AppSignal Blog

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

Node.js's Underrated Combo: Passport and CASL

By Diogo Souza on

In this article, we're going to explore two valuable Node.js packages — Passport and CASL — that can help you boost the security of your application by providing both authentication and authorization functionality.

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Ruby on Rails Controller Patterns and Anti-patterns

By Nikola Đuza on

In this part of the series on Rails patterns and anti-patterns, we are going to analyze the final part of the MVC (Model-View-Controller) design pattern — the Controller.

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AppSignal Now Monitors Koa and All Your Cascading Middleware

By Stefan Verkerk on

AppSignal now monitors Koa! This Node.js framework enables you to use cascading middleware, which can now also be shown in AppSignal.

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Exposing More Public Endpoints for Sending Metrics and Errors to AppSignal

By Robert Beekman on

To help customers running code on serverless architecture, we're exposing two new endpoints on our Public Endpoint API.

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Engineering for Performance: Ghost Queries

By Robert Beekman on

Using Ghost Queries to test a new system/database in production with no worry of errors or downtime.

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The Easiest Way to Monitor Ruby: Automatic Instrumentation

By Milica Maksimović, Tom de Bruijn on

Automatic instrumentation enables AppSignal app to digest, process, monitor, and show you the graphs and dashboards you need the most.

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Powerful Caching with Redis for Node.js Applications

By Diogo Souza on

In this article, we're going to explore some of the most interesting nuances of Redis caching patterns, using Node.js as the environment to run some benchmark testing.

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New Feature: Searching Through Samples in AppSignal

By Wes Oudshoorn on

Search is now available for all AppSignal customers. It enables you to quickly find specific samples inside of AppSignal.

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Announcing AppSignal for Ruby Gem 3.0!

By Tom de Bruijn on

We're very happy to present you with version 3.0 of AppSignal for Ruby - a new major release for the Ruby gem. 🎉

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Troubleshooting ActiveRecord Performance

By Tomas Fernandez on

You usually don't need to worry about AcriveRecord and its inner workings. This post comes in handy when performance issues arise and you have to start worrying about it.

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Using Webpacker in Your Ruby on Rails Application — a Deep Dive

By Paweł Dąbrowski on

Let's take a deep dive into Webpacker and see how the tool works under the hood.

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Ruby on Rails View Patterns and Anti-patterns

By Nikola Đuza on

Rails views are sometimes amazing and fast, and at other times, they can have all sorts of issues. If you want to increase confidence over how you handle your views, then this blog post is for you.

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