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Developer Tools

Heroku Connect APIs Now GA

Today we’re announcing that the APIs for the Heroku Connect data synchronization service are now GA. These fully supported endpoints will help our users with the tasks they most need repeatable automation for: creating consistent configuration across development, staging, and production environments; managing connections across multiple Salesforce deployments; and integrating Heroku Connect status with their existing operational systems and alerts.

When we first released Heroku Connect, users were delighted with the simple point and click …

Real-Time Rails: Implementing WebSockets in Rails 5 with Action Cable

It's been one year since Action Cable debuted at RailsConf 2015, and Sophie DeBenedetto is here to answer the question in the minds of many developers: what is it really like to implement "the highlight of Rails 5"? Sophie is a web developer and an instructor at the Flatiron School. Her first love is Ruby on Rails, although she has developed projects with and written about Rails, Ember and Phoenix.

Recent years have seen the …

Postgres 9.5 General Availability

Starting today, Postgres 9.5 is now the new default version for all new Heroku Postgres databases. We’ve had hundreds of customers using early beta versions of 9.5 and the feedback has been positive. For many customers, the new UPSERT functionality was the last feature that prevented many of them from moving from other relational databases to Postgres. The engineering staff at Heroku and the Postgres community at large has spent years bringing UPSERT to fruition …

Session Affinity now Generally Available

Today we are announcing that Session Affinity routing is now generally available as a fully supported part of the Heroku Platform. When Session Affinity is enabled for an app, requests from a given browser will always be routed to the same Dyno. Under the hood, the Heroku Router will add a cookie to all incoming requests from new clients; this cookie allows subsequent requests from that client to return to the same Dyno. With specific …

Tom Dale on Ember FastBoot and Scrappy JavaScript

Last week, Terence Lee and I caught up with Tom Dale at EmberConf to talk about FastBoot, when you should avoid native apps, and why JavaScript on the server and the browser might start to converge. Check the end for the full recording!

So let’s start with the drama, would you say Ember has declared war on native apps? [laughs]

[sigh] Yeah. Yeah, I think that’s fair. Yeah. Sure. Why not? Let’s go with that.

…

Django Channels: How to Build Real-Time Web Apps With Python

Today, we're thrilled to host Jacob Kaplan-Moss. Jacob's a former Herokai and long-time core contributor to Django, and he's here to share an in-depth look at something that he believes will define the future of the framework.

Django Channels allows Python developers to build real-time, asynchronous web apps with Python and JavaScript. It augments Django’s robust response-request architecture with asynchronous protocol handling, including WebSockets support. In this Django Channels tutorial, we’ll show you how …

How to Deploy Your Slack Bots to Heroku

Whether they're publishing notifications, responding to /slash commands or carrying a conversation, bots have become an integral part of the way we work with Slack. A bot can do any number of things for your team as part of your day-to-day work, you're only limited by your imagination. For some first-hand experience, check out the Heroku Button Gallery, where users have created all types of bots: from fun bots like poker and Jeopardy!, …

Incident Preparation: Simulating Third-Party Downtime

I spend most of my time at Heroku working on our support tools and services; help.heroku.com is one such example. Heroku’s help application depends on the Platform API to, amongst other things, authenticate users, authorize or deny access, and fetch user data.

So, what happens to tools and services like help.heroku.com during a platform incident? They must remain available to both agents and customers—regardless of the status of the Platform API. There is simply no …

Microservices in Go using Go-kit

Go-kit is a distributed programming toolkit for building microservices. It solves the common problems encountered while building distributed systems, so you can focus on your business logic. This article starts with a bit of background on microservices, then guidance on how to get started with Go-kit, including instructions on getting a basic service up and running on Heroku.

A Brief Intro to Microservices

Traditionally, web applications are built using a monolithic approach where the entire …

Heroku Pipelines Emerges from Beta

Today is a big day for Heroku Pipelines — our continuous delivery feature that provides a visual sequence of app environments in which to test, stage, and deliver code through to production. Pipelines is now released for General Availability (GA).

Heroku Pipelines provides teams of all sizes a new way to visualize and manage the development of applications, features, and fixes from dev and test, to staging, to production (and supports even more stages if …

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