Heroku-22 Stack | Heroku Dev Center
This article describes the Heroku-22 stack, based on Ubuntu 22.04. What is a stack? What’s new This stack is now based on Ubuntu 22.04, compared to Ubuntu 20.04 used in the Heroku-20 stack. The most important changes compared to Heroku-20 are: The stack no longer includes a system Ruby installation. This will not affect the vast majority of users, since Ruby apps will use the Ruby installation pro
Building Docker Images with heroku.yml | Heroku Dev Center
The heroku.yml file is a manifest used to: Build Docker images on Heroku Specify add-ons and config vars to create during app provisioning Take advantage of Review Apps when deploying Docker-based applications The Heroku container stack is intended for advanced use cases only. Unless you have a specific need for custom Docker images, we recommend using Heroku’s default buildpack-powered build syst
Container Registry GA - Deploy Docker images to Heroku | Heroku Dev Center
Additional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Container Registry GA - Deploy Docker images to HerokuChange effective on 05 September 2017 Today Container Registry is generally available, allowing you to deploy Docker images to Heroku. To deploy your Docker image to Heroku
Private Space Peering | Heroku Dev Center
Private Space Peering enables you to establish a private network connection between dynos running in a Heroku Private Space and an AWS VPC you control. This connection does not traverse the public Internet. Prerequisites for peering The VPC must use a compatible IPv4 CIDR Block in its network configuration. The VPC must use an RFC1918 CIDR block (10.0.0.0/8, 172.16.0.0/12, or 192.168.0.0/16). The
Rubygems updated to 2.6.13 for Ruby 2.4.1 | Heroku Dev Center
Additional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Rubygems updated to 2.6.13 for Ruby 2.4.1Change effective on 28 August 2017 The version of rubygems bundled with Ruby 2.4.1 was updated to 2.6.13 on heroku-16 and cedar-14 stacks. You can see the current rubygems version assoc
Worker Dynos, Background Jobs and Queueing | Heroku Dev Center
Background jobs can dramatically improve the scalability of a web app by enabling it to offload slow or CPU-intensive tasks from its front-end. This helps ensure that the front-end can handle incoming web requests promptly, reducing the likelihood of performance issues that occur when requests become backlogged. Ideally, a typical web app responds to most requests in no more than 500 milliseconds.
Heroku Exec (SSH Tunneling) | Heroku Dev Center
Additional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Heroku Exec is a feature for creating secure TCP and SSH tunnels into a dyno. It supports SSH sessions, port forwarding, remote debugging, and inspection with popular Java diagnostic tools. Getting Started You can use Heroku E
Heroku CI | Heroku Dev Center
Additional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Heroku CI automatically runs your app’s test suite with every push to your app’s GitHub repository, enabling you to easily review test results before merging or deploying changes to your codebase. Tests execute in a disposable
Heroku Node.js Support | Heroku Dev Center
This document describes the general behavior of Heroku as it relates to the recognition and execution of Node.js applications. For a more detailed explanation of how to deploy an application, see Getting Started on Heroku with Node.js. Activation The Heroku Node.js buildpack is used when the application has apackage.json file in the root directory. Node.js Runtimes Node versions adhere to Semver,
Ruby 2.3.3 now supported on Heroku | Heroku Dev Center
Additional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Ruby 2.3.3 now supported on HerokuChange effective on 21 November 2016 Ruby v2.3.3 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "2.3.3" then run
Heroku Autoscaling now generally available | Heroku Dev Center
Additional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Heroku Autoscaling now generally availableChange effective on 24 January 2017 Heroku Autoscaling lets your app automatically adjust its quantity of web dynos to maintain your specified response time as the amount of incoming t
Release Phase (Beta) | Heroku Dev Center
The release phase enables certain tasks to be run before a new release of an app is deployed. The release phase can be useful for tasks such as: Sending CSS, JS, and other assets from the app’s slug to a CDN or S3 bucket Priming or invalidating cache stores Running database schema migrations If a release phase task fails, the new release is not deployed, leaving the current release unaffected. Whe
Heroku Labs: Application Metrics Beta Channel | Heroku Dev Center
Application metrics beta panel is disabled and removed from the dashboard since all main active beta features have successfully reached a GA state. We’ll return the panel as soon as there are new beta features to share. Until then, you can request access to existing language metrics private beta features via the Preferences menu at the top right corner of the dashboard under the Metrics tab. An op
Threshold Autoscaling public beta | Heroku Dev Center
Threshold Autoscaling public betaChange effective on 17 November 2016 Threshold Autoscaling is now available as a public beta feature for Performance and Private web dynos. The feature automatically scales the number of web dynos based on a user-specified 95th percentile latency. More details are available in Dev Center.
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Heroku Connect Demo Edition Now Supports OData | Heroku Dev Center
Ruby 2.5.0 now available on Heroku | Heroku Dev Center