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Build a Docker registry private image to resolve the Docker private warehouse push error
applies To: Docker 1.8 Environment: Centos7
Each version of the
This is a creation in
Article, where the information may have evolved or changed.
Installing and deploying a private Docker registry is one of the only necessary technologies for introducing, learning and using Docker. Especially when Docker is accepted by the organization a
Build a private Docker Registry on CentOS 6 v2RegistryConceptReGistry is a stateless, highly extensible server-side application for storing and distributing Docker Image.Dependent installation1.InstallationDockerTo use Docker Registry
:[emailprotected]/v2/#output should be{}[emailprotected]:/docker-registry/nginx#8 copying DOCKERCA.CRT to the clientscp dockerCA.crt [emailprotected]:/usr/local/share/ca-certificates[emailprotected]‘s password:dockerCA.crt 100% 1302 1.3KB/s 00:00If the client does not have a/usr/local/share/ca-certificates directory, you need to create9 Client Login Server Warehouseupdate-ca-certificates service
image
[Root @ node ~] # Docker tag busybox: latest 172.18.18.90: 5000/busybox: v1
Format description: Usage: docker tag SOURCE_IMAGE [: TAG] TARGET_IMAGE [: TAG]
Busybox: lastest: this is the source image, which is also the image file from pull just now;172.18.18.90: 500/busybox: v1: This is the destination image and the IP address and port of the registry
":" Username/second-repo "
}
]
}
Create a mirror
We now create a very simple Docker mirror to test our new registry. On our computer, create a dockerfile with the following: Here's a little code, and I'll show you how to bind a rails application into a Docker container in the next article. ):
# Ruby 2.2.0 base mirror from
ruby:2.2.0
and cr
Tags: ADF success speed simple reg code latest version OSI blogWhy to build a Docker private warehouseThere are several reasons:
Project needs and do not want to put the project on the Docker hub.
Environmental requirements, considering the network, efficiency issues, we hope to establish a private server
;: []}Because we have not submitted an image like a private container, the returned result is null. Here we will try to submit an image. We can see that I have a registry image locally.Use the docker tag to mark my local image with id 7322fb474aa5 as 127.0.0.1: 5000/centosCommand format: docker tag IMAGE [: TAG] [REGIS
: 1) Install the Ca-certificates package
sudo yum install ca-certificates2) enable dynamic CA configuration feature
sudo update-ca-trust force-enable3) Copy key to/etc/pki/ca-trust/source/anchors/
sudo cp devdockerca.crt/etc/pki/ca-trust/source/anchors/4) Make the new copy of the certificate effective
sudo update-ca-trust extractAfter you copy the certificate, you need to restart Docker to ensure that the new certificate is available to
step: Test PullIt's also a pull on this machine.First delete the mirror 192.168.1.78:5000/mynginx (which was renamed by tag)Docker RMI 192.168.1.78:5000/mynginxAnd thenDocker imagesCan see that there is no 192.168.1.78:5000/mynginx this imageLet's start pulling this image.Docker Pull 192.168.1.78:5000/mynginxAnd then look.Docker imagesCan see that this 192.168.1.78:5000/mynginx is appearingIt means pull was successful.Seventh step: Pull the image on
How to deal with Docker private repository Registry and dockerregistry in minutes
1. What is the Docker private repository Registry?
The official Docker hub is a good place to manage pu
After using the Docker login command, you can push the image to the Dockerhub using the push command, but dockerhub on the public web, the free account has only one private repository free, All that remains is to be made public. Due to various restrictions, the creation of enterprise
Docker Registry Private Warehouse Build
The authorities have already provided many versions of the Linux image, which can be downloaded directly from the official warehouse (public repositories). If security and speed are considered, we may want to set up a private warehouse in our local area network (
names2355477e3c21 registry:2.3. 1 "/bin/registry/etc/d" 3 hours ago 3 Hours 0.0. 0.0:/tcp RegistryInstructions we have started the registry service, open the browser input http://127.0.0.1:5000/v2, the following situation shows that registry is working properly 3. V
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