Detailed tutorial on using Docker to build Gitlab based on CentOS8 system

1. Install Docker
2. Install GitLab
3. Initialize GitLab

1. Install Docker

#1. Uninstall the old version yum remove docker \
    docker-client \
    docker-client-latest \
    docker-common \
    docker-latest \
    docker-latest-logrotate \
    docker-logrotate \
    docker-engine
    
#2. Download the required installation package sudo yum install -y yum-utils

#3. Set up a mirrored warehouse. It is recommended to use Alibaba Cloud's yum-config-manager, which is very fast.
    --add-repo \
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
    
#4. Update the yum package index yum makecache

#5 Install the latest version of containerd.io
dnf install https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
	
#6. Install docker-related content docker-ce community edition ee enterprise edition sudo yum install docker-ce docker-ce-cli --allowerasing

#7. Start Docker
systemctl start docker

#8. Determine whether the docker version is started successfully

2. Install GitLab

Official Documentation

①. Create a new container data volume folder

mkdir /data/gitlab/config -p
mkdir /data/gitlab/logs -p
mkdir /data/gitlab/data -p

②Run GitLab container

docker run --detach \
  --hostname localhost \
  --publish 4443:443 --publish 8880:80 --publish 2222:22 \
  --name gitlab \
  --restart always \
  --volume /data/gitlab/config:/etc/gitlab \
  --volume /data/gitlab/logs:/var/log/gitlab \
  --volume /data/gitlab/data:/var/opt/gitlab \
  gitlab/gitlab-ee:latest

Tracking and viewing logs

docker logs -f gitlab

③. Optimize memory usage. If the configuration is high enough, you can skip the optimization.

Because we mounted the container data volume, we can modify the configuration file directly on the host.

vim /data/gitlab/gitlab.rb

Ⅰ. Change memory limit settings

Uncomment

II. Reduce database cache

256 changed to 128

III. Reduce the number of concurrent databases

8 changed to 4

④. Access test

Open firewall ports

firewall-cmd --zone=public --add-port=8880/tcp --permanent
firewall-cmd --zone=public --add-port=4443/tcp --permanent
firewall-cmd --zone=public --add-port=2222/tcp --permanent

View the local ip

ip addr

Visit http://192.168.225.128:8880

3. Initialize GitLab

①. Login

Log in as root user and view the password:

docker exec -it gitlab grep 'Password:' /etc/gitlab/initial_root_password

Login successful, go to personal homepage to change password

②、Create a project

Select Internal as the permission level, so that everyone except external users can access it.

③. Install Git

yum install git
git version 2.27.0

④. Pull Project

git clone http://localhost:8880/root/customproject.git

⑤. Test and push changes to remote

cd customproject/touch test.txtgit add test.txtgit commit -m 'test push'git push origin main

⑥. Create your own account

After registration, log in to the administrator account, enter the personal homepage, click the little man in the upper right corner, enter the user interface, and then approve the newly registered user.

Click the project you just created, click Members , and invite the user you just created.

This is the end of this article about using Docker to build Gitlab based on CentOS8 system. For more relevant content about building Gitlab with Docker, please search for previous articles on 123WORDPRESS.COM or continue to browse the following related articles. I hope you will support 123WORDPRESS.COM in the future!

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