$ docker run hello-world Unable to find image 'hello-world:latest' locally latest: Pulling from library/hello-world ca4f61b1923c: Pull complete Digest: sha256:ca0eeb6fb05351dfc8759c20733c91def84cb8007aa89a5bf606bc8b315b9fc7 Status: Downloaded newer image for hello-world:latest Hello from Docker! This message shows that your installation appears to be working correctly. Start a Dockerized web server. Like the hello-world image above, if the image is not found locally, Docker pulls it from Docker Hub. $ docker run -d -p 80:80 -name webserver nginx.
In a web browser, go to to view the nginx homepage. Because we specified the default HTTP port, it isn’t necessary to append:80 at the end of the URL. Early beta releases used docker as the hostname to build the URL. Now, ports are exposed on the private IP addresses of the VM and forwarded to localhost with no other host name set. View the details on the container while your web server is running (with docker container ls or docker ps): $ docker container ls CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 90 nginx 'nginx -g 'daemon off' About a minute ago Up About a minute 0.0.0.0:80-80/tcp, 443/tcp webserver.
Stop and remove containers and images with the following commands. Use the “all” flag ( -all or -a) to view stopped containers. $ docker container ls $ docker container stop webserver $ docker container ls -a $ docker container rm webserver $ docker image ls $ docker image rm nginx Preferences menu Choose → Preferences from the menu bar and configure the runtime options described below. General General settings are:. Start Docker when you log in: Uncheck this option if you don’t want Docker to start when you open your session. Automatically check for updates notifies you when an update is available.
Click OK to accept and install updates (or cancel to keep the current version). If you disable this option, you can still find out about updates manually by choosing → Check for Updates. Include VM in Time Machine backups backs up the Docker for Mac virtual machine. (Disabled by default.). Securely store Docker logins in MacOS keychain stores your Docker login credentials. (Enabled by default.).
Send usage statistics — Send diagnostics, crash reports, and usage data to Docker. This information helps Docker improve the application and get more context for troubleshooting problems. (Enabled by default.) File sharing Choose which local directories to share with your containers.
File sharing is required for volume mounting if the project lives outside of the /Users directory. In that case, share the drive where the Dockerfile and volume are located. Otherwise, you get file not found or cannot start service errors at runtime. File share settings are:. Add a Directory: Click + and navigate to the directory you want to add.
Apply & Restart makes the directory available to containers using Docker’s bind mount ( -v) feature. There are some limitations on the directories that can be shared:. They cannot be a subdirectory of an already shared directory. They cannot already exist inside of Docker. For more information, see:.
in the topic on.) Advanced On the Advanced tab, you can limit resources available to Docker. Advanced settings are: CPUs: By default, Docker for Mac is set to use half the number of processors available on the host machine. To increase processing power, set this to a higher number; to decrease, lower the number. Memory: By default, Docker for Mac is set to use 2 GB runtime memory, allocated from the total available memory on your Mac.
To increase RAM, set this to a higher number; to decrease it, lower the number. Swap: Configure swap file size as needed.
The default is 1 GB. Disk Specify the Disk image location of the Linux volume, where containers and images are stored. You can also move the disk image location. If you attempt to move the disk image to a location that already has one, you get a prompt asking if you want to use the existing image or replace it. Proxies Docker for Mac detects HTTP/HTTPS Proxy Settings from macOS and automatically propagates these to Docker and to your containers. For example, if you set your proxy settings to Docker uses this proxy when pulling containers. When you start a container, your proxy settings propagate into the containers.
$ docker run -it alpine env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin HOSTNAME=b7edf988b2b5 TERM=xterm HOME=/root HTTPPROXY=httpproxy=noproxy=.local, 169.254/16 You can see from the above output that the HTTPPROXY, httpproxy, and noproxy environment variables are set. When your proxy configuration changes, Docker restarts automatically to pick up the new settings. If you have containers that you wish to keep running across restarts, you should consider using. Daemon You can configure options on the Docker daemon that determine how your containers run.
Select Basic to configure the daemon with interactive settings, or select Advanced to edit the JSON directly. Experimental features Both Docker for Mac Stable and Edge releases have experimental features enabled on Docker Engine, as described. If you uncheck experimental mode, Docker for Mac uses the current generally available release of Docker Engine.
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Don’t enable experimental features in production Experimental features are not appropriate for production environments or workloads. They are meant to be sandbox experiments for new ideas. Some experimental features may become incorporated into upcoming stable releases, but others may be modified or pulled from subsequent Edge releases, and never released on Stable. You can see whether you are running experimental mode at the command line.
If Experimental is true, then Docker is running in experimental mode, as shown here. (If false, Experimental mode is off.). $ kubectl config get-contexts $ kubectl config use-context docker-for-desktop If you installed kubectl with Homebrew, or by some other method, and experience conflicts, remove /usr/local/bin/kubectl. To enable Kubernetes support and install a standalone instance of Kubernetes running as a Docker container, select Enable Kubernetes, choose the and click the Apply button.
An Internet connection is required. Images required to run the Kubernetes server are downloaded and instantiated as containers, and the /usr/local/bin/kubectl command is installed on your Mac.
When Kubernetes is enabled and running, an additional status bar item displays at the bottom right of the Docker for Mac Preferences dialog. The status of Kubernetes shows in the Docker menu and the context points to docker-for-desktop. By default, Kubernetes containers are hidden from commands like docker service ls, because managing them manually is not supported. To make them visible, select Show system containers (advanced) and click Apply and restart. Most users do not need this option. To disable Kubernetes support at any time, deselect Enable Kubernetes.
