AppSignal
AppSignal Intelligence Just Got More Rails Context
We’re taking our partnership with Chris Oliver one step further: 10 Ruby and Rails tutorials, made with GoRails, now in the context store AppSignal Intelligence reads.
General
AppSignal at ElixirConf 2026
ElixirConf 2026 starts today in Chicago. Here’s what we’ve been building to make monitoring your Elixir app — and handing it to your coding agent — as easy as it should be.
AppSignal
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A feature-by-feature comparison of AppSignal against the single-purpose monitoring tools it can replace, from Rollbar and PagerDuty to Cronitor and UptimeRobot.
AI Development
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Compare 17 AI testing tools across five categories - from autonomous agents to managed QA services, and find the right fit for your team's testing workflow.
AppSignal
MCP Won't Replace Your Monitoring Tool
MCP is a powerful interface for your monitoring data but it's not a replacement for your monitoring tool. Here's why.
AI Development
Why You Shouldn't Vibe Code Your Monitoring Tool
Looking to build your own monitoring tool? While it may seem like a good idea at first, there are several reasons why you shouldn't vibe code your monitoring tool.
AppSignal
How to Investigate a Production Incident Using an AI Agent (AppSignal MCP)
A step-by-step guide to investigating a production incident using an AI agent with AppSignal's MCP server.
AppSignal
Your Render Migration Checklist: How to Verify Everything Is Working
Migrating to Render? This checklist will help you verify everything is working. From database and file storage to monitoring and alerting, we’ve got you covered.
Python
From Claude Code to Production: A Monitoring Checklist for Python Developers
If you're using AI to build a Python app, you need to make sure it's production-ready. Here's a checklist to get you started.
AppSignal
Triage Production Incidents with a Single Prompt Using the AppSignal CLI
One AppSignal customer wired our official CLI into an agent skill, so he can search production logs, triage incidents, and check deploys in plain English. Here's how he set it up, and what it lets him do.
AppSignal
AppSignal MCP Server: Get Started in your IDE
Learn how to connect AppSignal's MCP server to Cursor, Claude Code, VS Code, and Zed in under five minutes and give your AI agent direct access to your production monitoring data.
AppSignal
AppSignal Launch Week 2026 Recap
Five days of new AppSignal features: Render Metrics Stream support, hosted MCP and CLI, logging upgrades, Process Monitoring, and dark mode.
More articles
- Why Your Sidekiq Jobs Are Slower Than You Think, and How AppSignal Fixes That
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- Why AI-Generated Code Needs Monitoring More Than Handwritten Code
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- 5 Alternatives to Prometheus in 2026
- Vibe Coding Economically: Which Framework Is the Cheapest? (Rails vs Django vs Laravel)
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- Monitor your Render services with AppSignal
- Building a CloudWatch metrics pipeline: parsing OpenTelemetry data
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- Data Sovereignty: How to Keep All of Your Services in Europe (AppSignal + Hatchbox)
- Introducing AppSignal Labs
- How to Monitor Your Node.js App on Hetzner with AppSignal
- Setting Up Server Monitoring for a Rails App on Hatchbox
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- From Keyword Search to Ask AI: How We Upgraded AppSignal's Docs Experience
- What Is Wrong With PaaS Today?
- Monitoring CPU and Memory on Your VPS with AppSignal
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- Monitoring Django Query Performance with AppSignal
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- N+1 Detection in AppSignal's OpenTelemetry Trace Timeline
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- Setting Up AppSignal for a Node.js App Running on Kubernetes
- Signal Forms in Angular: The Missing Link in Modern Reactivity
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- What Metrics to Monitor in Your Vibe Coded App
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- AppSignal's MCP Server: Connect AI Agents to Your Monitoring Data
- Monitoring Your Node.js App Health on Fly.io
- Signal-Driven Error Monitoring: Detecting and Debugging Reactive Failures in Angular
- Why Monitoring Matters for Modern Hosting Platforms
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- AppSignal’s Top 5 Elixir Posts in 2025
- AppSignal’s Top 5 JavaScript Posts in 2025
- AppSignal’s Top 5 Ruby Posts in 2025
- Create a Markdown Editor in Ruby on Rails
- Monitoring Node.js Express Application Performance with AppSignal
- Improve Query Performance Using Python Django QuerySets
- The Performance Revolution in JavaScript Tooling
- Completing, Integrating, and Publishing Our Game with DragonRuby
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- Build an Elixir App with Cowboy
- Diving Into Reactive Programming in Node.js
- Rendering Samples with Showcase for Ruby on Rails
- An Introduction to Game Development with DragonRuby
- Debugging in Elixir with Observer
- Find and Fix Fastify Slowdowns with AppSignal for Node.js
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- Ways to Improve Node.js Loader Performance
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- Render a Component Preview In Showcase for Ruby on Rails
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- How to Read Code from the Showcase Ruby on Rails Engine
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- AppSignal Launch Week Recap
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- Scheduling Background Tasks in Python with Celery and RabbitMQ
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- Unit Testing in NestJS for Node Using Suites (Formerly Automock)
- How the Application and Request Contexts Work in Python Flask
