Docker advocates the PAAs, where each container should be a product, and streamlining is the core. So many of the underlying images start up, and a service process does not. Based on each container should be a product of the purpose, as long as a port to provide services, so Docker by default does not provide fixed IP solution. That is, all containers have no IP, and the host opens the port and maps to a co
At present, I use Docker to do CaaS platform, mainly to solve:1, operation and maintenance of sandbox environmental testing;2, research and development of semi-automated code deployment and rollback;3, clustered application and auto scale.The 3 points are now fulfilled, but there is a problem when contacting the 2nd and 3rd. In the 2nd, the development test successful code will be packaged as a images, put into a private library, and then the 3rd clus
Dockerhub's php official image is as follows: hub.doc ker.com _ php instructions: as shown in the red box, it probably means that I can create a new Docerfile in the php code directory, then pack the code and the downloaded php image together to build a new image...
Docker hub php official
: 3a07b4e06c73b2e3924008270c7f3c3c6e3f70d4dbb814ad8bff2697123ca33c
At this point, the image has been registry removed from the mark and the external access pull is not available. However registry , the local space is not released and needs to wait for garbage collection to be released. While garbage collection cannot be done online, it must be stopped and registry then executed. For example, if registry you
Docker creates an image with Tomcat installed with the process: Download the image first, start the container with mirroring, install Tomcat in the container, and then save the Tomcat container as a new image.
There are many ways Docker downloads images, such as
sudo
1. Download the dind imageDocker Pull Docker:dind2. Perform the imageDocker run-it--privileged--name some-docker-d docker:dind3. In-mirror processing--no-cache Icu-libs4. Download the Dotnet tar packageHTTPS://www.microsoft.com/net/download/thank-you/dotnet-sdk-2.1.302-linux-x64-alpine-binaries Very clear for theHTTPS://download.microsoft.com/download/4/0/9/40920432-3302-47a8-b13c-bbc4848ad114/ Dotnet-sdk-2
Since the official website of the mirror is generally minimal installation and no SSH installation, today we have a Docker official website CentOS image as an example to install SSH.
1, to see if the mirror is CentOS, if there is a follow-up operation, not to pull one.2, build an SSH mirror.Create the container and map the host port 22000 to the container's 22 port:Docker
Docker MySQL image installation and useDocker MySQL This time uses the download Docker.index.io already has the mirror Orchardup/mysqlReference: https://index.docker.io/u/orchardup/mysql/The steps are as follows:Download image
$ docker pull orchardup/mysql
Running a MySQL
Package a Docker image so that your friends can load and open a container and output hello and world to the specified file every second,
I. Two script codes
Dockerfile
1 FROM bash2 COPY . /usr/herui/3 WORKDIR /usr/herui/4 CMD [ "sh", "hello_world.sh" ]
Hello_world.sh
1 #!/bin/bash2 while true3 do4 echo 'hello world!' >> /usr/herui/hello_world.log5 sleep 16 done
Ii. package it into an
This will show you the process of using Dockerfile to create a Docker image with Apache services.Preparatory work:First, create a Apache_centos working directory in which[Email protected] ~]# mkdir apache_centos cd Apache_centos[email protected] apache_centos]# Touch Dockerfile run.sh[Email protected] apache_centos]# mkdir sample[email protected] apache_centos]# cat DockerfileFrom Docker.io/centos:latest#设
Docker pull down on Ubuntu, using apt-get install command download speed is extremely slow, need to modify its software source, into the ETC/APT directory to repair sources.list found vi,vim,gedit are not, The software is also very slow.Solve:1. When you start the container, mount the etc/apt file of the local Linux system Docker run-ti-v/etc/apt/:/home/etc ubunt
Project background:We are a cloud service provider, and we use Dockerfile to create an image that supports the SSH service to the user. Does that sound really cool? In fact, Docker is able to meet this demand!!! Everyone can be a cloud service Provider!!!!Lab Environment:VMware Workstation 11Under the centos7.0 systemServer: ip:192.168.0.61SECURECRT (SSH remote connection software)Experimental process:First
docker:/root# Docker PS CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES f3cb864be528 192.168.32.150:5000/zjzc_centos6.5_templat E "Bash" about a minute ago up about a minute zjzc_test99 d25712059 702 192.168.32.150:5000/zjzc_centos6.5_m2 "bash" 7 minutes ago up 7 minutes Sick_wright 8302f2eb1c9e 192.168.32.150:50
Tags: ubuntu djang class Run comment variable repo modify pipA docker pull ubuntu, first download down a mirror,Or start a mirror locallyDocker Run-i-T Ubuntu/bin/bashTwoEnter a certain update operation# Shell on Container$ apt-get Update$ apt-get-y Install Python-pip$ pip Install DjangoThe above action is to update the source and then install Pip and DjangoThree
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