How to Install OpenFaaS on NixOS Latest

OpenFaaS is an open-source platform that enables developers to create and deploy serverless functions effortlessly. In this tutorial, we will provide you with a step-by-step guide on how to install OpenFaaS on NixOS Latest.

Prerequisites

Before starting with the installation, ensure that you have the following:

  • A server running NixOS Latest
  • Root or sudo user access
  • Basic knowledge of working with the command line interface (CLI)

Step 1: Install Docker

To use OpenFaaS, Docker must be installed on your machine.

sudo systemctl enable docker
sudo systemctl start docker

Step 2: Install faasd

OpenFaaS has a lite version called faasd, which stands for "Functions as a Service Daemon." Faasd is a lightweight version of OpenFaaS designed for low-resource environments. To install faasd, execute the following commands:

sudo nix-env -f https://github.com/openfaas/faasd/releases/download/0.13.0/faasd-0.13.0.drv -i

Step 3: Enable and start faasd

Once faasd is installed, enable and start it by running the following command:

sudo systemctl enable --now faasd

It will start the service and ensure that it starts every time the server is restarted.

Step 4: Install OpenFaaS CLI

OpenFaaS CLI is a command-line tool used to interact with the OpenFaaS platform. You will need it to interact with the platform and manage functions. To install OpenFaaS CLI, execute the following commands:

sudo nix-env -f https://github.com/openfaas/faas-cli/releases/download/0.13.1/faas-cli-0.13.1.drv -i

Step 5: Setup

Now that OpenFaaS is installed, you need to set up the platform. You can do this by running the following command:

$ export OPENFAAS_URL="http://127.0.0.1:8080"

$ echo -n PASSWORD | faas-cli login --username admin --password-stdin

Note: Replace PASSWORD with your desired password.

After running the above commands, the setup is complete, and you can start using OpenFaaS.

Conclusion

In this tutorial, we have shown you how to install OpenFaaS on NixOS Latest. After installation, you can create and deploy serverless functions with ease. If you encounter any issues during the installation process or have any questions, please do not hesitate to leave a comment below.