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What Is Cloud Foundry? Definition & Benefits

Cloud Foundry is a developer-friendly platform that automates infrastructure management, allowing faster deployment across multiple clouds. This guide explores Cloud Foundry, outlining its features, components and benefits while comparing how it stacks up against its competition.

Kevin KiruriAleksander HougenSimona Ivanovski

Written by Kevin Kiruri (Writer)

Reviewed by Aleksander Hougen (Co-Chief Editor)

Facts checked by Simona Ivanovski (Fact-Checker, Formatter)

Last Updated:

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What is Cloud Foundry

Key Takeaways: What Is Cloud Foundry?

  • Cloud Foundry is an open-source Platform as a Service (PaaS) that simplifies the full application development lifecycle. It allows developers to build, deploy and run applications without managing the underlying infrastructure.
  • Pivotal Cloud Foundry (PCF) — also known as PCF Cloud — is a PaaS built on Cloud Foundry. It offers enterprise-grade features, security and support tailored for complex organizational needs.
  • Cloud Foundry supports several cloud providers, making it ideal for multi-cloud environments and specific application workloads that require flexibility and scalability.

Facts & Expert Analysis: Cloud Foundry Platform as a Service

  • Architecture optimized for speed and consistency: Cloud Foundry uses Diego and Garden to orchestrate and isolate application containers, ensuring predictable runtime behavior and fast deployment.
  • Polyglot runtime optimization: The platform’s buildpack system supports multiple languages with intelligent dependency caching that reduces rebuild time. This enables developers to focus on application code by abstracting dependencies and runtime configurations.
  • Zero-downtime architecture: BOSH, Cloud Foundry’s deployment engine, implements declarative rolling updates with automated health checks to guarantee zero downtime for workloads.

Businesses and developers are constantly looking for smarter ways to build and manage cloud applications, facing pressure to innovate quickly, support many programming languages and deliver reliable resources across multi-cloud environments.

Cloud Foundry helps organizations speed up the application development lifecycle while reducing the time and complexity of the underlying infrastructure management. It is an open-source cloud platform that lets developers build, deploy and scale applications without worrying about the underlying infrastructure. 

In this guide, we will discuss what Cloud Foundry is and how it works, explain its benefits and challenges, and see how it stacks up against alternatives such as Kubernetes and OpenShift.

What Is Cloud Foundry?

Cloud Foundry is an open-source platform that makes it easier for developers to create, deploy and manage cloud-based applications. It was originally developed by VMware and is now governed by the Cloud Foundry Foundation. The platform simplifies the application development process by abstracting the underlying infrastructure.

cf
The Cloud Foundry CLI provides a quick command-line setup so developers can deploy and manage applications directly on the terminal.

Cloud Foundry uses a container-based architecture and automatically packages application code into lightweight containers for easy deployment. It simplifies the entire application development lifecycle through automation and built-in services like runtime support, log management and authentication.

The service supports a wide range of programming languages and operates across multiple cloud environments.

What Is Pivotal Cloud Foundry (PCF)?

Pivotal Cloud Foundry (PCF) is the enterprise-grade, commercially supported version of Cloud Foundry. While Cloud Foundry is open-source and provides the core platform capabilities, PCF enhances it with additional features tailored for large organizations, including advanced security, centralized management and enhanced monitoring tools.

Cloud Foundry is flexible, community-driven and open-source, while PCF is a fully supported product geared toward organizations that require robust governance, predictable updates and professional support.

Cloud Foundry vs Pivotal Cloud Foundry

Open-source vs commercial product: 

  • The Cloud Foundry Foundation maintains Cloud Foundry, which is supported by a global community. 
  • PCF is a commercial solution built by Pivotal Software using Cloud Foundry, and it’s managed by VMware.

Deployment flexibility vs enterprise integration: 

  • Cloud Foundry supports deployment on various cloud service providers using many underlying infrastructure types, including public, private and hybrid clouds. 
  • PCF is pre-integrated with enterprise systems, and it’s designed to simplify the application development lifecycle for large-scale organizations.

Language freedom vs enterprise-grade tooling: 

  • Cloud Foundry lets developers use a wide variety of programming languages and developer frameworks to build and run cloud-native applications. 
  • PCF enhances this by offering enterprise-grade support, including tools for authentication, compliance monitoring and automated log management.

Portable containers vs enterprise-scale optimization: 

  • Cloud Foundry uses a container-based architecture to run cloud applications, which makes them portable and consistent across different environments. 
  • PCF builds on this by integrating with VMware products. It can also extend to Kubernetes clusters to support traditional and cloud-native application workloads.

Custom environments vs secure structured environments: 

  • Cloud Foundry is ideal for teams that want the freedom to customize and manage their own Cloud Foundry environments, especially in multi-cloud setups
  • PCF is optimized for organizations requiring secure, structured environments to deploy, manage and scale applications efficiently across complex infrastructures.

