How to Self-Host GitLab CE on a VPS (Complete Guide)

In this guide, we will walk you through the process of self-hosting GitLab CE (Community Edition) on a VPS. GitLab is a popular open-source tool for version control and CI/CD, making it a perfect choice for developers and homelabbers who want control over their development environment. Using a VPS gives you the flexibility and control you need to manage your projects efficiently.

Why Self-Host GitLab CE?

Self-hosting GitLab CE allows you to:

• Maintain data privacy and security.
• Customize your GitLab instance to meet your specific needs.
• Avoid vendor lock-in associated with cloud solutions.

Before we dive into the installation process, here are the VPS providers we recommend for hosting GitLab CE:

For a complete VPS comparison, check out our full VPS comparison.

Prerequisites

1. VPS Setup: Choose any of the listed VPS providers above.
2. Operating System: We will use Ubuntu 20.04 LTS for this guide.
3. Root Access: You need root access to the VPS.
4. Domain Name (optional): For easier access and management, point a domain to your VPS IP.

Step-by-Step Installation

Step 1: Connect to Your VPS

Use SSH to connect to your VPS. Replace your_username and your_ip_address with your actual credentials:

ssh your_username@your_ip_address

Step 2: Update Your System

Make sure your system packages are up to date:

sudo apt-get update
sudo apt-get upgrade -y

Step 3: Install Required Dependencies

GitLab CE requires certain dependencies. Install them using:

sudo apt-get install -y curl openssh-server ca-certificates
sudo apt-get install -y postfix  # You can use any mail server alternatives

Step 4: Add the GitLab Repository

Download and install the GitLab CE package:

curl -s https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | sudo bash

Choose the URL for your GitLab instance:

sudo EXTERNAL_URL="http://gitlab.example.com" apt-get install gitlab-ce

Replace http://gitlab.example.com with your actual domain or IP address.

Step 5: Configure and Start GitLab

Once the installation is complete, configure and start GitLab:

sudo gitlab-ctl reconfigure

After reconfiguration, GitLab will be available at your specified URL.

Step 6: Set Up GitLab

Access GitLab from your web browser. The first time you access it, you’ll be prompted to set up the password for the root user. Log in with root and your new password.

Step 7: Configure Email (Optional)

For GitLab notifications, you can configure SMTP settings in the GitLab configuration file (/etc/gitlab/gitlab.rb). After changes, remember to reconfigure:

sudo gitlab-ctl reconfigure

Managing GitLab CE

You can manage GitLab through the web interface. Regularly check for updates and ensure that your server meets GitLab’s requirements as your projects grow.

Frequently Asked Questions

How secure is GitLab CE when self-hosted?

Self-hosting GitLab CE can be very secure, provided you follow best practices. Always ensure your server is up to date, use strong passwords, and consider setting up HTTPS for your GitLab instance. Utilize firewall rules to limit access and regularly back up your data. Integrating with security tools like Fail2Ban can help detect suspicious activities as well. When managed properly, self-hosted solutions can offer higher security than some managed alternatives.

Can I run GitLab CE on a low-spec VPS?

While GitLab CE can technically run on low-spec VPS, it is recommended to have at least 2 GB of RAM for a smoother experience, especially if multiple users are accessing the server. Performance may degrade on lower specs, particularly during intensive operations like CI/CD. However, if you have limited resources, consider using a lightweight configuration by disabling certain features or reducing the number of concurrent jobs.

What are the alternatives to GitLab CE for self-hosting?

There are several alternatives for self-hosting version control and CI/CD solutions. Some popular options include Gitea and Bitbucket Server, each with unique features suited for different needs. Gitea, for example, is lightweight and easier to set up, making it great for smaller projects. Bitbucket Server offers robust integration with Jira, ideal for teams already using Atlassian products. Always evaluate your project’s requirements before choosing an alternative.

By following these steps, you can successfully self-host GitLab CE on your VPS. Enjoy robust version control and continuous integration tailored to your needs!