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Welcome to Docker for Mac! Docker is a full development platform for creating containerized apps, and Docker for Mac is the best way to get started with Docker on a Mac. See Install Docker for Mac for information on system requirements and stable & edge channels. Start a Dockerized web server. I thought I had posted this question here already but don't see it. If this is a repost, or if the answer is already given in another thread, please accept my apology. I'm a relative newbie at Unix. I purchased a G4 dual processor 450 and had OS X Jaguar 10.2.8 before upgrading to OS X Tiger 10.4.3. The shell is GUI interface that you use to run programs or view files, etc. By replacing the shell, you can completely change the look and feel of the GUI. Usually when replacing the Windows shell, users are looking for more control and customization options than what is provided in Windows.
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$ 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.
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For more information, see: • in the topic on. •.) Advanced On the Advanced tab, you can limit resources available to Docker.
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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.
