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Docker VS OpenStack

Compare Docker VS OpenStack and see what are their differences

Docker

Docker is an open platform that enables developers and system administrators to create distributed applications.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
OpenStack

OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
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Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Docker seems to be a lot more popular than OpenStack. While we know about 80 links to Docker, we've tracked only 2 mentions of OpenStack.

social mentions
80 vs 2
Developer Tools popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

Docker
OpenStack
Website docker.com openstack.org
Pricing
Open source Official pricing
Open source
Company Startup from the United States · 50 - 99 employees · 2013 —
Listed in
Developer Tools Containers As A Service Container Tools Application Builder Rapid Application Development +2
Cloud Computing Cloud Infrastructure VPS Cloud Hosting +1

Features and specs

What each product offers, as listed by its team.

Docker 6 features
OpenStack 5 features
  • Portability
    Docker containers are designed to run consistently across different environments such as development, testing, and production, ensuring that software behaves the same regardless of where it's deployed.
  • Efficiency
    Docker containers share the host OS kernel and use fewer resources compared to traditional virtual machines, which allows for faster startups and reduced overhead.
  • Isolation
    Containers encapsulate the application and its dependencies in a separate environment, which minimizes conflicts between different applications' dependencies.
  • Scalability
    Docker makes it easier to scale applications quickly and manage resource allocation dynamically, which is particularly useful for microservices architectures.
  • Continuous Integration and Deployment
    Docker facilitates CI/CD processes by making it easier to automate the deployment pipeline, resulting in faster code releases and more frequent updates.
  • Community and Ecosystem
    A vast community and a rich ecosystem of tools and pre-built images in Docker Hub, enabling you to quickly find and reuse code and solutions.

Possible disadvantages

  • Complexity
    While Docker can simplify certain aspects of deployment, it adds a layer of complexity to the infrastructure that might require specialized knowledge and training.
  • Security
    Containers share the host OS kernel, which can pose security risks if an attacker gains access to the kernel. Proper isolation and security measures must be implemented.
  • Persistent Data
    Managing persistent data in Docker can be challenging, as containers are ephemeral and the default storage solutions are not always suitable for all applications.
  • Monitoring and Debugging
    Traditional monitoring and debugging tools might not work well with containerized applications, requiring specialized tools and approaches which can complicate troubleshooting.
  • Performance Overhead
    Although lighter than virtual machines, Docker containers can still introduce performance overheads, especially when multiple containers are running simultaneously.
  • Compatibility
    Not all software and systems are fully compatible with Docker, which can limit its use in certain legacy applications and complex environments.
  • Open Source
    OpenStack is open source, which means there is no licensing fee and a broad community of users and developers contributes to its development and support.
  • Flexibility
    It supports a wide variety of hardware and software, allowing organizations to customize their cloud infrastructure to meet specific needs.
  • Scalability
    OpenStack can scale horizontally, allowing organizations to add or remove resources as their needs change, effectively managing large pools of compute, storage, and networking resources.
  • Vendor Neutrality
    Being vendor-neutral, OpenStack offers flexibility to avoid vendor lock-in and choose from a wide range of compatible technologies and service providers.
  • Community Support
    A large and active community provides extensive documentation, forums, and support, which can be very helpful for troubleshooting and development.

Possible disadvantages

  • Complexity
    Setting up and managing OpenStack can be complex and requires a significant level of expertise, which may necessitate specialized training for staff.
  • Performance Overhead
    Being a feature-rich platform, it often involves more performance overhead compared to other simpler, more streamlined services.
  • Resource Intensive
    OpenStack can be resource-intensive in terms of CPU, memory, and storage, which might not be suitable for all organizations, especially smaller ones with limited resources.
  • Interoperability Issues
    Integrating OpenStack with existing systems and third-party tools can sometimes present challenges, especially when dealing with legacy infrastructure.
  • Evolving Platform
    The platform is constantly evolving, which can be both a pro and a con. Keeping up to date with the latest releases and changes can be time-consuming and may require ongoing maintenance.

Analysis

An editorial look at what each product does well and who it suits.

