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Heroku Architecture
- Compute (Dynos)
  - Dyno Management
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- Stacks (operating system images)
- Networking & DNS
- Platform Policies
- Buildpacks
- Platform Principles

Developer Tools
- Command Line
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Deployment
- Deploying with Git
- Deploying with Docker
- Deployment Integrations

Continuous Delivery & Integration (Heroku Flow)
- Continuous Integration

Language Support
- Node.js
  - Node.js Behavior in Heroku
  - Troubleshooting Node.js Apps
  - Working with Node.js
- Ruby
  - Rails Support
    - Working with Rails
  - Working with Bundler
  - Working with Ruby
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  - Troubleshooting Ruby Apps
- Python
  - Working with Python
  - Background Jobs in Python
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  - Working with Django
- Java
  - Java Behavior in Heroku
  - Working with Java
  - Working with Maven
  - Working with Spring Boot
  - Troubleshooting Java Apps
- PHP
  - Working with PHP
  - PHP Behavior in Heroku
- Go
  - Go Dependency Management
- Scala
- Clojure
- .NET
  - Working with .NET

Databases & Data Management
- Heroku Postgres
  - Postgres Basics
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  - Postgres Performance
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  - Postgres Availability
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  - Migrating to Heroku Postgres
- Heroku Key-Value Store
- Apache Kafka on Heroku
- Other Data Stores

AI
- Working with AI
- Heroku Inference
  - AI Models
  - Heroku Inference Quick Start Guides
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  - Inference API
- Tool Use
- Vector Database
- AI Integrations

Monitoring & Metrics
- Logging

App Performance

Add-ons
- All Add-ons

Collaboration

Security
- App Security
- Identities & Authentication
  - Single Sign-on (SSO)
- Private Spaces
  - Infrastructure Networking
- Compliance

Heroku Enterprise
- Enterprise Accounts
- Enterprise Teams

Patterns & Best Practices

Extending Heroku
- Platform API
- App Webhooks
- Heroku Labs
- Building Add-ons
  - Add-on Development Tasks
  - Add-on APIs
  - Add-on Guidelines & Requirements
- Building CLI Plugins
- Developing Buildpacks
- Dev Center

Accounts & Billing

Troubleshooting & Support

Integrating with Salesforce
- Heroku AppLink
  - Heroku AppLink Reference
  - Working with Heroku AppLink
  - Getting Started with Heroku AppLink
- Heroku Connect (Salesforce sync)
  - Heroku Connect Administration
  - Heroku Connect Reference
  - Heroku Connect Troubleshooting
- Other Salesforce Integrations

Pydantic AI integration now available

Change effective on 11 September 2025

You can now use Heroku AI with Pydantic AI.

Pydantic AI is a Python agent framework that enables you to build production-grade applications and agents with generative AI. You can use Heroku’s Pydantic AI integration for various use cases, including advanced tooling, Model Context Protocol (MCP) and Agent2Agent protocol (A2A), and modular, agentic workflows that support enterprise demands.

To learn more, see our Pydantic AI integration documentation.

Node.js 24.8.0 is now available .NET SDK 8.0.120, 8.0.317, 8.0.414, 9.0.110, 9.0.305 and 10.0.100-rc.1.25451.107 are now available