AppSignal Blog

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

Write a Standalone CLI Application in Elixir
Elixir

Write a Standalone CLI Application in Elixir

Find out how to write a command-line application in Elixir, using tools such as ElixirScript, OptionParser, Escript, Bakeware, and Burrito.

By Paweł Świątkowski on

Connect a Ruby on Rails App with React in a Monolith
Ruby

Connect a Ruby on Rails App with React in a Monolith

Learn about the three main types of app architecture, then connect React with your monolith Ruby on Rails app.

By Paweł Dąbrowski on

Monitor Alpine Linux ARM Hosts with AppSignal
AppSignal

Monitor Alpine Linux ARM Hosts with AppSignal

We've launched ARM support for machines running Alpine Linux.

By Tom de Bruijn on

All You Need to Know about EdgeDB
JavaScript

All You Need to Know about EdgeDB

Explore the ins and outs of EdgeDB and build a Node.js app with EdgeDB.

By Tharaka Romesh on

AppSignal for Ruby Gem 3.1: MRI VM Magic Dashboard
AppSignal

AppSignal for Ruby Gem 3.1: MRI VM Magic Dashboard

AppSignal's Ruby gem 3.1 which adds a Magic Dashboard for MRI VM stats is here!

By Jeff Kreeftmeijer on

How to Track Down Memory Leaks in Ruby
Ruby

How to Track Down Memory Leaks in Ruby

Let's explore how Ruby manages memory, garbage collection, and how to uncover a leak, in the first of this two-part series on memory leaks in Ruby.

By Tony Rowan on

How to Write a Functor in Elixir
Elixir

How to Write a Functor in Elixir

Learn all about functors and their benefits, then create a protocol for functors in Elixir.

By Gints Dreimanis on

An Introduction to Multithreading in Node.js
JavaScript

An Introduction to Multithreading in Node.js

Let's dive into multithreading and how to use worker threads in Node.

By Kayode Oluwasegun on

Writing Predictable Elixir Code with Reducers
Elixir

Writing Predictable Elixir Code with Reducers

In the first part of this two-part series, find out what code predictability is and how to apply it to your Elixir code.

By Marcos Ramos on

Deploy Your Ruby on Rails App Using Capistrano
Ruby

Deploy Your Ruby on Rails App Using Capistrano

Find out how to configure Capistrano in your Rails app, then deploy the app.

By Brena Monteiro on

How to Test Side-Effects in Node.js
JavaScript

How to Test Side-Effects in Node.js

Find out how to use a side-effects library when testing your Node.js app.

By Ekekenta Odionyenfe on

Get Started with Hotwire in Your Ruby on Rails App
Ruby

Get Started with Hotwire in Your Ruby on Rails App

Learn the basics of Hotwire and how to use it in your Rails app.

By Sapan Diwakar on

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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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