How to get gitlab to its own server

How to build GitLab on the server

GitLab is an open source code hosting management platform that provides code hosting, version control, task management, collaboration and CI/CD functions. Widely used in development teams. Although GitLab already provides hosting services on the Internet, in some special cases (such as special requirements for code security), we still need to build GitLab on our own server. The following is the specific implementation process of GitLab on the server.

Step one: Choose a suitable server

Before building GitLab, we need to choose a suitable server. Although GitLab does not have particularly high hardware requirements, considering the size of the team and future scalability, it is usually necessary to choose a server with a relatively high configuration, such as a server with a CPU of four cores or more and a memory of 16G or more.

Of course, the server's operating system also needs to be considered. The server operating systems supported by GitLab include Ubuntu, Debian, CentOS, Fedora, RHEL, and SUSE. It is recommended to choose a newer version and an operating system with better stability.

Step 2: Install the required dependencies

Before installing GitLab, you also need to install the required dependencies. We can install related dependencies under Ubuntu through the following command:

sudo apt-get update 
sudo apt-get install -y curl openssh-server ca-certificates tzdata perl

If it is under CentOS/RHEL, please use the following command to install related dependencies:

sudo yum install curl openssh-server postfix cronie
sudo systemctl enable postfix
sudo systemctl start postfix
sudo firewall-cmd --permanent --add-service=http
sudo systemctl reload firewalld

It should be noted that the above command is just Some basic dependencies required by GitLab have been installed. In subsequent installations, other dependencies may need to be installed.

Step 3: Download and install GitLab

After completing the installation of the above dependencies, we can start downloading and installing GitLab. First, download the GitLab installation package on the server:

curl -LO https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh

Note that the download address of the GitLab installation package may change, please refer to the official website.

Then, install GitLab:

sudo bash script.deb.sh
sudo apt-get install gitlab-ce

During the installation process, we need to enter the root password. After the installation is complete, we can access the GitLab page by accessing the server IP address or domain name.

Step 4: Modify the configuration file

In order to make GitLab work properly, we need to configure it some. Under Ubuntu, the configuration file is located in /etc/gitlab/gitlab.rb and can be modified using vi or nano editor.

It should be noted that every time you modify the configuration file, you must restart GitLab to apply the configuration:

sudo gitlab-ctl reconfigure
sudo gitlab-ctl restart

In the configuration file, you need to pay attention to the following points:

1. Configure the domain name or IP to access GitLab

Change "http://gitlab.example.com" in "external_url 'http://gitlab.example.com'" to The IP address or domain name of the server.

external_url 'http://192.168.1.100'

2. Change database type

By default, GitLab uses SQLite as the database. However, in practical applications, we need to use MySQL or PostgreSQL as the database. We can modify the database type in the configuration file:

# MySQL 
gitlab_rails['db_adapter'] = 'mysql2' 
gitlab_rails['db_encoding'] = 'utf8mb4' 
gitlab_rails['db_host'] = 'localhost' 
gitlab_rails['db_port'] = '3306' 
gitlab_rails['db_database'] = 'gitlabhq_production' 
gitlab_rails['db_username'] = 'root' 
gitlab_rails['db_password'] = 'your_mysql_password'

# PostgreSQL 
gitlab_rails['db_adapter'] = 'postgresql' 
gitlab_rails['db_encoding'] = 'unicode' 
gitlab_rails['db_host'] = 'localhost' 
gitlab_rails['db_port'] = '5432' 
gitlab_rails['db_database'] = 'gitlabhq_production' 
gitlab_rails['db_username'] = 'gitlab' 
gitlab_rails['db_password'] = 'your_postgresql_password'

3. Change SMTP information

In order to receive email notifications from GitLab, we need to configure the SMTP information. In the configuration file, we need to set the SMTP server, port, user name, password and other information:

gitlab_rails['smtp_enable'] = true 
gitlab_rails['smtp_address'] = "smtp.example.com" 
gitlab_rails['smtp_port'] = 465 
gitlab_rails['smtp_user_name'] = 'user@example.com' 
gitlab_rails['smtp_password'] = 'your_smtp_password' 
gitlab_rails['smtp_domain'] = 'example.com' 
gitlab_rails['smtp_tls'] = true 
gitlab_rails['gitlab_email_from'] = 'gitlab@example.com'

Step 5: Start GitLab

After completing the modification of the configuration file, we can pass the following command To start GitLab:

sudo gitlab-ctl start

GitLab will perform a self-check after startup to ensure that everything is working properly. If any problems occur, you can find the problem through the logs:

sudo gitlab-ctl tail

Summary

Through the above steps, we can build GitLab on the server and configure it accordingly. At the same time, we can use GitLab for team collaboration and code management to improve team efficiency and code quality.

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