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As container technology matures, more and more companies are beginning to adopt container technology, and the management of container images has become very important. One of the solutions for container image management is to use a container warehouse. This article will introduce how to use PHP to implement the open source Harbor container warehouse.
1. Introduction to Harbor Container Warehouse
Harbor is an enterprise-level Docker registry service that provides the function of storing and distributing Docker images in a safe and reliable internal enterprise environment. It provides authentication, authorization, access auditing and other functions, and supports enterprise identity authentication and auditing mechanisms such as LDAP/AD.
Using the Harbor container warehouse, you can store Docker images in a mirror library built within the enterprise, which can avoid relying on external warehouses and better control the access rights and image quality of the images. At the same time, it can also increase the download speed of the mirror and relieve network pressure.
2. Deploy the Harbor container warehouse
The Harbor container warehouse is built based on Docker, so you need to install Docker and Docker first Docker Compose. For specific installation methods, please refer to Docker official documentation.
You can get Harbor's source code from Harbor's GitHub repository and start the Harbor container repository through Docker Compose. The following is the command to obtain the Harbor source code:
$ git clone https://github.com/vmware/harbor.git $ cd harbor
Harbor’s configuration file is harbor.cfg. You can configure the Harbor container warehouse by modifying this file. Related parameters, such as host name, port number, database, etc.
Among them, the more commonly used configuration items are as follows:
hostname = example.com # Harbor的主机名 ui_url_protocol = https # 访问Harbor的协议 https_port = 443 # HTTPS端口，默认为443 harbor_admin_password = Harbor12345 # Harbor管理员的密码 harbor_db_password = root123 # 数据库密码
After modifying the configuration file, you can start Harbor with the following command Container warehouse:
$ sudo ./prepare $ sudo docker-compose up -d
This command will start the Harbor container and automatically build and start each required service. After the startup is completed, the web interface of the Harbor container warehouse can be accessed through a browser.
3. Use Harbor Container Warehouse
Before using Harbor Container Warehouse, you need to log in first to download and upload images. You can log in to the Harbor container warehouse through the following command:
$ docker login example.com
Among them, example.com is the host name of Harbor and needs to be modified according to the actual situation.
Downloading the image can be completed by the following command:
$ docker pull example.com/library/nginx:1.14.0
This command will download the name nginx:1.14 from the Harbor container repository .0 mirror. Likewise, example.com needs to be modified to Harbor’s actual hostname.
Uploading the image can be completed by the following command:
$ docker tag nginx:1.14.0 example.com/library/nginx:1.14.0 $ docker push example.com/library/nginx:1.14.0
This command will mark the local nginx:1.14.0 image with Harbor tag and upload it to the Harbor container repository.
4. Summary
By using the open source Harbor container warehouse, you can better manage Docker images, provide more reliable and secure container image services, and help enterprises better integrate containers Technology is applied in a production environment. Using PHP to implement the open source Harbor container warehouse allows us to better understand the implementation principles of the container warehouse, and can modify and expand it according to actual needs.
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