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CRI-O VS API Extractor

Compare CRI-O VS API Extractor and see what are their differences

CRI-O logo CRI-O

Lightweight Container Runtime for Kubernetes

API Extractor logo API Extractor

API Extractor helps you write better TypeScript libraries: It analyzes your exported type signatures and (1) produces an API documentation website, (2) generates a .d.ts "rollup" file, and (3) creates an API report to facilitate PR reviews.
  • CRI-O Landing page
    Landing page //
    2023-09-21
  • API Extractor Landing page
    Landing page //
    2023-08-28

CRI-O features and specs

  • Lightweight
    CRI-O is designed to be a minimal container runtime, which means it has a smaller footprint compared to other runtimes like Docker. This can result in lower memory and CPU usage, contributing to better performance and efficiency.
  • Kubernetes Integration
    CRI-O is built specifically to integrate seamlessly with Kubernetes, implementing the Kubernetes Container Runtime Interface (CRI). This ensures better compatibility and more tailored features for Kubernetes environments.
  • Security
    CRI-O is designed with security in mind and minimizes the attack surface by strictly following the principle of least privilege. It also supports compatibility with various security frameworks, such as SELinux and AppArmor.
  • Vendor Neutral
    CRI-O is an open-source project under the Cloud Native Computing Foundation (CNCF), meaning it is vendor-neutral and has a diverse community contributing to its development. This decentralization helps in avoiding vendor lock-in.
  • Pluggable CNI
    CRI-O supports Container Network Interface (CNI) plugins out of the box, providing flexibility in choosing different network providers based on specific use-case requirements.

Possible disadvantages of CRI-O

  • Limited Features
    Because CRI-O is designed to be lightweight and minimalist, it lacks some of the extensive features offered by more comprehensive container solutions like Docker. Features like image building may require additional tools.
  • Community and Ecosystem
    While CRI-O is gaining popularity, it does not yet have as robust a community or ecosystem as Docker, potentially resulting in fewer available third-party tools and integrations.
  • Complexity for Beginners
    CRI-O may not be the most beginner-friendly environment due to its specific focus on Kubernetes integration and lack of standalone features like Docker Compose. Newcomers might find the learning curve steeper.
  • Debugging Tools
    The ecosystem around CRI-O is still maturing, and dedicated debugging tools are less comprehensive compared to other container runtimes like Docker, which could pose challenges in troubleshooting.
  • Release Cycle
    CRI-O's release cycle is tightly aligned with Kubernetes releases, which can be a double-edged sword. While it ensures compatibility, it also means that businesses must keep their CRI-O and Kubernetes versions in sync.

API Extractor features and specs

  • Comprehensive API Report
    API Extractor generates detailed reports of the API surface, which helps developers understand the changes and current state of the API, ensuring all team members are on the same page.
  • API Stability
    By using API Extractor, developers can enforce consistent API patterns and prevent breaking changes, contributing to a more stable and reliable API over time.
  • TypeScript Support
    API Extractor is specifically designed for TypeScript, making it highly effective for projects that rely on TypeScript's typing and interfaces.
  • Markdown Documentation
    The tool supports generation of markdown files for documentation, which can be easily integrated with existing documentation sites, enhancing accessibility and ease of use.
  • Version Tracking
    It allows developers to track API changes across versions, helping to manage deprecation and communicate updates effectively to users.

Possible disadvantages of API Extractor

  • Learning Curve
    API Extractor has a steep learning curve for new users, which can be challenging for teams without prior experience or knowledge of TypeScript toolchains.
  • TypeScript-Only
    Since API Extractor is designed for TypeScript, it cannot be used directly with JavaScript projects, limiting its applicability to TypeScript-based projects only.
  • Configuration Complexity
    Setting up API Extractor can be complex due to its configuration options, requiring time and effort to properly integrate it into a build process.
  • Performance Overhead
    Running API Extractor can add significant overhead to the build process, impacting the overall build time, particularly in large projects.
  • Maintenance
    Regular updates and maintenance of the API Extractor configuration are required to keep in synchronization with updates to the TypeScript language and changes in the codebase.

Analysis of CRI-O

Overall verdict

  • CRI-O is considered a good choice for users who are running Kubernetes and prefer a streamlined, Kubernetes-native container runtime. Its compatibility with Kubernetes standards and its focus on using lightweight components make it a reliable option for a Kubernetes environment.

