Docker Quick Start series (1): Image concepts and related operationsWhat is Docker?
One of the first questions I encountered about docker is what can docker do? What is docker? Here, let's take a look at Baidu encyclopedia's brief
All say container Dafa is good, but if there is no Docker image, how boring is Docker.Do you still remember the image you pulled from the Docker hub when you first contacted Docker? On the basis of that Virgin Mirror, you run the
Docker image, container, warehouse concept
Docker mirroring
Docker mirroring (image) is similar to a virtual machine image, and can be interpreted as a read-only template for the Docker
The Docker Run command is used to run a new container, and starting a container requires a lot of information, so there are a lot of parameters to this command, and the parameters supported by the command are analyzed in detail today.
First look at the format of the command:
Usage:docker Run [OPTIONS]
Summary
General idea: The Yum command installs Docker directly, downloads the desired image and launches
1, Environment, CENTOS7 Minimal 64-bit, Docker must have 64-bit system2. Install directly via Yum command, Yum installs Docker3. Start Docker and set it to boot(1) Start, systemctl start Docker.service(2) boot up,
1 First you have to prepare a hub account, go to https://hub.docker.com register it!2 Create a new warehouse at the hub, which is similar to the one on GitHub. Creation---> Create repository (Creating a knowledge Base) and then just a name, I'll call it Ubuntu, so the path is Wherein/ubuntu.3 Run Docker PS View container, here is to get to container ID4 Commit a container command:
Docker Warehouse Warehouses are places where image files are centrally stored. Sometimes the warehouse and the warehouse registration server (Registry) are confused, not strictly differentiated. In fact, the warehouse registration server often holds multiple warehouses, each of which contains multiple mirrors, each with a different label (tag).a Docker Registry c
Use Docker Registry to quickly build a private image repository1. Background
In Docker, when we run docker pull xxx, we may be curious. Where will Docker find and download the image?
It
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
Docker deploys the SpringBoot project to integrate the Redis image for access counting sample code, dockerspringboot
The final result is as follows:
About a few steps
1. Install Docker CE 2. Run Redis Image 3. Java environment preparation 4. Project Preparation 5. Write Doc
security vulnerabilities or hacks otherwise.
Update the Docker image
Once the "image is" downloaded into the host machine, "Next step" to update a particular Docker image are to create a Conta Iner using it.
Then the required modifications can be done in the container and
to create 2 projects,
A springboot project, we are temporarily named "Spring-boot-maker",
A Docker project, temporarily named "Docker-maker".
Spring-boot-maker project for its own application development, not involving any Docker-related content
Docker-maker project, make the Spring-boot-maker project a
This article mainly describes how to get traditional ASP. NET sites to run in Docker, focusing on Docker image setup.Conditions of Use:
Docker for Windows user switches to Windows container mode
Windows Server 2016 user opens Windows Container
Some conceptu
, here I close the Seliinux and firewall[Email protected] ~]# Vim/etc/selinux/config[Email protected] ~]# Systemctl stop Firewalld[Email protected] ~]# systemctl disable FIREWALLDRestart the virtual machine, then log back in, switch to the root account, start the Docker service, and see if the Docker service is running properlyOK, everything is fine, next check the Dock
Docker is becoming more and more popular, and if your team is ready to start using Docker, then a private repository is essential, first of all to help you speed up the pull image from the server, and, second, to help you store a private image. This article is about how to open a images backup from a public server to a
Execute Docker PS command, appear
"Cannot connect to the Docker daemon at Unix:///var/run/docker.sock. Is the Docker daemon running?
Error
It is now determined that the Docker itself is installed properly.
The problem is because the
/path/to/your/config:/config-v/etc/localtime:/etc/localtime:ro-- Net=host homeassistant/raspberrypi3-homeassistant:0 . xx.x Note: 1./path/to/your/config refers to your local HA configuration directory, which is used to store the HA configuration you want to run locally, such as the configuration.yaml configuration file 2 . :/config config here refers to the HA configuration directory in your Docker
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