---
title: "Discussion on \"The OCI Spec: What Actually Defines a Container?\" | Hashnode"
description: "Discussion on \"The OCI Spec: What Actually Defines a Container?\". Before OCI, Docker was the only definition of a container. Here's what the spec actually says."
url: "https://hashnode.com/posts/the-oci-spec-what-actually-defines-a-container/69f19066389a666765bf7ea4"
---

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# [The OCI Spec: What Actually Defines a Container?](https://rootcause.hashnode.dev/the-oci-spec-what-actually-defines-a-container?utm_source=hashnode&utm_medium=feed)

Before OCI, Docker was the only definition of a container. Here's what the spec actually says.

Apr 29 · 12 min read · rootcause.hashnode.dev  
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-   [#docker](https://hashnode.com/tag/docker)
-   [#containers](https://hashnode.com/tag/containers)
-   [#devops](https://hashnode.com/tag/devops)
-   [#kubernetes](https://hashnode.com/tag/kubernetes)
-   [#opensource](https://hashnode.com/tag/opensource)

## Written by

[Prashantkumar Khatri](https://hashnode.com/@prashantkhatri)

@prashantkhatri · Delhi, India

  
[View profile](https://hashnode.com/@prashantkhatri)

Engineer by day. Root cause analyst by habit.

Software and infrastructure engineer. Open source contributor. The person behind root.cause.dev. I build things, break them on purpose, and write about what I find underneath. Two-time GSoC alum. Speaker at OpenSearch Ahmedabad. BazelCon & OpenSearchCon Korea & Japan attendee.

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