Docker
OpenStack

Overall verdict

  • Docker is considered a strong choice for containerization due to its robust feature set, community support, and ecosystem. It is praised for making applications more portable and for reducing 'it works on my machine' issues. However, like any technology, it has a learning curve and may not be necessary for simpler projects.

Why this product is good

  • Docker is a widely-used platform that simplifies and accelerates the process of developing, testing, and deploying applications by using containerization technology. It allows developers to package applications and their dependencies into lightweight, portable containers that can run consistently across any environment. This greatly enhances efficiency, scalability, and collaboration within development teams.

Recommended for

  • Developers seeking to streamline application deployment across multiple environments
  • Teams looking for consistency in application performance and operations
  • Organizations that require scalable solutions for microservices architectures
  • Projects that benefit from CI/CD practices and need automation in deployment pipelines

Overall verdict

  • OpenStack can be an excellent choice for businesses and enterprises looking to deploy a cloud infrastructure, particularly if they value flexibility, scalability, and control over their environment. Being open-source, it also offers cost advantages compared to proprietary solutions, provided the organization has the necessary expertise to manage and maintain it. However, it may be challenging for smaller teams without dedicated IT resources due to its complexity and the steep learning curve associated with its deployment and management.

Why this product is good

  • OpenStack is a popular open-source cloud computing platform that enables users to build and manage both public and private clouds. It offers a flexible and scalable solution for organizations that need to handle large amounts of data and infrastructure. OpenStack is developed by a vast community of developers and organizations, ensuring continuous improvement and adaptation to new technologies. It supports a wide range of APIs, which allows for customization and integration with other services and tools.

Recommended for

    OpenStack is particularly recommended for large enterprises, organizations with skilled IT teams, academic institutions, and service providers that need a highly customizable and scalable cloud solution. It's also a great fit for entities with specific compliance requirements or those that need to run a private cloud with tailored configurations.

Videos

Walkthroughs and reviews on video.

Docker 3 videos + Add
OpenStack 3 videos + Add

What is Docker in 5 minutes

More videos

  • - What is Docker? Why it's popular and how to use it to save money (tutorial)
  • - Real World PHP Dockerfile Review, from a #Docker Captain

OpenStack Summit Primer, The Who, What, Why and How of OpenStack

More videos

  • - Red Hat OpenStack Platform GPU use case
  • - Performance Analysis Review for Production OpenStack Private Cloud in SaaS

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Docker
OpenStack
100% 100%
Developer Tools
0% 0%
47% 47%
Cloud Computing
53% 53%
100% 100%
Containers As A Service
0% 0%
0% 0%
VPS
100% 100%

User comments

Share your experience with using Docker and OpenStack. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Docker no reviews yet
OpenStack no reviews yet

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Docker 80 mentions
OpenStack 2 mentions
  • Simplifying basic (genAI) web app deployment with serverless
    Cloud Run (GCR) -- the latest serverless platform; OCI-compliant containers (Docker, Buildpacks, etc.) Cloud Functions (GCF) -- originally serverless functions to compete with AWS Lambda; latest generation rebranded as Cloud Run... - Source: dev.to / 10 months ago
  • How to prompt Gemini CLI to improve your Dockerfile
    One of the best benefits of Docker is that it helps you make your software multi-environment friendly, so you can use the same (or similar) config from local dev to production. Having a Dockerfile for every environment kind of defeats... - Source: dev.to / about 1 year ago
  • Why NGINX Still Powers the Modern Web in 2025: Part 1
    Before we begin, ensure you have Docker installed on your system. You can download it from Docker's official website. - Source: dev.to / about 1 year ago

View more

  • Learn OpenStack by Example: Part 1 - Install DevStack
    In my first post, I looked into what is OpenStack and how, if done right, can be quite a powerful ally in our cloud deployment strategies. In this post, I want to start looking at how we can create an application to learn the basics and... - Source: dev.to / over 5 years ago
  • Learn OpenStack by examples: Part 0 - Summary and Goals
    While searching for solutions and documentation on the various problems I've come across, I would often see references to OpenStack and it got my curiosity going. What is OpenStack? What services does it offer and who owns it? How do I... - Source: dev.to / over 5 years ago

Alternatives to Docker and OpenStack

When comparing Docker and OpenStack, you can also consider the following products.

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