AppSignal Blog

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

Authorization Gems in Ruby: Pundit and CanCanCan
Ruby

Authorization Gems in Ruby: Pundit and CanCanCan

Let's take a look at Pundit and CanCanCan, two of the most popular authorization gems in Ruby.

By Aestimo Kirina on

Introducing AppSignal Logging
AppSignal

Introducing AppSignal Logging

It's time to tap into your application's logs and unleash its full potential.

By Connor James, Milica Maksimović on

Generating Data Functions in Your Elixir App
Elixir

Generating Data Functions in Your Elixir App

In part two of this three-part series on testing data with Elixir, we'll look at using data generation functions.

By Ulisses Almeida on

A Generalized User-local Container for UI State in Kredis
Ruby

A Generalized User-local Container for UI State in Kredis

In the second and final part of this series, we'll develop a generalized user-local container for UI state in Kredis.

By Julian Rubisch on

How to Build an Error Handling Layer in Node.js
JavaScript

How to Build an Error Handling Layer in Node.js

Discover how to put an error handling layer in place for your Node.js application using Express.

By Antonello Zanini on

Making the Most of Your Logs in Rails
Ruby

Making the Most of Your Logs in Rails

It's easy to get going with logging with Rails, but not so easy to master it. Discover how you can get the most from your logs.

By Hans-Jörg Schnedlitz on

An Introduction to Test Factories and Fixtures for Elixir
Elixir

An Introduction to Test Factories and Fixtures for Elixir

In the first part of this three-part series, we'll give an overview of Elixir test factories and fixtures.

By Ulisses Almeida on

Storing Ephemeral UI State with Kredis for Rails
Ruby

Storing Ephemeral UI State with Kredis for Rails

Let's dive into how Kredis works and how you can use it to store short-term UI state.

By Julian Rubisch on

Track Errors in Your NestJS Application with AppSignal
JavaScript

Track Errors in Your NestJS Application with AppSignal

Let's set up AppSignal in a NestJS app and see how we can use it to track errors.

By Kayode Oluwasegun on

What's New in Rails 7.1
Ruby

What's New in Rails 7.1

Let's take a look at what we can expect from the upcoming Rails 7.1 release.

By Emmanuel Hayford on

Introducing AppSignal for Hanami
AppSignal

Introducing AppSignal for Hanami

We've added support for Hanami to our Ruby integration. This blog post explains what Hanami is and how you can use it with AppSignal.

By Connor James on

Under the Hood of Ecto
Elixir

Under the Hood of Ecto

Discover how Ecto's internals work by looking at its four major modules in detail.

By Sapan Diwakar on

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AppSignal monitors your apps

AppSignal provides insights for Ruby, Rails, Elixir, Phoenix, Node.js, Express and many other frameworks and libraries. We are located in beautiful Amsterdam. We love stroopwafels. If you do too, let us know. We might send you some!

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