Software Alternatives, Accelerators & Startups

Docker VS Terraform

Compare Docker VS Terraform and see what are their differences

Docker logo Docker

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

Terraform logo Terraform

Tool for building, changing, and versioning infrastructure safely and efficiently.
  • Docker Landing page
    Landing page //
    2023-07-25
  • Terraform Landing page
    Landing page //
    2023-09-24

Docker

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

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.

Terraform features and specs

  • Infrastructure as Code
    Terraform allows you to define your infrastructure in configuration files that can be versioned and stored in a version control system. This makes it easy to track changes, roll back if necessary, and collaborate with team members.
  • Multi-Cloud Support
    Terraform supports various cloud providers such as AWS, Azure, Google Cloud, and others. This allows you to manage your entire infrastructure using a single tool, regardless of the underlying provider.
  • Immutability
    Terraform promotes immutable infrastructure, meaning once a component is created, it is not modified in place but replaced if changes are needed. This leads to more predictable and stable deployments.
  • State Management
    Terraform maintains the state of your infrastructure, which helps in tracking resource changes over time and making incremental updates. This is crucial for applying changes in a controlled manner.
  • Community and Ecosystem
    Terraform has a large and active community, along with a rich ecosystem of providers and modules. This makes it easier to find support, share solutions, and leverage pre-built components.

Possible disadvantages of Terraform

  • Complex State Management
    While state management is a significant feature, managing state files can become complex and risky. Issues like state file corruption or sharing between team members can lead to challenges.
  • Learning Curve
    Terraform has a steep learning curve for beginners, especially those who are not familiar with infrastructure as code concepts or the HashiCorp Configuration Language (HCL).
  • Partial Updates
    Terraform's plan and apply operations are not atomic, meaning that partial updates can sometimes leave your infrastructure in an inconsistent state if an error occurs during execution.
  • Dependency Management
    Managing dependencies between resources can be challenging in Terraform. Misconfigured dependencies can lead to issues during resource creation, deletion, or updates.
  • Cost Management
    While Terraform is excellent for provisioning resources, it does not have built-in cost management or optimization features. Users need to rely on third-party tools to manage and optimize costs.

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

Terraform videos

Wampler Terraform | Reverb Tone Report Demo

More videos:

  • Review - MOD PEDAL POWERHOUSE! Wampler TERRAFORM
  • Demo - IT'S FINALLY HERE! | Wampler Terraform Demo | It's as good as you hoped!!!

Category Popularity

0-100% (relative to Docker and Terraform)
Developer Tools
68 68%
32% 32
DevOps Tools
29 29%
71% 71
Containers As A Service
100 100%
0% 0
Cloud Computing
61 61%
39% 39

User comments

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Reviews

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

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

Terraform Reviews

Do not use AWS CloudFormation
Terraform, on the other hand, will occupy your shell until the directly-involved AWS service coughs up an error. No additional tooling is required. Terraform will just relay the error message from the affected service indicating what you’ve done wrong.
Top 5 Ansible Alternatives in 2022: Server Automation Solutions by Alexander Fashakin on the 19th Aug 2021 facebook Linked In Twitter
Although Terraform and Ansible are both server automation tools, there are still a few significant differences between the two. For example, Terraform is declarative while Ansible allows for both procedural configurations and declarative configurations. Also, Ansible works best as a configuration management tool while Terraform leans towards cloud orchestration.
35+ Of The Best CI/CD Tools: Organized By Category
Terraform is compatible with a wide range of Cloud providers, including Azure, VMWare, and AWS. If you’re subscribed to multiple cloud providers, Terraform is a great way to ensure that they have consistent configurations.
Why we use Terraform and not Chef, Puppet, Ansible, SaltStack, or CloudFormation
Example: Terraform and Ansible. You use Terraform to deploy all the underlying infrastructure, including the network topology (i.e., VPCs, subnets, route tables), data stores (e.g., MySQL, Redis), load balancers, and servers. You then use Ansible to deploy your apps on top of those servers.This is an easy approach to start with, as there is no extra infrastructure to run...
Ansible overtakes Chef and Puppet as the top cloud configuration management tool
Breaking these results down year-over-year, use of Ansible grew from 36% in 2018 to 41% in 2019--surpassing Chef, which grew from 36% to 37%, as well as Puppet, which grew from 34% to 37%. Rounding out the list is Terraform, which experienced a jump from 20% to 31%, and Salt, which increased in usage from 13% to 18%.

Social recommendations and mentions

Based on our record, Docker should be more popular than Terraform. It has been mentiond 73 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.

Docker mentions (73)

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Terraform mentions (32)

  • Scaffolding Serverless Web Application on AWS
    Terraform is an infrastructure as code tool that lets you build, change, and version infrastructure safely and efficiently. Terraform code is in the terraform directory. - Source: dev.to / 9 months ago
  • Integrating Terraform with CI/CD Pipelines
    In recent years, there has been a significant shift towards automation of infrastructure deployment processes. One popular tool that has emerged as a key player in this space is Terraform, an open-source infrastructure as code (IaC) software tool developed by HashiCorp. This article will explore how Terraform can be integrated into continuous integration and delivery (CI/CD) pipelines using GitHub Actions as an... - Source: dev.to / about 1 year ago
  • Deploying Your Outdoor Activities Map with Terraform
    Terraform is an open-source infrastructure-as-code software tool created by HashiCorp. It allows you to define and manage your infrastructure as code, making it easy to provision and manage resources across multiple cloud providers. With Terraform, you can ensure consistent and repeatable deployments, making it an ideal choice for automating your cloud infrastructure. - Source: dev.to / over 1 year ago
  • Trigger CI using Terraform Cloud
    Continuous Integration(CI) pipelines needs a target infrastructure to which the CI artifacts are deployed. The deployments are handled by CI or we can leverage Continuous Deployment pipelines. Modern day architecture uses automation tools like terraform, ansible to provision the target infrastructure, this type of provisioning is called IaaC. - Source: dev.to / about 2 years ago
  • Using Let's Encrypt with the Puppet Enterprise console
    Had an itch I've been meaning to scratch for a while. I build my Puppet environment using Terraform, which makes it nice and easy to tear things down and rebuild them. That is great, but it does leave me with an issue when it comes to the console SSL certificates. - Source: dev.to / about 2 years ago
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What are some alternatives?

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

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

Rancher - Open Source Platform for Running a Private Container Service

Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.

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

Packer - Packer is an open-source software for creating identical machine images from a single source configuration.

Portainer - Simple management UI for Docker