Why this product is good

  • CRI-O is an open-source container runtime specifically focused on providing a lightweight, minimal and stable runtime environment for Kubernetes. It is designed to meet the Container Runtime Interface (CRI) which enables Kubernetes to use different container runtimes. CRI-O simplifies the stack by using existing Open Container Initiative (OCI) projects which reduces overhead and complexity. It benefits from Kubernetes integration, offering security and performance optimizations tailored for Kubernetes workloads.

Recommended for

  • Organizations using Kubernetes as their primary container orchestration system.
  • Teams looking for a minimal and stable runtime compatible with the Kubernetes CRI.
  • Developers who need a runtime that integrates seamlessly with Kubernetes tools and workflows.
  • Projects that prioritize security and compliance with OCI standards.

CRI-O videos

Running Containers on Podman/CRI-o - Introduction working with Podman containers

More videos:

  • Tutorial - CRI-O: Development Process & How to Contribute - Urvashi Mohnani & Peter Hunt, Red Hat
  • Review - CRI-O: O Container Runtime feito para o Kubernetes

API Extractor videos

No API Extractor videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to CRI-O and API Extractor)
Cloud Computing
100 100%
0% 0
Documentation
0 0%
100% 100
OS & Utilities
100 100%
0% 0
Developer Tools
77 77%
23% 23

User comments

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Social recommendations and mentions

Based on our record, CRI-O should be more popular than API Extractor. It has been mentiond 21 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CRI-O mentions (21)

  • We clone a running VM in 2 seconds
    Yes - using Cri-o[0] or docker checkpoint/restore api (which uses cri-o) [0] - https://cri-o.io/. - Source: Hacker News / over 1 year ago
  • Top 8 Docker Alternatives to Consider in 2025
    CRI-O provides a lightweight container runtime specifically designed for Kubernetes, implementing the Container Runtime Interface (CRI) with optimized performance. - Source: dev.to / over 1 year ago
  • 7 Best Practices for Container Security
    Container engine security focuses on the underlying runtime system that manages and executes containers, such as Docker, containerd, or CRI-O. These container engines are responsible for interfacing with the operating system kernel to provide the isolated environments that containers run within. - Source: dev.to / almost 2 years ago
  • 5 Alternatives to Docker Desktop
    Minikube supports various container runtimes, including Docker, containerd, and CRI-O, allowing flexibility in the development environment. - Source: dev.to / about 2 years ago
  • The Road To Kubernetes: How Older Technologies Add Up
    Kubernetes on the backend used to utilize docker for much of its container runtime solutions. One of the modular features of Kubernetes is the ability to utilize a Container Runtime Interface or CRI. The problem was that Docker didn't really meet the spec properly and they had to maintain a shim to translate properly. Instead users could utilize the popular containerd or cri-o runtimes. These follow the Open... - Source: dev.to / over 2 years ago
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API Extractor mentions (6)

  • API extractor usage in tldraw codebase.
    I picked this above information from the https://api-extractor.com/. - Source: dev.to / 11 months ago
  • Deploying TypeScript Type Definitions for Umbraco v14 Packages
    Thankfully we can achieve this using third party tool, API Extractor. - Source: dev.to / about 2 years ago
  • In-Depth guide for TypeScript Library
    There are many more tools than those listed above. You can check out discussion and comparison of bundling tools. Unfortunately, choosing the right tool among them is a process that you'll have to experiment with and decide for your own project needs. For example, dts-bundle-generator, API Extractor, and rollup-plugin-dts do not support .d.ts.map files. Also, API Extractor and dts-bundle-generator do not have... - Source: dev.to / over 2 years ago
  • I created a game engine using TypeScript. Please roast it.
    I use https://api-extractor.com/ at work and really like it. The problem with it is that the spec it follows doesnโ€™t 100% match VSCodeโ€™s behavior. This causes pain when using {@link} fields in descriptions. Typedoc looks fine too, Iโ€™ve never used it. Source: over 3 years ago
  • [AskJS] Managing private packages and published types in a monorepo
    I've tried using https://api-extractor.com/ to rollup types but it has some edge cases where it fails. Source: over 3 years ago
View more

What are some alternatives?

When comparing CRI-O and API Extractor, you can also consider the following products

containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability

TypeDoc - A documentation generator for TypeScript projects

Podman - Simple debugging tool for pods and images

ng-docx - Ng-docx is a library that automatically generates a documentation page to easily and beautifully view your markdowns.

Apache Karaf - Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.

Compodoc - The missing documentation tool for your Angular application