Cloud Foundry Components

Cloud Foundry is made up of several key components that work together to deliver a Platform-as-a-Service (PaaS) experience. These components handle everything from application deployment to runtime management, allowing developers to focus on writing code rather than managing infrastructure.

cloud foundry components
This layered view shows how the Cloud Foundry components work together
to deploy and manage cloud-native applications.

Here are the key components that make up the Cloud Foundry platform:

Cloud Controller

The cloud controller is the brain of Cloud Foundry, and it manages the entire application lifecycle. It processes requests from the command-line interface (CLI) and orchestrates app staging, updates and resource allocation.

Diego

Diego is Cloud Foundry’s container orchestration system — it schedules and runs container-based applications across the platform. Diego ensures that apps are balanced across available resources, automatically rescheduling them in case of failures to provide high availability for cloud-based applications.

Garden

Garden is the container runtime that Diego uses. It creates and manages the individual containers that house each application. These containers isolate workloads, making sure that apps run securely without interfering with one another even when sharing the same infrastructure.

Router

The router directs incoming traffic to the right application instances. It acts as a gateway, performing load balancing requests across multiple instances to guarantee high availability and performance.

User Account and Authentication (UAA)

UAA manages authentication and authorization within the Cloud Foundry environment. It handles user accounts, roles and permissions to enable secure access to apps and platform services. UAA also integrates with enterprise identity providers such as LDAP and SAML to manage access.

BOSH

BOSH is a deployment and lifecycle management tool in Cloud Foundry. It installs and updates the platform across various types of underlying infrastructure, such as Amazon Web Services (AWS) and IBM Cloud. BOSH ensures high availability by monitoring component health and handling failovers.

Service Brokers

Service brokers connect apps to external services like databases and messaging systems. This integration means that developers don’t have to manage the services manually.

Logging and Metrics

The logging and metrics subsystem collects and streams logs, metrics and events, from applications to platform components. It is essential for debugging, monitoring performance and troubleshooting issues in real time.

Buildpacks

Buildpacks automatically detect and install dependencies for different programming languages, such as Java, Node.js or Python. They transform application code into executable containers without requiring manual configuration.

Command-Line Interface (CLI)

The Cloud Foundry CLI is a lightweight tool that allows developers to interact with the platform. Users can deploy applications, check logs, and scale and manage services through simple commands on the CLI.

Cloud Foundry Benefits

Cloud Foundry is gaining traction among developers because it can simplify and accelerate the application development lifecycle. It offers tools that let developers focus more on writing code and less on managing infrastructure, empowering them to deploy and scale applications faster than ever. Here are some benefits of using Cloud Foundry.

Cloud Foundry Challenges

Organizations should weigh Cloud Foundry’s challenges against its benefits, especially when planning large-scale deployments or complex workloads. The following are some key challenges that teams may encounter with Cloud Foundry.

Cloud Foundry Alternatives

Cloud Foundry is a powerful and flexible cloud platform, but it’s not the only option available for modern application development. Organizations often compare it with other solutions to find what best suits their specific application workloads and project needs. Kubernetes and OpenShift are two of the most frequently compared alternatives to Cloud Foundry.

Cloud Foundry vs Kubernetes

Kubernetes is an open-source container orchestration system that offers fine-grained control over how you run applications. Cloud Foundry simplifies the deployment process by automating many tasks, while Kubernetes provides a more hands-on, configurable environment requiring deeper operational expertise.

Feature:Cloud FoundryKubernetes
Abstraction LevelHigh-level PaaS that hides most of the underlying infrastructureLow-level orchestration focusing on containers
Ease of UseSimple CLI-based deployment with minimal configurationRequires manual setup and management
Learning CurveModerateSteep
ScalingAuto scaling built-inManual or scripted scaling

Cloud Foundry vs OpenShift

Red Hat developed OpenShift, a platform that bridges the gap between Kubernetes and PaaS. It supports cloud-native development and offers a user-friendly developer experience. Compared to Cloud Foundry, it provides more flexibility while maintaining some abstraction.

Feature:Cloud FoundryOpenShift
Enterprise FeaturesLimited (unless using PCF Cloud)Built-in
Platform TypeOpen-source platform governed by the Cloud Foundry FoundationEnterprise-grade pivotal PaaS developed by Red Hat
Vendor Lock-InMinimalModerate (Red Hat ecosystem)
Customization & FlexibilityFocused on simplicity with limited customizationExtensive customization options and tools

Final Thoughts

Cloud Foundry is a good solution for teams seeking to streamline cloud-native application development and reduce operational overhead. Both the open-source version and PCF for enterprises can simplify deployments and support full application development lifecycles, making the platform a suitable tool for modern deployments.

However, Cloud Foundry is not a one-size-fits-all service. Organizations should consider their team’s expertise, workload requirements and long-term goals before committing.

Have you used Cloud Foundry in your projects? In your experience, how does it compare to Kubernetes and OpenShift? What challenges did you face, and how did you resolve them? Share your insights in the comments below. Thank you for taking the time to read our guide. 

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