---
id: kb-2026-00013
title: Docker
schema_type: TechArticle
category: computer-science
language: en
confidence: low
last_verified: "2026-05-28"
created_date: "2026-05-22"
generation_method: ai_structured
ai_models:
  - claude-opus
derived_from_human_seed: true
conflict_of_interest: none_declared
is_live_document: false
data_period: static
atomic_facts:
  - id: fact-docker-1
    statement: >-
      Docker containers package an application with its dependencies so it can run consistently
      across environments.
    source_title: What is a Container?
    source_url: https://www.docker.com/resources/what-container/
    confidence: low
  - id: fact-docker-2
    statement: A Dockerfile is a text file containing instructions for building a Docker image.
    source_title: Dockerfile reference
    source_url: https://docs.docker.com/reference/dockerfile/
    confidence: low
  - id: fact-docker-3
    statement: >-
      The Open Container Initiative maintains specifications for container image formats and
      runtimes.
    source_title: Open Container Initiative Runtime Specification
    source_url: https://github.com/opencontainers/runtime-spec
    confidence: low
completeness: 0.88
known_gaps:
  - This compact repair keeps only source-mapped public claims from the sampled audit entry.
disputed_statements: []
primary_sources:
  - title: What is a Container?
    type: course_material
    year: 2025
    url: https://www.docker.com/resources/what-container/
    institution: Docker
  - title: Dockerfile reference
    type: course_material
    year: 2025
    url: https://docs.docker.com/reference/dockerfile/
    institution: Docker
  - title: Open Container Initiative Runtime Specification
    type: standard
    year: 2025
    url: https://github.com/opencontainers/runtime-spec
    institution: Open Container Initiative
secondary_sources: []
updated: "2026-05-28"
---

## TL;DR

Docker packages software into container images and runs isolated containers from declarative image definitions. This repair maps Docker claims to Docker and OCI sources.

## Core Explanation

The sampled Docker article had low source coverage. This version keeps three direct facts about containers, Dockerfiles, and open container standards.

## Further Reading

- [What is a Container?](https://www.docker.com/resources/what-container/)
- [Dockerfile reference](https://docs.docker.com/reference/dockerfile/)
- [Open Container Initiative Runtime Specification](https://github.com/opencontainers/runtime-spec)