for those in need I don't think you even need marathon-autoscale to do this. This should work outside the box - you may configure a healthcheck that will kill a running Marathon task after 10 consecutive healthcheck failures and start a new one.
Something simple would look like that:
"healthChecks": [
  {
    "protocol": "HTTP",
    "path": "/health",
    "gracePeriodSeconds": 120,
    "intervalSeconds": 60,
    "portIndex": 0,
    "timeoutSeconds": 30,
    "maxConsecutiveFailures": 10
  }
]

Docker in docker fails to start if container restarted


Tag : docker , By : UpperLuck
Date : March 29 2020, 07:55 AM
Any of those help Turns out to be that docker thought that it and or containterd was still running(which it wasn't, but the PID files didn't get cleaned up)
Recommended starting approach to debugging issues: Look at the log files. I am shocked by this revelation.

How to add health check for python code in docker container


Tag : docker , By : n800s
Date : March 29 2020, 07:55 AM
help you fix your problem The health check command is not something magical, but rather something you can automate to get a better status on your service.
Some questions you should ask yourself before setting the healthcheck:
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