Container Image
A read-only, versioned template that a container is created from.
Images are pulled from registries like Docker Hub and identified by tags (e.g. jellyfin:10.9). Pinning a specific tag makes your deployments predictable.
Related articles
Container Registry
A repository that stores and distributes container images, such as Docker Hub or GHCR.
Docker
A platform for packaging applications and their dependencies into lightweight, portable containers.
Dockerfile
A text recipe that describes how to build a custom container image step by step.