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Engineering

AppLink Fundamentals III: Building with AppLink – Development Flow and Language Choices

This blog series has taken you on a journey through the world of AppLink, from its foundational concepts and core components in Heroku AppLink: Extend Salesforce with Any Programming Language , to a deep dive into its key integration patterns in AppLink Fundamentals I: AppLink Integration Patterns – Connecting Salesforce to Heroku Applications , and then we explored advanced integrations with Data Cloud, automation, and AI in AppLink Fundamentals II: Advanced AppLink Integrations – Automation & AI . Now, in this final installment, we turn our attention to the practical aspects of building with AppLink, focusing on the development workflow,…

AppLink Fundamentals II: Advanced AppLink Integrations – Automation & AI

In our previous posts, we introduced Heroku AppLink and explored its foundational integration patterns for connecting Heroku applications with Salesforce. Now, we’ll delve into how AppLink truly expands Salesforce capabilities, focusing on advanced integrations with Data Cloud, Flow, Apex, and Agentforce. This blog will highlight how AppLink empowers you to infuse your Salesforce orgs with powerful external logic, real-time data processing, and intelligent automation.

AppLink Fundamentals I: AppLink Integration Patterns – Connecting Salesforce to Heroku Applications

In our previous post , we introduced AppLink as a powerful new way to extend Salesforce with any programming language at any scale, detailing its core components and overarching benefits. Now, we’ll dive deeper into the practical application of AppLink by exploring its primary integration patterns. Understanding these patterns is key to leveraging AppLink effectively, as they dictate how your Heroku applications interact with and enhance your Salesforce orgs.

Heroku AppLink: Extend Salesforce with Any Programming Language

The Salesforce platform offers a powerful array of tools for customization and building customer-centric experiences, from no-code automation with Flow, Prompt Builder, and Agent Builder, to robust Apex and Lightning Web Components. The art lies in choosing the right blend of these tools to achieve agility, optimize skill sets, and quickly adapt to business demands. Today, we’re introducing a new ingredient to this powerful mix: Heroku + AppLink.

OpenTelemetry, Kubernetes, and Fir: Putting it All Together

Modern cloud-native architectures are composed of multiple microservices running across dynamic environments. Effectively diagnosing performance issues, bottlenecks, or failures requires comprehensive observability. For this, many organizations look to OpenTelemetry, which provides a standardized approach to capturing and analyzing telemetry data. Fir is Heroku’s next generation cloud platform , designed to offer more modern cloud-native capabilities with flexibility and scalability. It’s built on proven, open-source technologies. Traditional Heroku relied on proprietary technologies, which was appropriate at the time because high-quality open-source alternatives didn’t exist. But now, technologies like Kubernetes and OpenTelemetry are considered best-in-class solutions that are widely deployed and supported…

Local Speed, Smooth Deploys: Heroku Adds Support for uv

Ah, another day, another deep dive into the ever-evolving world of Python development! Today, let’s talk about something near and dear to every Pythonista’s heart – managing those crucial external packages. For years, pip has been our trusty companion, the workhorse that gets the job done. But the landscape is shifting, and a new contender has entered the arena, promising speed, efficiency, and a fresh approach: uv .

As a Python developer constantly striving for smoother workflows and faster iterations, the buzz around uv has definitely caught my attention. So, let’s roll up our sleeves and explore the benefits…

Heroku Postgres Upgrade Guide: Simplify Your Move to Version 17

If you’ve ever deployed an app on Heroku, chances are you’ve used Heroku Postgres — our fully managed, reliable, and scalable Postgres database service. It’s the backbone for millions of applications, from weekend side projects to enterprise-grade systems running in production.

But Postgres, like all software, continues to evolve. With new versions released each year, you gain access to performance enhancements, critical security updates, and powerful new features. Keeping your database up to date isn’t just good practice — it’s essential for long-term stability and success.

That’s why we’re thrilled to share that Postgres 17 is now available on Heroku . And…

OpenTelemetry Basics on Heroku Fir

Heroku recently made the next generation platform – Fir – generally available. Fir builds on the strengths of the Cedar generation while introducing a new modern era of developer experience. Fir leverages modern cloud-native technologies to provide a seamless and performant platform.

One of the goals we set out to achieve with Fir is to modernize our platform’s observability architecture. Applications being written today are becoming increasingly more distributed and complex in nature. With this increase in complexity, the need for good observability becomes critical. With solid observability practices in place, it becomes possible to gain deep insights into the internal…

Deploying a Simple Go/Gin Application on Heroku

The speed and efficiency of the Go programming language make it popular for backend development. Combine Go with the Gin framework —which offers a fast and minimalistic approach to building web applications—and developers can easily create high-performance APIs and web services. Whether you’re working on a personal project or building a production-ready application, Go and Gin make for an attractive stack perfectly suited for lightweight, scalable web development.

Creating a Go/Gin application might seem straightforward: You write a few routes, connect a database, and spin up a local server. But when it comes to deploying your app, things can get tricky.…

SignalR Scalability: Scaling Real-Time SignalR Applications on Heroku

SignalR makes it easy to add real-time functionality to .NET web applications—things like live chat, instant notifications, or interactive dashboards. But what happens when your app starts to grow? A single server can only take you so far. At some point, you’ll need to take advantage of SignalR scaling features to scale out your app.
In this post, we’ll walk through what it takes to scale a SignalR app to run across multiple servers. We’ll start with the basics, then show you how to use Redis as a SignalR backplane and enable sticky sessions to keep WebSocket connections stable. And we’ll…

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