AppSignal Blog

AppSignal APM combines performance monitoring and error tracking in one clear interface. For Ruby (on Rails), Elixir and Node.js.

A Guide to Hot Code Reloading in Elixir

By Ilya Averyanov on

Discover how to use hot code reloading and updates in your production code upgrade in Elixir.

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How to Get Started with Prisma ORM for Node.js and PostgreSQL

By Geshan Manandhar on

Learn how to use Prisma with the Express.js framework and PostgreSQL database.

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Building Aggregates in Elixir and PostgreSQL

By Maciej Kaszubowski on

In this article, we will describe the roles and implementation of aggregates in Elixir and PostgreSQL.

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General Ruby on Rails Problems and Takeaways

By Nikola Đuza on

In this last part of the Rails Patterns and Anti-patterns series, I'll be going over the most common problems I've encountered while building and shipping Ruby on Rails applications.

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How to Monitor and Optimize Your Database Performance: A Practical Guide

By Stefan Verkerk on

In this post, we'll dive into the database part of your architecture to show how you can monitor and optimize your database performance.

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Adding Kubernetes Metadata to Your AppSignal Errors

By Julik Tarkhanov on

If you're trying to figure out how to add Kubernetes metadata to your AppSignal errors, this post is for you.

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How to Test WebSocket Clients in Elixir with a Mock Server

By Pulkit Goyal on

Discover how to implement a long-running connection between two services with WebSocket, and then write unit tests for functionality.

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The Wolf Pack Tactic for Monitoring Slow APIs

By Stefan Verkerk on

In this post, we will deal with monitoring external APIs and how you can prevent them from slowing you down.

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Performance, Stress, and Load Tests in Rails

By Paweł Dąbrowski on

Let's jump into theoretical and practical aspects of performance testing in Rails.

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Uptime Monitoring: A One-week Project, a Decade In the Making

By Stefan Verkerk on

In today's post, we'll explain how we went from considering uptime monitoring impossible to build, to building it in a week.

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Monitoring Memory Usage for Erlang and Elixir Applications

By Stefan Verkerk on

In this post, we'll do a quick overview of monitoring memory issues in Erlang and Elixir setups.

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Integrating AppSignal With Microsoft Teams

By Robert Beekman on

Starting now, we can notify you on Microsoft Teams when an incident occurs.

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