docker dockerfile tutorial

Dockerfike quickly create a custom Docker mirrorA, Table of contents1.docker Typical structure2. Instruction Introduction3. Create Docker Mirrors Second, the structureThe Dockerfile is divided into four parts: the underlying mirror letter, the maintainer information, the mirroring operation instructions, and the execut

After the Docker 17.05 release, a new Dockerfile multi-stage build was added. The so-called multi-stage build, in effect, allows multiple from directives to appear in a dockerfile. What is the point of doing this? Why does the old version of Docker not support multiple from directives Prior to the 17.05 release of

Docker Learning Note II, based on Dockerfile to build Java Tomcat Runtime environmentObjectiveIn the first text, we completely manual, a command of a command input, implementation of a Java Tomcat runtime environment, although the initial results, but very tiring. If you rely on scripting to build a Tomcat container instance, a command can be done, why not. Fortunately,

Docker Dockerfile Detailed Category: DevOps 2014-05-15 11:0921652 People readComments (0)CollectionReportDockerdirectory (?) [+] How to use Dockerfile is used to create a custom image that contains user-specified software dependencies, and so on. Under current directory contains Dockerfile, use command build to create

actually equivalent to creating a template image, which can then be used to create a specific sub-image based on the template image, and some common operations that need to be performed during the sub-image build process can be specified in the Dockerfile file corresponding to the template image with the onbuild directive. This reduces the duplication of dockerfile files.Let's look at a simple example.1, f

Build Docker Image Simple recording of how to build Docker image Build Docker image Docker build Usage dockerfile related instruction RUN CMD entrypoint SHELL CMD entrypoint building ACTIVEMQ Image Reference The Docker build Usag

containers to be shared.Ii. creating a mount point from DockerfileThe mount points that are created above with the-V identity of the Docker Run command are valid only for the container that you create.The dockerfile VOLUME instruction allows you to create a mount point in the mirror so that only the containers created through the image have mount points.Another difference is that the mount point created by

Docker Commands and Dockerfile Docker Commands and Dockerfile Docker commands Dockerfile This paper focuses on the relevant knowledge of Docker comm

Using Dockerfile to create CentOS Docker mirrors with Apache services List of files prepared on the host: Dockerfile #启动ssh和apache服务的角本 run.sh The above files are placed in the/root/apache_centos directory Mkdir-p/root/apache_centos Cd/root/apache_centos Base mirroring: Mirroring of open SSH services based on mirrored CentOS [R

/.mongodb_password_set]; Then/set_mongodb_password.shFiIf ["$AUTH" = = "yes"]; ThenExport mongodb= '/usr/local/mongodb/bin/mongod--nojournal--auth--httpinterface--rest 'ElseExport mongodb= '/usr/local/mondodb/bin/mongod--nojournal--httpinterface--rest 'Fiif [!-f/data/db/mongod.lock]; ThenEval $mongodbElseExport mongodb= $mongodb '--dbpath/data/db 'Rm/data/db/mongod.lockMongod--dbpath/data/db--repair eval $mongodbFi⑤ Creating mirrorsCreate mirror Mongodb:latest based on

syntax and commands, and you can refer to Docker's official documentation. 2. With the Dockerfile file, you can create image files based on Dockerfile, and in the directory where Dockerfile is located, run the following command sudo docker build-t centos6-ssh. When the command succeeds, an image named Centos6-ssh i

The command used in Dockerfile has a base image specified from the from from, and in general a usable dockerfile must be from for the first instruction. As for the image, it can be any image image that is reasonably present. The from must be the first non-annotated instruction Dockerfile. The from can appear multiple times in a

parameters: Read our introduction volume The students should know volume This parameter is used to do what, here do not introduce, if not specified in the Dockerfile, can be specified by-V, of course, the two are different, For details, refer to the fifth chapter of the Docker article.2, workdir parameter: Use this parameter can specify "Run directory", for example you need a command to run under/bin/bash,