AppSignal

Get the Full Picture: AppSignal Adds OpenTelemetry Support | AppSignal Blog We're proud to launch OpenTelemetry. Learn how to use AppSignal's monitoring and observability toolkit to level up your app's performance.

We're excited to officially launch our OpenTelemetry instrumentation! 🎉
blog.appsignal.com/2025/08/07/g...

Deploy a Python Flask App to Render with Docker | AppSignal Blog Let's build and optimize a Flask app for deployment to Render using Docker.

🐍 New Python Wizardry: Deploy a Python Flask App to Render with Docker
blog.appsignal.com/2025/08/06/d...

Understanding Stack Traces in Elixir | AppSignal Blog Let's explore the fundamentals of stack traces in Elixir, how to read and interpret them, and some best practices for debugging and error handling.

⚗️ New Elixir Alchemy: Understanding Stack Traces in Elixir
blog.appsignal.com/2025/08/05/u...

Unit Testing in NestJS for Node Using Suites (Formerly Automock) | AppSignal Blog Let's check out what Suites offers and see it in action through a complete example using NestJS.

✨ New JavaScript Sorcery: Unit Testing in NestJS for Node Using Suites (Formerly Automock)
blog.appsignal.com/2025/07/30/u...

Build Custom ActiveStorage Analyzers for Ruby on Rails | AppSignal Blog We'll dive into how ActiveStorage treats uploaded data, and how to extend this process, in part one of this two-part series.

🎩 New Ruby Magic: Build Custom ActiveStorage Analyzers for Ruby on Rails
blog.appsignal.com/2025/07/30/b...

How the Application and Request Contexts Work in Python Flask | AppSignal Blog We'll dive into contexts in Flask using some practical examples.

🐍 New Python Wizardry: How the Application and Request Contexts Work in Python Flask
blog.appsignal.com/2025/07/23/h...

An Introduction to Oban for Elixir Monitoring Using AppSignal | AppSignal Blog In this article, we'll learn about Oban's fundamentals, potential pitfalls, and how to leverage AppSignal's monitoring capabilities for your Oban setup.

⚗️ New Elixir Alchemy: An Introduction to Oban for Elixir Monitoring Using AppSignal
blog.appsignal.com/2025/07/22/a...

Express for Node Error Handling and Tracking Done Right | AppSignal Blog Let's examine Express' default error handling behavior and learn how to customize it for different scenarios.

✨ New JavaScript Sorcery: Express for Node Error Handling and Tracking Done Right
blog.appsignal.com/2025/07/16/e...

Advanced JIT compilers for Ruby: TruffleRuby and JRuby | AppSignal Blog We'll explore two advanced JIT compilers for Ruby: TruffleRuby and JRuby.

🎩 New Ruby Magic - Advanced JIT compilers for Ruby: TruffleRuby and JRuby
blog.appsignal.com/2025/07/16/a...

Beyond console.log: Smarter Debugging with Modern JavaScript Tooling | AppSignal Blog We'll look at smart, scalable debugging strategies for your JavaScript application.

✨ New JavaScript Sorcery - Beyond console.log: Smarter Debugging with Modern JavaScript Tooling
blog.appsignal.com/2025/07/09/b...

How to Avoid N+1 Queries in Django Python | AppSignal Blog We'll see what N+1 queries are, why they can be an issue for your application, and how to mitigate them using Django’s best practices.

🐍 New Python Wizardry: How to Avoid N+1 Queries in Django Python
blog.appsignal.com/2025/07/09/h...

Advanced Strategies to Deploy Phoenix Applications with Kamal | AppSignal Blog In part two of this series, we dive into more advanced methods to deploy Phoenix applications using Kamal.

⚗️ New Elixir Alchemy: Advanced Strategies to Deploy Phoenix Applications with Kamal
blog.appsignal.com/2025/07/08/a...

How to Use MongoDB in Python Flask | AppSignal Blog Let's explore the benefits of MongoDB and use it in a Flask application.

🐍 New Python Wizardry: How to Use MongoDB in Python Flask
blog.appsignal.com/2025/07/02/h...

Advanced Ecto for Elixir Monitoring with AppSignal | AppSignal Blog In the second part of our two-part series, we'll set up more advanced Ecto monitoring using AppSignal.

⚗️ New Elixir Alchemy: Advanced Ecto for Elixir Monitoring with AppSignal
blog.appsignal.com/2025/07/01/a...

Flask or Django: Which One Best Fits Your Python Project? | AppSignal Blog Let's explore the key factors to take into account when deciding between Flask or Django for your Python app.

