![]() ![]() Take a look at how Spacelift uses Docker containers to run CI jobs. You have the possibility of bringing your own Docker image and using it as a runner to speed up the deployments that leverage third party tools. You can use the container on your laptop, in production, and within your CI/CD infrastructure. Packaging software as a container makes it more portable, allowing you to eliminate discrepancies between environments. Looking for more information about Docker and its features? Check out our beginner’s tutorial, or browse the other articles on the Spacelift blog. ![]() Data stored in volumes is protected against container failures and restarts, but changes to any other paths in the container will be lost. Mount a volume whenever your containerized applications need to permanently store filesystem changes. Volumes can be attached to multiple containers simultaneously, remain accessible after the containers they’re mounted to are stopped, and can be centrally managed using the Docker CLI. Docker manages the data in your volumes separately to your containers. As a general rule, create a volume when your container’s writing data which will cause disruption if it’s lost.ĭocker volumes provide persistent storage for your containers. You don’t need to mount a volume to containers that don’t have writable filesystem paths or that only store disposable content. This can facilitate simpler workflows for applications that interact with your LAN resources. Write to remote filesystems – You’ll need to use a volume when you want containers to write to remote filesystems and network shares.Containers have real-time access to the changes made by their neighbors. Share data between containers – Docker volumes can be mounted to multiple containers simultaneously.Community tools and Docker Desktop extensions can automate the process, providing a much simpler experience than manually copying individual bind-mounted directories. Convenient data backups – Docker’s centralized volume storage makes it easy to backup container data by mirroring /var/lib/docker/volumes to another location. ![]()
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