Software Alternatives, Accelerators & Startups

Heroku VS Docker

Compare Heroku VS Docker and see what are their differences

Heroku logo Heroku

Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.

Docker logo Docker

Docker is an open platform that enables developers and system administrators to create distributed applications.
  • Heroku Landing page
    Landing page //
    2023-10-05
  • Docker Landing page
    Landing page //
    2023-07-25

Docker

Website
docker.com
$ Details
Release Date
2013 January
Startup details
Country
United States
State
California
Founder(s)
Solomon Hykes
Employees
50 - 99

Heroku features and specs

  • Ease of Use
    Heroku offers an extremely user-friendly interface and a high level of abstraction, making it easy for developers to deploy, manage, and scale applications without worrying about the underlying infrastructure.
  • Quick Deployment
    One of Heroku’s strongest points is the ability to deploy applications quickly using Git. Developers can push their code to Heroku with a simple command, streamlining the entire process.
  • Scalability
    Heroku provides effortless scaling options by allowing developers to add more dynos (containers) with a single command to handle increased traffic and workload.
  • Add-Ons Ecosystem
    Heroku offers a rich ecosystem of add-ons, such as databases, caching, monitoring, and more, which can be easily integrated into applications to extend their functionality.
  • Automatic Updates
    Heroku automatically handles operating system and server updates, allowing developers to focus solely on their application code rather than maintenance tasks.
  • Free Tier
    Heroku offers a free tier with sufficient resources to host small projects and learn the platform without incurring costs, making it accessible for beginners and small-scale applications.

Possible disadvantages of Heroku

  • Cost
    While Heroku offers a free tier, the costs can quickly add up for larger applications and professional use. Paid plans and additional dynos or add-ons can become expensive.
  • Performance
    Heroku’s performance can sometimes be suboptimal compared to other cloud providers, particularly when running high-performance or resource-intensive applications.
  • Limited Control
    Heroku abstracts away a lot of infrastructure management, which can be a downside for developers who need fine-grained control over their environments and configurations.
  • Dyno Sleeping
    Applications running on Heroku’s free tier experience 'dyno sleeping,' where the application goes to sleep after 30 minutes of inactivity, causing a delay when it wakes up after receiving a new request.
  • Vendor Lock-In
    Relying heavily on Heroku’s ecosystem and platform-specific features can lead to vendor lock-in, making it challenging to migrate to another platform if needed.
  • Add-On Costs
    The costs for add-ons can also become significant, as many useful features and integrations require paid add-ons, increasing the overall expense.

Docker features and specs

  • 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 of Docker

  • 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.

Heroku videos

What is Heroku | Ask a Dev Episode 14

More videos:

Docker videos

What is Docker in 5 minutes

More videos:

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

Category Popularity

0-100% (relative to Heroku and Docker)
Cloud Computing
81 81%
19% 19
Developer Tools
49 49%
51% 51
Cloud Hosting
100 100%
0% 0
Containers As A Service
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Heroku and Docker

Heroku Reviews

  1. mark-mercer
    Useful Cloud Platform

    Great service to build, run and manage applications entirely in the cloud!

    🏁 Competitors: Amazon AWS, Dokku on Digital Ocean, Firebase
    👍 Pros:    Easy user interface|Good customer service|Multi-language cloud application platform
    👎 Cons:    Limitation with some addons|Low network performance
  2. jamestelford
    · Full Stack Developer at OutDev ·
    🏁 Competitors: Docker, Amazon AWS
    👍 Pros:    Powerful development environments|Great value for the money|Great customer support|Paas

