Docker - App

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Docker - App


An app is an ensemble of service and defines the notion of instance of a compose file.

There is one to one relationship between an app and a compose file



Run the specified Compose file

docker swarm init
docker stack deploy -c <composefile> <appname>  



  • Tear down an application
docker stack rm <appname>


  • List stacks or apps
docker stack ls                                            


Change the docker file and rerun

docker stack deploy -c docker-compose.yml appName

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Docker - Service

Services in the context of docker are really just containers. To define, run just write a docker-compose.yml file and run it as an app List running services associated with an app List tasks...
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Docker - docker-compose.yml

where: web define the name of the service as web image: defines the image to pull replicas defines the number of instances to run limits limits each replica to use, at most, 10% of the CPU (across...

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