🐍 New Python Wizardry - Flask or Django: Which One Best Fits Your Python Project?
blog.appsignal.com/2025/06/25/f...

Testing MongoDB in Node with the MongoDB Memory Server | AppSignal Blog In this post, we'll test a Node-MongoDB app using MongoDB Memory Server.

✨ New JavaScript Sorcery: MongoDB in Node with the MongoDB Memory Server
blog.appsignal.com/2025/06/18/t...

A Deep Dive into Solid Queue for Ruby on Rails | AppSignal Blog In the second part of our series, let's dive deeper into some of Solid Queue's more advanced features.

🎩 New Ruby Magic: A Deep Dive into Solid Queue for Ruby on Rails
blog.appsignal.com/2025/06/18/a...

Using SQL in Node.js with Sequelize | AppSignal Blog We'll use Sequelize to connect to a database, run queries, and handle results within a Node.js project.

✨ New JavaScript Sorcery: Using SQL in Node.js with Sequelize
blog.appsignal.com/2025/06/11/u...

Deploying Phoenix Applications with Kamal | AppSignal Blog In this post, we dive into how to deploy Phoenix applications using Kamal.

⚗️ New Elixir Alchemy: Deploying Phoenix Applications with Kamal
blog.appsignal.com/2025/06/10/d...

Performance and Stress Testing in Node.js | AppSignal Blog We'll dive into the importance of performance and stress testing in Node.js and some of the best tools you can use.

✨ New JavaScript Sorcery: Performance and Stress Testing in Node.js
blog.appsignal.com/2025/06/04/p...

How to Set Up Tracing for Elixir Apps Using AppSignal | AppSignal Blog We'll set up tracing in your Elixir application using AppSignal.

⚗️ New Elixir Alchemy: How to Set Up Tracing for Elixir Apps Using AppSignal
blog.appsignal.com/2025/06/03/h...

Ways to Optimize Your Code in Python | AppSignal Blog We'll dive into four ways to optimize your Python project and improve performance.

🐍 New Python Wizardry: Ways to Optimize Your Code in Python
blog.appsignal.com/2025/05/28/w...

Come join our team! We're looking for a thoughtful, proactive Customer Support Specialist to provide a smooth and positive experience for AppSignal’s customers. www.appsignal.com/jobs/custome...

Set Up Tracing for a Ruby on Rails Application in AppSignal | AppSignal Blog Let's use AppSignal to detect, diagnose, remove performance bottlenecks, and employ tracing in a Ruby on Rails application.

🎩 New Ruby Magic: Set Up Tracing for a Ruby on Rails Application in AppSignal
blog.appsignal.com/2025/05/21/s...

An Introduction to Ecto for Elixir Monitoring with AppSignal | AppSignal Blog Let's set up Ecto monitoring in your Elixir application using AppSignal.

⚗️ New Elixir Alchemy: An Introduction to Ecto for Elixir Monitoring with AppSignal
blog.appsignal.com/2025/05/13/a...

What's New in Node.js 24 | AppSignal Blog Let's see what's worth getting excited about in the Node.js 24 release.

✨ New JavaScript Sorcery: What's New in Node.js 24
blog.appsignal.com/2025/05/09/w...

An Introduction to Solid Queue for Ruby on Rails | AppSignal Blog In this two-part series, we'll dig deep into Solid Queue's internals, discover what makes it unique, and learn more about why it was created in the first place.

🎩 New Ruby Magic: An Introduction to Solid Queue for Ruby on Rails
blog.appsignal.com/2025/05/07/a...

Migrating A JavaScript Project from Prettier and ESLint to BiomeJS | AppSignal Blog We'll introduce the BiomeJS project, set it up in a project, and help you decide if you should migrate from Prettier or ESLint to Biome.

✨ New JavaScript Sorcery: Migrating A JavaScript Project from Prettier and ESLint to BiomeJS
blog.appsignal.com/2025/05/07/m...

AppSignal Closes $22 Million Growth Investment | AppSignal Blog AppSignal closes a $22 million growth investment led by Elsewhere Partners, enabling us to take AppSignal to the next level.

AppSignal closes a $22 million growth investment led by Elsewhere Partners, enabling us to take AppSignal to the next level:
blog.appsignal.com/2025/05/06/a...

Using JWTs in Python Flask REST Framework | AppSignal Blog We'll build a JWT-based authentication system by creating a to-do list API using Flask.

🐍 New Python Wizardry: Using JWTs in Python Flask REST Framework
blog.appsignal.com/2025/04/30/u...