CI/CD for Haskell

📚 Learn more about Haskell action features, integrations and alternatives.

Buddy lets you create delivery pipelines that will build, test and deploy your Haskell application on a single push to a branch. The pipelines consist of actions that you can configure depending on your needs. Example Haskell pipelineExample Haskell pipeline

Configuration is very easy and will only take a couple of minutes.

1. Select your Git repository

Buddy supports all popular Git hosting providers, including GitHub, Bitbucket, and GitLab. You can also use your own private Git server or host code directly on Buddy. Supported Git providersSupported Git providers

2. Add a new delivery pipeline

Enter the pipeline's name, select the trigger mode, and define the branch from which Buddy will fetch your code: Exemplary pipeline settingsExemplary pipeline settings

Branch assignment — this is the branch from which Buddy will deploy. If you set the trigger mode to On push, Buddy will execute the pipeline upon every push to that branch.

Trigger modes

  • Manual (on click) – recommended for Production
  • On push (automatic) – recommended for Development
  • Recurrently (on time interval) – recommended for Staging/Testing

3. Add actions

Buddy lets you choose from dozens of predefined actions. In this example, we'll add 4 actions that will perform the following tasks:

  • Build and test your Haskell application
  • Upload code to server
  • Run db migrations & restart server
  • Send notification to Slack

3.1 Build and test your Haskell app

Look up and click the Haskell action to configure it. Here you can choose the version of Haskell and determine the commands to execute. The default commands are:

cabal update
cabal install --only-dependencies --enable-tests
cabal configure --enable-tests
cabal build
cabal test
$$$$$

Haskell default build commandsHaskell default build commands

If your tests require a database to run, you can attach it in the Services tab: Services tabServices tab

3.2 Deploy application to server

The built app needs to be uploaded to the server. Head to the Transfer section and select your action (SFTP in our case): File transfer actionsFile transfer actions

When adding the action you can choose what and where should be uploaded: Setting up aSetting up a

3.3 Run db migrations & restart server

Once the app is deployed, you can run additional commands on your server with the SSH action: SSH action selectionSSH action selection

Enter the commands to execute and configure authentication details: Command consoleCommand console

3.4 Send notification to Slack

You can configure Buddy to send your team a message after the deployment. In this example we'll use Slack:

Notification action selectionNotification action selection

If you add this action to Actions run on failure, Buddy will only send a message if something went wrong with your build or deployment.

4. Summary

Congratulations! You have just automated your entire delivery process. Make a push to the selected branch and watch Buddy fetch, build, and deploy your project. With Continuous Delivery applied, you can now focus on what's really important: developing awesome apps! 🔥

Bear in mind that this article is only a brief example of what Buddy can do. You can create additional pipelines for staging and production environments, integrate with your favorite services (AWS, Google, Azure), trigger tests on pull requests, build Docker images, and push them to the registry—the possibilities are unlimited.
If you want us to create a delivery pipeline for your project, drop a line to support@buddy.works – we'll be happy to help!

Last modified on May 23, 2023

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