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Get Started with Hatchet

This guide will help you get started with Hatchet, at the end of the guide you will have a Hatchet project with a basic task and a worker to execute the task.

Set environment variables

All Hatchet SDKs require the HATCHET_CLIENT_TOKEN environment variable to be set. This token is used to authenticate your requests to the Hatchet API. You can generate an API token from the Hatchet frontend by navigating to the Settings tab and clicking on the API Tokens tab. Click the Generate API Token button to create a new token. Set this environment variable in your project, and do not share it publicly.

export HATCHET_CLIENT_TOKEN="<your-client-token>"

Additionally, if you are a self-hosted user provisioning without TLS enabled, you will need to set the HATCHET_CLIENT_TLS_STRATEGY environment variable to none. If you are on Hatchet Cloud, TLS is enabled by default, so this is not required.

export HATCHET_CLIENT_TLS_STRATEGY=none

Setup your codebase

Clone a Quickstart Project

git clone https://github.com/hatchet-dev/hatchet-python-quickstart.git

CD into the project

cd hatchet-python-quickstart

Install dependencies

poetry install

Clone a Quickstart Project

git clone https://github.com/hatchet-dev/hatchet-typescript-quickstart.git

CD into the project

cd hatchet-typescript-quickstart

Install dependencies

npm install

pnpm install

yarn install

Clone a Quickstart Project

git clone https://github.com/hatchet-dev/hatchet-go-quickstart.git

CD into the project

cd hatchet-go-quickstart

Install dependencies

go mod tidy

Create a new project directory and cd into it

mkdir hatchet-tutorial && cd hatchet-tutorial

Initialize a new python project with required dependencies

Create a virtual environment

poetry shell

Initialize the project and install the Hatchet SDK

poetry init --dependency hatchet-sdk

Create project directories

mkdir src &&
mkdir src/workflows &&
mkdir src/workers

Instantiate your Hatchet Client

It is recommended to instantiate a shared Hatchet Client in a separate file as a singleton.

Create a new file called hatchet_client.py

touch src/hatchet_client.py

Add the following code to the file:

from hatchet_sdk import Hatchet
 
hatchet = Hatchet()

You can now import the Hatchet Client in any file that needs it.

from src.hatchet_client import hatchet

Create a new project directory and cd into it

mkdir hatchet-tutorial && cd hatchet-tutorial

Initialize a new typescript project with required dependencies

npm init -y && npm i @hatchet-dev/typescript-sdk && npm i ts-node dotenv typescript --save-dev && npx tsc --init

pnpm init && pnpm i @hatchet-dev/typescript-sdk && pnpm i ts-node dotenv typescript --save-dev && npx tsc --init

yarn init && yarn add @hatchet-dev/typescript-sdk && yarn add ts-node dotenv typescript --dev && npx tsc --init

Create project directories

mkdir src &&
mkdir src/workflows &&
mkdir src/workers

Instantiate your Hatchet Client

It is recommended to instantiate a shared Hatchet Client in a separate file as a singleton.

Create a new file called hatchet-client.ts

touch src/hatchet-client.ts

Add the following code to the file:

import { Hatchet } from "@hatchet-dev/typescript-sdk";
 
export const hatchet = Hatchet.init();

You can now import the Hatchet Client in any file that needs it.

import { hatchet } from "./hatchet-client";

Create a new project directory and cd into it

mkdir hatchet-tutorial && cd hatchet-tutorial

Initialize a new go project with required dependencies

go mod init hatchet-tutorial

Create project directories

mkdir workflows &&
mkdir workers

Instantiate your Hatchet Client

It is recommended to instantiate a shared Hatchet Client Factory in a separate file.

