Getting Started

The following guide will help introduce you to the basics of Task. We'll cover how to create a Taskfile, how to write a basic task and how to call it. If you haven't installed Task yet, head over to our installation guide.

Creating your first Taskfile

Once Task is installed, you can create your first Taskfile by running:

task --init

This will create a file called Taskfile.yml in the current directory. If you want to create the file in another directory, you can pass an absolute or relative path to the directory into the command:

task --init ./subdirectory

Or if you want the Taskfile to have a specific name, you can pass in the name of the file:

task --init Custom.yml

This will create a Taskfile that looks something like this:

version: '3'

vars:
  GREETING: Hello, World!

tasks:
  default:
    cmds:
      - echo "{{.GREETING}}"
    silent: true

As you can see, all Taskfiles are written in YAML format. The version attribute specifies the minimum version of Task that can be used to run this file. The vars attribute is used to define variables that can be used in tasks. In this case, we are creating a string variable called GREETING with a value of Hello, World!.

Finally, the tasks attribute is used to define the tasks that can be run. In this case, we have a task called default that echoes the value of the GREETING variable. The silent attribute is set to true, which means that the task metadata will not be printed when the task is run - only the output of the commands.

Calling a task

To call the task, you simply invoke task followed by the name of the task you want to run. In this case, the name of the task is default, so you should run:

task default

Note that we don't have to specify the name of the Taskfile. Task will automatically look for a file called Taskfile.yml (or any of Task's supported file names) in the current directory. Additionally, tasks with the name default are special. They can also be run without specifying the task name.

If you created a Taskfile in a different directory, you can run it by passing the absolute or relative path to the directory as an argument using the --dir flag:

task --dir ./subdirectory

Or if you created a Taskfile with a different name, you can run it by passing the name of the Taskfile as an argument using the --taskfile flag:

task --taskfile Custom.yml

Adding a build task

Let's create a task to build a program in Go. Start by adding a new task called build below the existing default task. We can then add a cmds attribute with a single command to build the program.

Task uses mvdan/sh, a native Go sh interpreter. So you can write sh/bash-like commands - even in environments where sh or bash are usually not available (like Windows). Just remember any executables called must be available as a built-in or in the system's PATH.

When you're done, it should look something like this:

version: '3'

vars:
  GREETING: Hello, World!

tasks:
  default:
    cmds:
      - echo "{{.GREETING}}"
    silent: true

  build:
    cmds:
      - go build ./cmd/main.go

Call the task by running:

task build

That's about it for the basics, but there's so much more that you can do with Task. Check out the rest of the documentation to learn more about all the features Task has to offer! We recommend taking a look at the usage guide next. Alternatively, you can check out our reference docs for the Taskfile schema and CLI.