Heroku is one of the original Platform-as-a-Service providers, enabling developers to deploy, manage, and scale applications using simple Git-based workflows since 2007. It pioneered concepts like buildpacks, dyno-based scaling, and add-on marketplaces that have influenced an entire generation of cloud platforms. Heroku abstracts away server management entirely, allowing developers to focus on building applications in languages like Ruby, Node.js, Python, Java, PHP, Go, and more.
The platform is undergoing a major generational upgrade with Heroku Fir, a cloud-native architecture built on Kubernetes and Cloud Native Buildpacks that provides improved scalability, enhanced observability through OpenTelemetry integration, and streamlined container-based deployments. Heroku offers managed inference and AI agent capabilities, supporting models like the Claude family for building AI-powered applications. The platform includes a comprehensive add-on marketplace with hundreds of third-party services for databases, caching, monitoring, and more.
Heroku remains a strong choice for developers and teams who value simplicity and speed of deployment above all else, particularly those building Ruby on Rails, Node.js, and Python applications. It is widely used in education, prototyping, and startup environments where rapid iteration is critical. The Salesforce-backed platform continues to evolve with enterprise features, SSO support, private spaces for network isolation, and compliance certifications for regulated industries.