Create a new directory called hatchet_client and a new file called main.go in it.

mkdir hatchet_client &&
touch hatchet_client/main.go

Add the following code to the file:

package hatchet
 
import (
	"github.com/hatchet-dev/hatchet/pkg/client"
)
 
func Client() (client.Client, error) {
	return client.New()
}

Install the Hatchet SDK and required dependencies

go mod tidy

Import the Hatchet Client Factory

You can now import the Hatchet Client Factory in any file that needs it.

package main
 
import (
	"log"
 
	hatchet "hatchet-tutorial/hatchet_client"
)
 
func main() {
	hatchet, err := hatchet.Client()
	if err != nil {
		log.Fatal(err)
	}
}

Cd into your project directory

cd path-to-your-project

Install the Hatchet SDK and required dependencies

bash copy pip install hatchet-sdk

bash copy poetry add hatchet-sdk

Create project directories

By convention it is recommended to create your workflows in the workflows directory and your workers in the workers directory.

mkdir workflows &&
mkdir workers

Instantiate your Hatchet Client

It is recommended to instantiate a shared Hatchet Client in a separate file as a singleton.

Create a new file called hatchet-client.py in your project root.

touch hatchet-client.py

Add the following code to the file:

from hatchet_sdk import Hatchet
 
hatchet = Hatchet()

You can now import the Hatchet Client in any file that needs it.

from src.hatchet_client import hatchet

Cd into your project directory

cd path-to-your-project

Install the Hatchet SDK and required dependencies

npm i @hatchet-dev/typescript-sdk && npm i ts-node dotenv typescript --save-dev

pnpm i @hatchet-dev/typescript-sdk && pnpm i ts-node dotenv typescript --save-dev

yarn add @hatchet-dev/typescript-sdk && yarn add ts-node dotenv typescript --dev

Create project directories

By convention it is recommended to create your workflows in the workflows directory and your workers in the workers directory.

mkdir workflows &&
mkdir workers

Instantiate your Hatchet Client

It is recommended to instantiate a shared Hatchet Client in a separate file as a singleton.

Create a new file called hatchet-client.ts in your project root.

touch hatchet-client.ts

Add the following code to the file:

import { Hatchet } from "@hatchet-dev/typescript-sdk";
 
export const hatchet = Hatchet.init();

You can now import the Hatchet Client in any file that needs it.

import { hatchet } from "./hatchet-client";

Cd into your project directory

cd path-to-your-project

Create project directories

By convention it is recommended to create your workflows in the workflows directory and your workers in the workers directory.

mkdir workflows &&
mkdir workers

Instantiate your Hatchet Client

It is recommended to instantiate a shared Hatchet Client Factory in a separate file.

Create a new directory called hatchet_client and a new file called main.go in it.

mkdir hatchet_client &&
touch hatchet_client/main.go

Add the following code to the file:

package hatchet
 
import (
	"github.com/hatchet-dev/hatchet/pkg/client"
)
 
func Client() (client.Client, error) {
	return client.New()
}

Install the Hatchet SDK and required dependencies

go mod tidy

Import the Hatchet Client Factory

You can now import the Hatchet Client Factory in any file that needs it.

package main
 
import (
	"log"
 
	hatchet "hatchet-tutorial/src/hatchet_client"
)
 
func main() {
	hatchet, err := hatchet.Client()
	if err != nil {
		log.Fatal(err)
	}
}

Continue to the next section to learn how to create your first task

Hatchet Cloud Quickstart Tasks

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Get Started with Hatchet

Set environment variables

Setup your codebase

Clone a Quickstart Project

CD into the project

Install dependencies

Clone a Quickstart Project

CD into the project

Install dependencies

Clone a Quickstart Project

CD into the project

Install dependencies

Create a new project directory and cd into it

Initialize a new python project with required dependencies

Create a virtual environment

Initialize the project and install the Hatchet SDK

Create a virtual environment

Install the Hatchet SDK

(optional) save the dependencies to a requirements.txt file

Create project directories

Instantiate your Hatchet Client

Create a new project directory and cd into it

Initialize a new typescript project with required dependencies

Create project directories

Instantiate your Hatchet Client

Create a new project directory and cd into it

Initialize a new go project with required dependencies

Create project directories

Instantiate your Hatchet Client

Install the Hatchet SDK and required dependencies

Import the Hatchet Client Factory

Cd into your project directory

Install the Hatchet SDK and required dependencies

Create project directories

Instantiate your Hatchet Client

Cd into your project directory

Install the Hatchet SDK and required dependencies

Create project directories

Instantiate your Hatchet Client

Cd into your project directory

Create project directories

Instantiate your Hatchet Client

Install the Hatchet SDK and required dependencies

Import the Hatchet Client Factory