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  - Dyno Management
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Command Line

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Continuous Delivery & Integration
- Continuous Integration

Language Support
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  - Working with Node.js
  - Troubleshooting Node.js Apps
  - Node.js Behavior in Heroku
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  - Troubleshooting Ruby Apps
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  - Working with Django
- Java
  - Java Behavior in Heroku
  - Working with Java
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  - Working with Spring Boot
  - Troubleshooting Java Apps
- PHP
  - Working with PHP
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- Go
  - Go Dependency Management
- Scala
- Clojure
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Databases & Data Management
- Heroku Postgres
  - Postgres Basics
  - Postgres Getting Started
  - Postgres Performance
  - Postgres Data Transfer & Preservation
  - Postgres Availability
  - Postgres Special Topics
- Heroku Key-Value Store
- Apache Kafka on Heroku
- Other Data Stores

Monitoring & Metrics
- Logging

App Performance

Add-ons
- All Add-ons

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Security
- App Security
- Identities & Authentication
  - Single Sign-on (SSO)
- Compliance

Heroku Enterprise
- Private Spaces
  - Infrastructure Networking
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- Heroku Connect (Salesforce sync)
  - Heroku Connect Administration
  - Heroku Connect Reference
  - Heroku Connect Troubleshooting

Patterns & Best Practices

Extending Heroku
- Platform API
- App Webhooks
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  - 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 Postgresql PLV8 support ending

Change effective on 11 September 2019

Effective today, Heroku will be discontinuing support for the PLV8 extension. During the Heroku beta period for this extension, the PLV8 package maintenance was discontinued for PG11+ for Debian/Ubuntu. Should this change, we may support PLV8 in the future. Please refer to our extensions Dev Center article for a complete list of supported extensions.

Python 3.7.4 and 3.6.9 now available Late August 2019 PHP runtime updates