When using the Dockerfile build image, it is sometimes found that the content sent to daemon is too largesendingbuildcontexttodockerdaemon 4.358gbstep0:fromxxx.xxx.com/centos:7--->218081f3bcdcstep1 :RUNmkdir-p/data/mysql/base--->Usingcache---> ac4aa04a93a1Step2:RUNaddusermysql--->Usingcache --->f30c90e0e589Step3:ADDbase/data/mysql/base---> 3666ada5715cremovingintermediatecontainerd65c5abdfe5cstep4:entrypoint /data/mysql/base/entrypoint.sh--->Runningin3be4e22baff7---> a73907b2fbd5removingintermed
1. Generating a Docker image for an ASP. NET Core ApplicationDownload this case project: Https://github.com/dotnet/dotnet-docker/tree/master/samples/aspnetappWhen the download is complete, generate a mirror named Aspnetapp image for this project.Docker build-t Aspnetapp.In order to make a difference I created a a.html file in wwwroot after the Aspnetapp image was generated, and another image named Webappa w
Today in the start of a Docker run Nginx instance, when the directory is mounted, access to the static directory, insufficient permissions
The commands executed are:
Docker run
--name my-nginx
-d-p 80:80
--restart=always
-v/cloud/nginx/webroot:/usr/share/nginx/ HTML:RW
-v/cloud/nginx/log:/var/log/nginx
-v/cloud/nginx/config/nginx.conf:/etc/nginx/nginx.conf:ro -
D Nginx
Description
1. Where/cloud
Reproduced in the process, the picture is missing, the code shows confusion.
For better learning content, please visit the original version:
https://www.missshi.cn/api/view/blog/5a6328110a745f6335000006
Ps: Initial access due to the large JS file, please wait patiently (5s or so)
in the previous article, we briefly introduced some simple practices of the Docker. Next, we'll talk about similar content in this article, but the services deployed with
Why serve something port mapping.
When you start the container, if you do not configure port mappings between the host machine and the virtual machine, the external program cannot access the virtual machine because there is no port.
What is the directive for port mapping.
Docker command: Docker run-p ip:hostPort:containerPort Redis
Use the-p parameter to map the host's port to the virtual machine.IP rep
A wild full-stack engineer configures the scheduled task crontab (DaoCloud + Docker + Laravel5) in a Docker container and prefers to study various new technologies.
Follow Now
Recently, the project involves the function of a scheduled task. so I went to study how to use crontab over the past few days and successfully enabled the function on my computer according to relevant online tutorials.Add crontab
1. Select the base imageDocker Pull Tomcat:7.0-jre82. Generate an HTTPS certificateKeytool-genkey-alias Tomcat-keyalg Rsa-keystore Tomcat.keystore[Email protected]:~/ssl# lsTomcat.keystore3. Launch the Tomcat container and import the certificate[Email protected]:/usr/local/tomcat# ls/tmp/Tomcat.keystore[Email protected]:/usr/local/tomcat# mkdir Keys[Email protected]:/usr/local/tomcat# cp/tmp/tomcat.keystore keys/[Email protected]:/usr/local/tomcat# ls keys/Tomcat.keystore4. CommitDo not exit con
1, from the container inside copy files to host.
Answer: Execute the following command in the host
Docker CP container name: The path of the file to be copied inside the container to be copied to the appropriate path of the host
Example: Assuming that the container is named Testtomcat, the file to be copied from the container is:/usr/local/tomcat/webapps/test/js/test.js, now to move test.js from the container Copy to the host's/opt path, so the comm
Docker CP: Used for data copies between containers and hosts. Grammar
Docker CP [OPTIONS] Container:src_path dest_path|-
Docker CP [OPTIONS] src_path|-Container:dest_path
Options Description:
-L: Keep a link instance from the source target
Copy the host./rs-mapreduce directory to the/home/cloudera directory of the container 30026605dcfe.
Understanding docker
The following are all translated from the official docker documentation. For more information, see Vikings.
What is docker?
Docker is an open-source platform designed to facilitate development, deployment, and application execution. You can use docker
Docker container data management and operation tutorial, docker container Data Management
Docker data volumes
What is a data volume?
Features of data volumes
Relationship between data volumes and containers
Add volumes for containers
Add permissions for data volumes
Data Volume container
What is a data volume container?
Structure of the data
Install vim In the docker container, and install vim In the docker container
When using docker containers, sometimes vim is not installed. When you press the vim command, the system prompts vim: command not found. At this time, you need to install vim, however, when you press the apt-get install vim command, the prompt is:
Reading package lists... DoneBuilding
1. Use Ststemctl command
Systemctl Enable Docker
2, move the Docker Docker.service service to the system service
# cp/usr/lib/systemd/system/docker.service/etc/systemd/system/#
systemctl daemon-reload #
Systemctl Restart DockerAfter restarting the Docker, the symbolic link is automatically generated under/etc/systemd/system/multi-user.target.wants
[ro
Docker service is a declarative, scalable, load-balanced application. Docker service is a user-oriented application, while Docker swarm is an IT-oriented node cluster.
Docker service is often run on the basis of Docker swarm.
Common commands for
is free to apply to the Aliyun host, of course, to use Docker to deploy my server. But today we have a problem with the following details:
# Docker Info
fata[0000] Cannot connect to the Docker daemon. Is ' docker-d ' running to this host?
# docker-d
info[0000] +job serveapi
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 and more people, projects and products begin to touch and use
Use docker for laravel development environment. By the way, we will introduce how to use laravel to set up the docker container cost commands. Laravel is one of the most popular php development frameworks in 2015.
I have some similar introductions on the Internet, but I think I should write one myself.Create a file and grant the executable permission. The objective is to run the coomposer image as a local
Docker data volumesA data volume is a specially crafted directory that can bypass the federated file System (UFS) and provide access to one or more containersFeatures of the data volume:The data volume is initialized when the container starts, and if the image used by the container contains data at the mount point, the data is copied to the newly initialized data volumeData volumes can be shared and reused between containersCan modify the contents of
Compose is a tool for defining and running Multi-container Docker applications. With Compose, you use a Compose file to configure your application ' s services. Then, using a single command, you create and start all the Servicesfrom your configuration. To learn more on all the features of Composesee the list of features.Compose is a tool for defining and running Multi-container Docker applications. With Com
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