ufo task




Run a one-time task.


You can use the --command or -c option to override the Docker container command.

ufo task hi-migrate # default command
ufo task demo-web --command bin/migrate
ufo task demo-web --command bin/with_env bundle exec rake db:migrate:redo VERSION=xxx
ufo task demo-web -c uptime
ufo task demo-web -c pwd

Skipping Docker and Task Registration

The --task-only option is useful. By default, the ufo task command will build the docker image and then register a new task definition. The docker build process usually is the part that takes the most time. You can skip the docker build process after building it at least once. This is a faster way to run a bunch of commands with the same Docker image. Example:

ufo task demo-web -c uptime # build at least once
ufo task demo-web --task-only -c ls # skip docker for speed
ufo task demo-web --task-only -c pwd # skip docker for speed


    [--task-only], [--no-task-only]  # Skip docker and task register steps. Only run the task.
c, [--command=one two three]         # Override the command used for the container
    [--verbose], [--no-verbose]      
    [--mute], [--no-mute]            
    [--noop], [--no-noop]            
    [--cluster=CLUSTER]              # Cluster.  Overrides .ufo/settings.yml.

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