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Docker is a program that is used to encapsulate applications for deployment. It packages all the program dependencies and runs it in its own virtualized container. Docker runs on Windows 10, Mac OS and Linux. To work with Docker in your development environment you will need to download Docker Desktop for windows. For deployment you will need a server with Windows Server 2016 installed.
Swarm uses the Docker command line or the Docker Compose file format with a few additions. Give it a try with a few simple steps. First, make sure you are using Swarm as your orchestrator. Open Docker Desktop and select Preferences- Kubernetes. Make sure Swarm is selected and hit Apply if needed. In this post will learn about how to download and install Docker Desktop for Mac. Docker Desktop for Mac is an easy-to-install desktop app for building, debugging, and testing Dockerized apps on a Mac. Docker Desktop for Mac is a complete development environment deeply integrated with the Mac OS Hypervisor framework, networking, and filesystem. Docker Continue reading Download and Install. Docker Desktop stores Linux containers and images in a single, large “disk image” file in the Mac filesystem. This is different from Docker on Linux, which usually stores containers and images in the /var/lib/docker directory. On my Mac with MacOS 10.14.6 Mojave, running Docker version 19.03.8 that single large file can be found at.
Note:Docker has the ability to create Windows based containers and Linux based containers. Windows based containers are good for images where IIS is used to server web applications. Linux based containers are useful for Python applications that use wsgi to serve web applications.
Step-by-step installation for Docker Desktop for Windows 10
- Download Docker Desktop: https://hub.docker.com/signup
- You will need an account so you can access the repositories of pre-built images from the docker hub.
- Download Docker Desktop for you machine's OS and architecture.
- Run the installer and follow the instructions.
- Check the installation with the following command: docker --version
- Check the docker-compose installation: docker-compose --version
Create Your First Container
Run the following command create a test container: docker run hello-world
This will pull the hello-world image from the docker hub and run it. Look at the console output to determine if the build was successful.
The command docker info will return docker status info to the console. It will tell you have many images you have locally and which ones are running.
Command Line
#Outputs info to the console about the running containers.
docker container ps
#Outputs info to the console about all containers regardless of status.
docker container ps -la
#Careful with this! It cleans up all containers. Helpful when you are testing
docker system prune --all
Helpful Extension for VSCode
Install the Docker extension in Visual Studio Code. It provides a useful list of running containers. and container information on your local machine.
Docker Desktop Download Mac
Click on the extension icon on the left panel of vscode. Search for Docker and select and install the extension that is from Microsoft.