But there are a few other possibilities to install it on Mac OS. For me, it’s the easiest and safest way. In order to follow our policy on keeping the container stack (docker.io, containerd, and runc) up-to-date in our supported releases, let's backport the stack in Impish to Hirsute, Focal, and Bionic.In this post, I want to show you how to install Docker by using brew which installation process I wrote last time. Docker is one of the exceptions, and has the latest release in 20.04, and also 21.04 and even 18.04.
![]() ![]() ![]() Why Does Docker Have An Old Compose Version Install It OnOne thing you need to know, if something goes wrong, just try to restart your docker machine. You can dump all available commands just by typing docker-machine -help but most likely you will use three of them: docker-machine start defaultI guess I don’t have to describe what exactly this commands do. Docker-machineThis tool allows you to prepare a lot of docker machines on your Mac OS, so you can have a lot of containers on many Linux distributions. These tools are not required but they are the strength of docker. Of course, and HTTP server requires access to PHP.To work with docker-compose you need to create an YAML file called docker-composer.yml where you describe which container you want to create and how they are linked between each other.That file can look like this: version: '2'As you can see, you are creating two containers, first, contains MySQL database and second one – a WordPress instance. For example, PHP app needs information from a database, but it doesn’t need access to HTTP server. Of course, you can run containers for each process manually, which is not a big deal with 3 containers, but trust me it escalates very fast, so you need an easy tool to manage your container and to manage the dependencies because one container can require access to another container. Usb video alternative for macYou can manage of course each particular container directly from command line using command docker. How to useEverything that you need is in the section above. If it is needed – rebuild and remove old unused containers. This solution prevents loosing data when you turn off your Mac, or just reset docker-machine or this particular container.If you want to read something more about parameters available in docker-compose file, you can just go to docker documentation.Docker-compose, as well as other tools, provides a lot of commands available from a terminal, the number one is: docker-compose up -d -build -remove-orphansThis command runs all containers defined in your docker-compose file. Sharing filesIf you installed a docker as described above you can share only files from your /Users/ folder. Fortunately, you just need to follow some rules to enjoy work with docker. Potential problemsBecause you are trying to run Linux environment on Mac OS you can some across a lot strange problems if you want to use it in common work. You need to know what is IP of your docker machine and you can check it using command line just typing this: docker-machine ip defaultYou see IP and then use that IP in your /etc/hosts file. Access by domainProbably you want to access to your container by your web browser using some domains. If you are backend develop you don’t share frontend javascript libraries, just put in into inside container.Don’t forget to ignore cache and logs files! Access via domain/IPRestarting Mac OS or docker-machine sometimes restarts also IP of the docker machine. So, if you want to boost up your application you have to remember to share only needed files. Speed of I/O processBecause docker needs transfer files between your Mac OS and Linux using the NFS it’s always more slowly then operation directly on your disk. If you don’t see your files, just try to reinstall Docker and xhyve.
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