Well, I did a podcast back in Episode 22 (crikey! 2022) covering a few of the key points regarding Docker vs WASM.
It seems WASM (Web Assembly) and WASI (Web Assembly Infrastructure) is continuing to gain strength. WASM containers could be a more lightweight option and will run anywhere - no need to switch from Linux to Windows containers.
Anyway, take a listen to find out more! :)
Some links that can provide a deeper dive if you wish:
InfoWorld Article on WASM vs Docker
Yes! You can run WASM based Docker stuff!
If you really must support me, please do here via Patreon :)
.. and further information on the Docker infrastructure vs Containerd runtime:
Docker
Docker is a comprehensive platform for developing, shipping, and running applications inside containers. It includes several components:
Docker Engine: The core part of Docker, responsible for creating and managing containers.
Docker CLI: The command-line interface for interacting with Docker.
Docker Compose: A tool for defining and running multi-container Docker applications.
Docker Hub: A registry for storing and sharing container images.
containerd
containerd is a container runtime that focuses solely on managing the container lifecycle. It was originally part of Docker but was later separated to become an independent project. Key features include:
Container Lifecycle Management: Handles the creation, execution, and supervision of containers.
Image Management: Manages container images, including pulling from registries and storing locally.
Storage and Networking: Manages storage and networking for containers.
OCI Compliance: Uses Open Container Initiative (OCI)-compliant runtimes like runc for standardization and interoperability.
Key Differences
Scope: Docker is a full-fledged platform with tools for building, shipping, and running containers, while containerd is a more lightweight runtime focused on managing the container lifecycle2.
Components: Docker includes additional tools like Docker Compose and Docker Hub, whereas containerd is primarily concerned with the runtime aspects.
Usage: Docker is often used for development and deployment workflows, providing a user-friendly interface and additional features. containerd is used as a backend component in larger systems like Kubernetes, where it handles the low-level container operations.
In summary, Docker provides a complete ecosystem for container management, while containerd focuses on the core runtime functionalities, making it suitable for integration into other container orchestration systems.
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