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Heroku Architecture
- Dynos (app containers)
- Stacks (operating system images)
- Networking & DNS
- Platform Policies
- Platform Principles

Command Line

Deployment
- Deploying with Git
- Deploying with Docker
- Deployment Integrations

Continuous Delivery
- Continuous Integration

Language Support
- Node.js
- Ruby
  - Working with Bundler
  - Rails Support
- Python
  - Working with Django
  - Background Jobs in Python
- Java
  - Working with Maven
  - Java Database Operations
  - Working with the Play Framework
  - Working with Spring Boot
  - Java Advanced Topics
- PHP
- Go
  - Go Dependency Management
- Scala
- Clojure

Databases & Data Management
- Heroku Postgres
  - Postgres Basics
  - Postgres Getting Started
  - Postgres Performance
  - Postgres Data Transfer & Preservation
  - Postgres Availability
  - Postgres Special Topics
- Heroku Data For Redis
- Apache Kafka on Heroku
- Other Data Stores

Monitoring & Metrics
- Logging

App Performance

Add-ons
- All Add-ons

Collaboration

Security
- App Security
- Identities & Authentication
- Compliance

Heroku Enterprise
- Private Spaces
  - Infrastructure Networking
- Enterprise Accounts
- Enterprise Teams
- Heroku Connect (Salesforce sync)
  - Heroku Connect Administration
  - Heroku Connect Reference
  - Heroku Connect Troubleshooting
- Single Sign-on (SSO)

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

Node.js 0.8.0 Support

Change effective on 26 June 2012

The Node.js buildpack now includes support for Node.js 0.8.0

Heroku CLI v2.28.4 released with bug fixes and performance improvements.Heroku CLI v2.28.3 released with bug fixes for config

Heroku Update
Starting November 28th, 2022, free Heroku Dynos, free Heroku Postgres, and free Heroku Data for Redis® will no longer be available.

If you have apps using any of these resources, you must upgrade to paid plans by this date to ensure your apps continue to run and to retain your data. For students, we will announce a new program by the end of September.

Learn More