Dokku is a simple and lightweight containerized platform that allows developers to easily deploy and manage their applications. It is compatible with most popular programming languages and frameworks, making it a straightforward option for hosting modern web applications. In this tutorial, we will guide you through the process of installing Dokku on NixOS Latest.
Before proceeding with the installation, ensure that you have the following:
The first step is to ensure your system is up-to-date with the latest packages. You can do this by running the following command:
sudo nix-channel --update
sudo nixos-rebuild switch
To install Dokku on NixOS, you can use the Dokku Nix package. The package can be installed using the Nix package manager by running the following command:
sudo nix-env -i dokku
After installing Dokku, you need to configure it with basic settings. This includes setting the hostname, configuring SSH access, and enabling the necessary plugins.
To set the hostname, use the dokku domains:add command. Replace example.com with your domain name.
sudo dokku domains:add your-app-name example.com
Next, configure SSH access to allow you to remotely access your server using Git. Use the following command to create an authorized_keys file in your home directory with your SSH public key:
cat ~/.ssh/id_rsa.pub | sudo sshcommand acl-add dokku your-ssh-username
Finally, enable any necessary plugins using the dokku plugin:install command. For example, to enable the PostgreSQL plugin, run the following command:
sudo dokku plugin:install https://github.com/dokku/dokku-postgres.git
Once you are done with the configuration, you can deploy your application on Dokku. To deploy an app, use the dokku apps:create command to create a new application and assign a port to it, as shown below:
sudo dokku apps:create your-app-name
sudo dokku proxy:ports-add your-app-name http:80:5000
Then, push your code to the Dokku server using Git, as shown below:
git remote add dokku dokku@example.com:your-app-name
git push dokku master
After pushing, Dokku will start building and deploying your application.
In this tutorial, we have shown you how to install Dokku and deploy an application on NixOS Latest. With this guide, you can quickly set up a robust and scalable platform for your web applications.
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