Principle:Apache Kafka Container Registry Push
| Knowledge Sources | |
|---|---|
| Domains | Release_Engineering, Containerization |
| Last Updated | 2026-02-09 12:00 GMT |
Overview
A distribution process that publishes built container images to a public Docker registry for end-user consumption.
Description
Container Registry Push uploads the built multi-architecture Docker images to Docker Hub or another configured container registry. In Kafka's workflow, the push is combined with the build step using Buildx's --push flag, which builds and pushes atomically. This ensures the registry always has a complete, valid multi-arch manifest.
Usage
This step is combined with the multi-architecture build in Kafka's workflow. Registry authentication must be configured beforehand via docker login.
Theoretical Basis
- Authentication: Docker registry credentials must be pre-configured via docker login.
- Atomic Build-Push: Buildx --push flag combines build and push into one operation.
- Manifest Creation: A multi-arch manifest is created automatically, pointing to platform-specific layers.
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