Warning: this command is part of the Swarm management feature introduced in Docker 1.12, and might be subject to non backward-compatible changes.
Usage: docker service update [OPTIONS] SERVICE Update a service Options: --args string Service command args --constraint-add value Add or update placement constraints (default []) --constraint-rm value Remove a constraint (default []) --container-label-add value Add or update container labels (default []) --container-label-rm value Remove a container label by its key (default []) --endpoint-mode string Endpoint mode (vip or dnsrr) --env-add value Add or update environment variables (default []) --env-rm value Remove an environment variable (default []) --help Print usage --image string Service image tag --label-add value Add or update service labels (default []) --label-rm value Remove a label by its key (default []) --limit-cpu value Limit CPUs (default 0.000) --limit-memory value Limit Memory (default 0 B) --log-driver string Logging driver for service --log-opt value Logging driver options (default []) --mount-add value Add or update a mount on a service --mount-rm value Remove a mount by its target path (default []) --name string Service name --network-add value Add or update network attachments (default []) --network-rm value Remove a network by name (default []) --publish-add value Add or update a published port (default []) --publish-rm value Remove a published port by its target port (default []) --replicas value Number of tasks (default none) --reserve-cpu value Reserve CPUs (default 0.000) --reserve-memory value Reserve Memory (default 0 B) --restart-condition string Restart when condition is met (none, on-failure, or any) --restart-delay value Delay between restart attempts (default none) --restart-max-attempts value Maximum number of restarts before giving up (default none) --restart-window value Window used to evaluate the restart policy (default none) --stop-grace-period value Time to wait before force killing a container (default none) --update-delay duration Delay between updates --update-failure-action string Action on update failure (pause|continue) (default "pause") --update-parallelism uint Maximum number of tasks updated simultaneously (0 to update all at once) (default 1) -u, --user string Username or UID --with-registry-auth Send registry authentication details to Swarm agents -w, --workdir string Working directory inside the container
Updates a service as described by the specified parameters. This command has to be run targeting a manager node. The parameters are the same as docker service create. Please look at the description there for further information.
$ docker service update --limit-cpu 2 redis