Node.js: Configure SSH keys

This documentation is part of the Deploy with GitHub actions guide. View the full guide here: Learn how to deploy your Node.js code using GitHub Actions.

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• Deploy your application in seconds with a simple git push.
• Use your own domain name and benefit from the automatic configuration of HTTPS certificates for enhanced security.
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• Get optimal performance and robust security thanks to a private and dedicated VM.

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SSH keys allow GitHub Actions to securely connect to your Node.js service when deploying your code. This is a crucial step for protecting your Stackhero services.

On your computer, you can generate new SSH keys using:

ssh-keygen -C "" -f /tmp/ssh_key -N ""

Set the public key

To view the public key you just created, run:

cat /tmp/ssh_key.pub

Next, in your Stackhero dashboard, select your production Node.js service and click the Configure button.

Get service settings

Continue with these steps:

1. In SSH public keys, click on Add a public key.
2. For Description, enter GitHub Action.
3. For Key, paste the public key you copied earlier.

Get service settings

Set the private key

Now, switch to GitHub and open your project repository. Click on Settings, then select Environments. Choose New environment.

Configuring GitHub environments

Enter "production" for the Name and confirm.

Setting the environment

Click the No restriction button, then choose Selected branches and tags.

Setting environment restrictions

Now click on Add deployment branch or tag rule, enter "production" in the Name pattern field, and click Add rule.

Setting environment branch

Setting environment branch

In Environment secrets, click on Add secret.

Add secret

To retrieve the private key you generated, run:

cat /tmp/ssh_key

In GitHub, use STACKHERO_SSH_PRIVATE_KEY as the Name and paste your private key into the Value field.

Setting the SSH private key secret

Then, in Environment variables, click on Add variable.

Setting variables

Enter STACKHERO_ENDPOINT as the Name and paste your Node.js service endpoint into the Value field. You can find this endpoint in your Stackhero dashboard.

Setting the endpoint variable

If you have set a custom domain name for your service, use your custom domain instead of <XXXXXX>.stackhero-network.com.

Delete the generated keys

For security, it is a good idea to remove the SSH keys from your computer after you have set them up on Stackhero and GitHub:

rm /tmp/ssh_key /tmp/ssh_key.pub