10 Top Firebase Alternatives to Ignite Your Development in 2024
Heroku’s focus on simplicity and developer experience makes it a perfect fit for those who want to focus on building their apps, not babysitting servers. Startups and small businesses, in particular, can benefit from Heroku’s ability to accelerate development and deployment, allowing them to get their ideas to market faster.
Source: genezio.com
2023 Firebase Alternatives: Top 10 Open-Source & Free
Heroku Postgres – Majority of businesses like Heroku because of its SQL database support. Yes, PostgreSQL as a service is an appealing product of this PaaS vendor with quick deployment approaches.
5 Free Heroku Alternatives with Free Plan for Developers
Koyeb is a decent alternative to Heroku that you can consider for hosting or deploying your web apps and APIs. It has all the features of Heroku that you will need for your projects. So far, I have not encountered an importer tool for migrating Heroku deployments but I am sure doing that manually will not be that hard. Just like Heroku it offers you an intuitive web UI as...
Choosing the best Next.js hosting platform
However, there are a few disadvantages to Heroku. First of all, despite its build pack, Heroku will run your project as a Node.js application. As a result, you will lose some of Next.js’ most interesting features, such as Incremental Static Regeneration. Analytics are replaced by metrics and measured throughput, response time, and memory usage (only on paid plans).
Top 10 Netlify Alternatives
Heroku is another alternative to Netlify that doesn’t only host static websites but has the ability to host dynamic websites. This PaaS platform was launched in 2007 and conferred highly scalable features to deploy, host and launch applications.

Docker Reviews

Exploring 7 Efficient Alternatives to MAMP for Local Development Environments
Though not specifically designed for PHP development, Docker offers a containerized approach to create, deploy, and run applications. It enables easy installation of PHP, web servers, and databases within containers, facilitating quick and consistent development environment setups.
Source: medium.com
Top 6 Alternatives to XAMPP for Local Development Environments
Docker - A containerization platform that allows developers to package applications and their dependencies into containers. Docker Compose can be used to define multi-container application stacks, including web servers, databases, and other services. Features powerful portability and consistency, supports rapid building, sharing, and container management, suitable for...
Source: dev.to
The Top 7 Kubernetes Alternatives for Container Orchestration
Docker uses images as templates to create new containers using Docker engine commands such as Build -t or run -d.
Kubernetes Alternatives 2023: Top 8 Container Orchestration Tools
Docker is an open-source platform for building, managing, deploying containerized applications. Swarm is a native feature in Docker with a group of virtual or physical machines that lets you schedule, cluster, and run Docker applications. It is a Docker alternative for Kubernetes that provides high portability, agility, and high availability.
Top 12 Kubernetes Alternatives to Choose From in 2023
Docker Swarm is a native clustering and orchestration solution provided by Docker, the leading containerization platform.
Source: humalect.com

Social recommendations and mentions

Docker might be a bit more popular than Heroku. We know about 73 links to it since March 2021 and only 73 links to Heroku. 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.

Heroku mentions (73)

  • How to deploy your web application? 3 different approaches to consider (+1 bonus)
    Providers include Digital Ocean, Heroku or Render for example. - Source: dev.to / 7 months ago
  • Heroku Reviews Apps prevent delivering bugs on production
    Review Apps run the code in any GitHub PR in a complete, disposable Heroku application. Review Apps each have a unique URL you can share. It’s then super easy for anyone to try the new code. - Source: dev.to / 11 months ago
  • How to keep an HTTP connection alive for 9 hours
    The app is deployed to Heroku and when it came time to switch the mode to email-on-account-creation mode, it was a very simple environment change:. - Source: dev.to / over 1 year ago
  • How to Process Scheduled Queue Jobs in Node.js with BullMQ and Redis on Heroku
    Heroku is a cloud platform that makes it easy to deploy and scale web applications. It provides a number of features that make it ideal for deploying background job applications, including:. - Source: dev.to / over 1 year ago
  • I made a Bot.. How do I use it?
    Once you've created it you can host it locally (this means leaving the program running on your computer) or host it through a service online. I haven't personally tried this yet, but I believe you can use a site like heroku.com or other similar services. Source: almost 2 years ago
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Docker mentions (73)

View more

What are some alternatives?

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

DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.

Kubernetes - Kubernetes is an open source orchestration system for Docker containers

Linode - We make it simple to develop, deploy, and scale cloud infrastructure at the best price-to-performance ratio in the market.

Rancher - Open Source Platform for Running a Private Container Service

Amazon AWS - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.

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