willfarrell/autoheal docker image 镜像
source link: https://hub.docker.com/r/willfarrell/autoheal
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docker pull willfarrell/autoheal
# docker-autoheal
Monitor and restart unhealthy docker containers.
This functionality was proposed to be included with the addition of HEALTHCHECK
, however didn't make the cut.
This container is a stand-in till there is native support for --exit-on-unhealthy
https://github.com/docker/docker/pull/22719.
Supported tags and Dockerfile links
How to use
docker run -d \
--name autoheal \
--restart=always \
-e AUTOHEAL_CONTAINER_LABEL=all \
-v /var/run/docker.sock:/var/run/docker.sock \
willfarrell/autoheal
a) Apply the label autoheal=true
to your container to have it watched.
b) Set ENV AUTOHEAL_CONTAINER_LABEL=all
to watch all running containers.
c) Set ENV AUTOHEAL_CONTAINER_LABEL
to existing label name that has the value true
.
Note: You must apply HEALTHCHECK
to your docker images first. See https://docs.docker.com/engine/reference/builder/#healthcheck for details.
ENV Defaults
AUTOHEAL_CONTAINER_LABEL=autoheal
AUTOHEAL_INTERVAL=5 # check every 5 seconds
AUTOHEAL_START_PERIOD=0 # wait 0 seconds before first health check
AUTOHEAL_DEFAULT_STOP_TIMEOUT=10 # Docker waits max 10 seconds (the Docker default) for a container to stop before killing during restarts (container overridable via label, see below)
DOCKER_SOCK=/var/run/docker.sock # Unix socket for curl requests to Docker API
CURL_TIMEOUT=30 # --max-time seconds for curl requests to Docker API
Optional Container Labels
autoheal.stop.timeout=20 # Per containers override for stop timeout seconds during restart
Testing
docker build -t autoheal .
docker run -d \
-e AUTOHEAL_CONTAINER_LABEL=all \
-v /var/run/docker.sock:/var/run/docker.sock \
autoheal
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