docker-docs/compose/reference/scale.md at 796e6330df50dab9bc4e02a032d86cb9dc95aeca

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Sebastiaan van Stijn 0f3caaca6a compose: use relative markdown links

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

2020-04-23 13:03:10 +02:00

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description, keywords, title, notoc

description	keywords	title	notoc
Sets the number of containers to run for a service.	fig, composition, compose, docker, orchestration, cli, scale	docker-compose scale	true

This command is deprecated. Use the up command with the --scale flag instead. Beware that using up with the --scale flag has some subtle differences with the scale command, as it incorporates the behaviour of the up command. {: .warning }

Usage: scale [options] [SERVICE=NUM...]

Options:
  -t, --timeout TIMEOUT      Specify a shutdown timeout in seconds.
                             (default: 10)

Sets the number of containers to run for a service.

Numbers are specified as arguments in the form service=num. For example:

docker-compose scale web=2 worker=3

Tip

: Alternatively, in Compose file version 3.x, you can specify replicas under the deploy key as part of a service configuration for Swarm mode. The deploy key and its sub-options (including replicas) only works with the docker stack deploy command, not docker-compose up or docker-compose run.

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