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{ const container = $el; // The div with overflow const item = document.getElementById('sidebar-current-page') if (item) { const containerTop = container.scrollTop; const containerBottom = containerTop + container.clientHeight; const itemTop = item.offsetTop - container.offsetTop; const itemBottom = itemTop + item.offsetHeight; // Scroll only if the item is out of view if (itemBottom > containerBo
When building with Docker, a layer is reused from the build cache if the instruction and the files it depends on hasn't changed since it was previously built. Reusing layers from the cache speeds up the build process because Docker doesn't have to rebuild the layer again. Here are a few techniques you can use to optimize build caching and speed up the build process: Order your layers: Putting the
Overview Docker Desktop Overview Install MacUnderstand permission requirements for MacWindows Use the MSI installer New OverviewInstall and configureUse IntuneFAQsUnderstand permission requirements for WindowsLinux Installation per Linux distro UbuntuDebianFedoraArchSign in Explore Docker Desktop OverviewExplore ContainersExplore ImagesExplore VolumesExplore BuildsResource Saver modePause Docker D
Profiles help you adjust your Compose application for different environments or use cases by selectively activating services. Services can be assigned to one or more profiles; unassigned services start by default, while assigned ones only start when their profile is active. This setup means specific services, like those for debugging or development, to be included in a single compose.yml file and
Why do I keep getting a notification telling me an application has changed my Desktop configurations?You receive this notification because the Configuration integrity check feature has detected that a third-party application has altered your Docker Desktop configuration. This usually happens due to incorrect or missing symlinks. The notification ensures you are aware of these changes so you can re
Docker may impose usage and rate limits for Docker Hub to ensure fair resource consumption and maintain service quality. Understanding your usage helps you manage your and your organization's usage effectively. UsageUsage refers to both: Pulls: The amount of data transferred from Docker HubStorage: The amount of data stored on Docker HubFair useWhen utilizing the Docker Platform, users should be a
Continuous Integration (CI) is the part of the development process where you're looking to get your code changes merged with the main branch of the project. At this point, development teams run tests and builds to vet that the code changes don't cause any unwanted or unexpected behaviors. �3@�UThere are several uses for Docker at this stage of development, even if you don't end up packaging your
Manage sensitive data with Docker secrets About secretsIn terms of Docker Swarm services, a secret is a blob of data, such as a password, SSH private key, SSL certificate, or another piece of data that should not be transmitted over a network or stored unencrypted in a Dockerfile or in your application's source code. You can use Docker secrets to centrally manage this data and securely transmit it
Rootless mode allows running the Docker daemon and containers as a non-root user to mitigate potential vulnerabilities in the daemon and the container runtime. Rootless mode does not require root privileges even during the installation of the Docker daemon, as long as the prerequisites are met. How it worksRootless mode executes the Docker daemon and containers inside a user namespace. This is ver
By default, a container has no resource constraints and can use as much of a given resource as the host's kernel scheduler allows. Docker provides ways to control how much memory, or CPU a container can use, setting runtime configuration flags of the docker run command. This section provides details on when you should set such limits and the possible implications of setting them. Many of these fea
Windows Subsystem for Linux (WSL) 2 is a full Linux kernel built by Microsoft, which lets Linux distributions run without managing virtual machines. With Docker Desktop running on WSL 2, users can leverage Linux workspaces and avoid maintaining both Linux and Windows build scripts. In addition, WSL 2 provides improvements to file system sharing and boot time. Docker Desktop uses the dynamic memory
The following development patterns have proven to be helpful for people building applications with Docker. If you have discovered something we should add, let us know. How to keep your images smallSmall images are faster to pull over the network and faster to load into memory when starting containers or services. There are a few rules of thumb to keep image size small: Start with an appropriate ba
Isolate containers with a user namespace Linux namespaces provide isolation for running processes, limiting their access to system resources without the running process being aware of the limitations. For more information on Linux namespaces, see Linux namespaces. The best way to prevent privilege-escalation attacks from within a container is to configure your container's applications to run as un
By default all files created inside a container are stored on a writable container layer. This means that: The data doesn't persist when that container no longer exists, and it can be difficult to get the data out of the container if another process needs it.A container's writable layer is tightly coupled to the host machine where the container is running. You can't easily move the data somewhere
When you use a bind mount, a file or directory on the host machine is mounted from the host into a container. By contrast, when you use a volume, a new directory is created within Docker's storage directory on the host machine, and Docker manages that directory's contents. When to use bind mountsBind mounts are appropriate for the following types of use case: Sharing source code or build artifacts
Docker Desktop Overview Install Docker Desktop Install on MacUnderstand permission requirements for MacInstall on WindowsUnderstand permission requirements for WindowsInstall on Linux Installation per Linux distro Install on DebianInstall on FedoraInstall on UbuntuInstall on ArchSign in Explore Docker Desktop OverviewExplore ContainersExplore ImagesExplore VolumesExplore Builds (Beta)Resource Save
This page describes how to configure the Docker CLI to use proxies via environment variables in containers. This page doesn't describe how to configure proxies for Docker Desktop. For instructions, see configuring Docker Desktop to use HTTP/HTTPS proxies. If you're running Docker Engine without Docker Desktop, refer to Configure the Docker daemon to use a proxy to learn how to configure a proxy se
By default, when the Docker daemon terminates, it shuts down running containers. You can configure the daemon so that containers remain running if the daemon becomes unavailable. This functionality is called live restore. The live restore option helps reduce container downtime due to daemon crashes, planned outages, or upgrades. Note Live restore isn't supported for Windows containers, but it does
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