The Kubernetes containers are stopped and removed, and the /usr/local/bin/kubectl command is removed. For more about using the Kubernetes integration with Docker for Mac, see. Reset Select - Preferences from the menu bar, then click Reset to reset factory defaults, restart the Docker daemon, or uninstall. Reset settings are:. Restart - Select to restart the Docker daemon.
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Remove all data - This option removes/resets all Docker data without a reset to factory defaults (which would cause you to lose settings). Reset to factory defaults - Choose this option to reset all options on Docker for Mac to its initial state, the same as when it was first installed. Uninstall - Choose this option to remove Docker for Mac from your system. Uninstall Docker for Mac from the commandline To uninstall Docker from Mac from a terminal, run: -uninstall. If your instance is installed in the default location, this command provides a clean uninstall.
$ /Applications/Docker.app/Contents/MacOS/Docker -uninstall Docker is running, exiting. Docker uninstalled successfully. You can move the Docker application to the trash. You might want to use the command-line uninstall if, for example, you find that the app is non-functional, and you cannot uninstall it from the menu. Add TLS certificates You can add trusted Certificate Authorities (CAs) (used to verify registry server certificates) and client certificates (used to authenticate to registries) to your Docker daemon. Add custom CA certificates (server side) All trusted CAs (root or intermediate) are supported.
Docker for Mac creates a certificate bundle of all user-trusted CAs based on the Mac Keychain, and appends it to Moby trusted certificates. So if an enterprise SSL certificate is trusted by the user on the host, it is trusted by Docker for Mac. To manually add a custom, self-signed certificate, start by adding the certificate to the macOS keychain, which is picked up by Docker for Mac.
Here is an example. $ security add-trusted-cert -d -r trustRoot -k /Library/Keychains/login.keychain ca.crt See also,. Note: You need to restart Docker for Mac after making any changes to the keychain or to the /.docker/certs.d directory in order for the changes to take effect. For a complete explanation of how to do this, see the blog post.
Add client certificates You can put your client certificates in /.docker/certs.d/:/client.cert and /.docker/certs.d/:/client.key. When the Docker for Mac application starts up, it copies the /.docker/certs.d folder on your Mac to the /etc/docker/certs.d directory on Moby (the Docker for Mac xhyve virtual machine). You need to restart Docker for Mac after making any changes to the keychain or to the /.docker/certs.d directory in order for the changes to take effect. The registry cannot be listed as an insecure registry (see ).
Docker for Mac ignores certificates listed under insecure registries, and does not send client certificates. Commands like docker run that attempt to pull from the registry produce error messages on the command line, as well as on the registry.
Directory structures for certificates If you have this directory structure, you do not need to manually add the CA certificate to your Mac OS system login. /Users//.docker/certs.d/ └──: ├── client.cert └── client.key To learn more about how to install a CA root certificate for the registry and how to set the client TLS certificate for verification, see in the Docker Engine topics. Install shell completion Docker for Mac comes with scripts to enable completion for the docker, docker-machine, and docker-compose commands.
The completion scripts may be found inside Docker.app, in the Contents/Resources/etc/ directory and can be installed both in Bash and Zsh. Bash Bash has To activate completion for Docker commands, these files need to be copied or symlinked to your bashcompletion.d/ directory. For example, if you installed bash via. Etc =/Applications/Docker.app/Contents/Resources/etc ln -s $etc/docker.bash-completion $(brew -prefix )/etc/bashcompletion.d/docker ln -s $etc/docker-machine.bash-completion $(brew -prefix )/etc/bashcompletion.d/docker-machine ln -s $etc/docker-compose.bash-completion $(brew -prefix )/etc/bashcompletion.d/docker-compose Zsh In Zsh, the takes care of things. To activate completion for Docker commands, these files need to be copied or symlinked to your Zsh site-functions/ directory.
For example, if you installed Zsh via. Etc =/Applications/Docker.app/Contents/Resources/etc ln -s $etc/docker.zsh-completion /usr/local/share/zsh/site-functions/docker ln -s $etc/docker-machine.zsh-completion /usr/local/share/zsh/site-functions/docker-machine ln -s $etc/docker-compose.zsh-completion /usr/local/share/zsh/site-functions/docker-compose Give feedback and get help To get help from the community, review current user topics, join or start a discussion, log on to our. To report bugs or problems, log on to, where you can review community reported issues, and file new ones.
See for more details. To give us feedback on the documentation or update it yourself, use the Feedback options at the bottom of each docs page. Docker Store Choose Docker Store from the Docker for Mac menu to get to the Docker app downloads site. Is a component of the next-generation Docker Hub, and the best place to find compliant, trusted commercial and free software distributed as Docker Images.
Docker Cloud You can access your account from within Docker for Mac. Ifx's piranha for mac. From the Docker for Mac menu, sign in to Docker Cloud with your Docker ID, or create one. Then use the Docker for Mac menu to create, view, or navigate directly to your Cloud resources, including organizations, repositories, and swarms. Check out these to learn more:. Need a direct link to Cloud?.
Where to go next. Try out the walkthrough at. Dig in deeper with example walkthroughs and source code. For a summary of Docker command line interface (CLI) commands, see. Check out the blog post,.
A brand new DLC pack is heading to Bethesda’s MMO The Elder Scrolls Online. The DLC content is titled Dragon Bones and brings a whole lot of new content including two new dungeons along with other new features. The two dungeons are called Scalecaller Peak and Fang Lair. These two dungeons will be playable in Normal and Veteran modes. Other than the dungeons, new monster sets, achievements and items will be available for players to find.
It remains to be seen what items players will get to actually see in the game. This DLC content will release along with Update 17 which will also add the new Outfit System, two new battlegrounds, and more. This DLC content will be freely available to all subscribers of the game while other players will have to purchase it with Crowns. Update 17 however will be free for everyone to access. The DLC content and the Update will both be releasing in February, 2018.