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Cloud & DevOps
Docker
Latestv29.6.0Updated Jun 18, 2026
Overview
Docker is a set of products that uses operating system-level virtualization to deliver software in packages called containers. Docker automates the deployment of applications within lightweight containers, enabling them to run consistently across different computing environments.
Read moreHow it works
dockerfile
FROM node:20-alpine
WORKDIR /app
COPY . .
RUN npm ci
CMD ["npm", "start"]The flow
Step by step, from source to running.
- 1Write a Dockerfile
- 2docker build creates a layered image
- 3Image runs as an isolated container
- 4Same image runs anywhere
Latest changes
v29.6.0 · Jun 18, 2026
- docker/cli, 29.6.0 milestone
- moby/moby, 29.6.0 milestone
- POST /containers/{id}/update now supports per-device blkio resource settingss. moby/moby
- Add GET /images/{name}/attestations endpoint to retrieve in-toto attestation statements (such as SLSA provenance and SPDX SBOM) attached …
- docker image push now respects NO_COLOR. docker/cli