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- How to Avoid N+1 Queries in Django Python
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- How to Use MongoDB in Python Flask
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- A Deep Dive into Solid Queue for Ruby on Rails
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- Performance and Stress Testing in Node.js
- How to Set Up Tracing for Elixir Apps Using AppSignal
- Ways to Optimize Your Code in Python
- Set Up Tracing for a Ruby on Rails Application in AppSignal
- An Introduction to Ecto for Elixir Monitoring with AppSignal
- What's New in Node.js 24
- Solid Queue for Ruby on Rails: An Introduction (Rails 8.1)
- Biome vs. ESLint and Prettier: How to Migrate Your JS Project
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- How To Write Unit Tests in Node.js Using Mocha
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- Instrumenting Redis in Python with AppSignal
- An Introduction to Testing in Python Flask
- Advanced Dialyzer Usage in Elixir: Types and Troubleshooting
- Prevent Silent Failures and Monitor Any Process with AppSignal Wrap
- How to Choose Between SQL, Query Builders, and ORMs in Node.js
- Seamless Issue Management with AppSignal: How to Quickly Assign, Track, and Resolve Incidents
- Generating Tests from Recorded Data in Node.js
- Getting Started with Dialyzer in Elixir
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- Project Managing Multiple Applications with AppSignal
- Easily Monitor Multiple Heroku Apps with AppSignal
- Fine-Tune Your Charts with Minutely Metrics in AppSignal
- Secure Your Sign-Ins with AppSignal's Single Sign-On
- End-to-End Testing With TestCafe for Node.js
- An Introduction to Absinthe for Elixir Monitoring with AppSignal
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- Manage All Your App Notifications in One Place with AppSignal
- The Top 5 Scout Alternatives
- Integrate AppSignal with AWS Fargate in Python Flask
- AbortController in Node.js: Cancel Async Operations
- AppSignal Now Offers Support for Long-Running Streaming Rack Responses in Ruby
- Building a Distributed Rate Limiter in Elixir with HashRing
- AppSignal's 2024 Event Sponsorships
- Monitor the Performance of Your Python Flask Application with AppSignal
- Export Datasets and Graphs from AppSignal
- Fuzz Testing REST APIs in Node.js
- Tracking Errors in Tesla with AppSignal for Elixir
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- AppSignal’s Top 5 Elixir Posts in 2024
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- The Basics of Rack for Ruby
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- Track Errors in Phoenix for Elixir with AppSignal
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- How to Perform Data Validation in Node.js
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- Advanced Dependency Injection in Elixir with Rewire
- The Top 5 Datadog Alternatives
- Develop a Serverless TypeScript API on AWS ECS with Fargate
- How to Use Tailwind CSS for Your Ruby On Rails Project
- Getting Started: Your Ruby On Rails App Hosted On DigitalOcean With AppSignal
- Track Errors in Your Python Flask Application with AppSignal
- AppSignal Is A Rails World 2024 Platinum Sponsor
- Cypress vs. Playwright for Node: A Head-to-Head Comparison
- Five Things to Avoid in Ruby
- Using Dependency Injection in Elixir
- Rails Forms Guide: Simple Form vs form_with (Rails 8)
- Understanding Offset and Cursor-Based Pagination in Node.js
- Debugging Ruby with pry-byebug (vs debug): 2026 Guide
- Effective Testing in JavaScript
- What's New in Node.js 22
- AnyCable for Ruby on Rails: How Does it Improve over Action Cable?
- When to Use Bun Instead of Node.js
- Should You Use Ruby on Rails or Hanami?
- Deep Diving Into the Erlang Scheduler
- Introducing Support for Apollo Gateway
- Handling Exceptions in Grape for Ruby: rescue_from and error!
- Measuring Node.js Performance in Production with Performance Hooks
- How to Implement Rate Limiting in Express with express-rate-limit
- How to Use Flume in your Elixir Application
- Tracking Custom Metrics in Python with AppSignal
- Building Serverless Apps with the AWS CDK Using TypeScript
- Track Errors in FastAPI for Python with AppSignal
- Strong Migrations for Rails: Safe Database Migration Practices (Rails 8.1)
- Direct File Uploads to Amazon S3 with Phoenix LiveView
- AppSignal's 2024 Ruby Event Sponsorships
- Node.js Performance APIs: An Introduction
- Turbo Streaming Modals in Ruby on Rails
- Two-Factor Authentication Enforcement Now Available On All AppSignal Plans
- Active Record vs Sequel: Choosing a Ruby ORM
- Powerful Caching in Elixir with Cachex
- Top 8 Recent V8 in Node Updates
- Track Errors in Your Python Django Application with AppSignal
- Hotwire Modals in Ruby on Rails with Stimulus and Turbo Frames
- Creating Custom Exceptions in Elixir
- Build an Idempotent API in Node.js with Redis
- Full-Text Search for Ruby on Rails with Litesearch
- Introducing AppSignal Business Add-Ons
- RSpec Tests in Ruby on Rails: Every Spec Type Explained (2026)
- How to Build a Memory-efficient Elixir App with Streams
- An Introduction to Testing with Django for Python
- Throttling a Kafka Queue in Node.js
- Behaviour Driven Development in Ruby with RSpec
- Build A Simple Tracing System in Elixir
- Dealing with CPU-bound Tasks in Node.js
- Speed Up Your Ruby on Rails Application with LiteCache
- Keep your Ruby Code Maintainable with Draper
- AppSignal’s Top 5 Elixir Posts in 2023
- AppSignal’s Top 5 JavaScript Posts in 2023
- AppSignal’s Top 5 Ruby Posts in 2023
- What's New in Elixir 1.16
- Connecting React.js and StimulusJS with JavaScript Events
- AppSignal Expands Monitoring Capabilities with Vector
- Server-side Rendering with Next.js, React, and TypeScript
- Stream Updates to Your Users with LiteCable for Ruby on Rails
- How to Deploy a Python Flask app with Heroku
- How to Use Shoulda Matchers with RSpec for Ruby on Rails
- Advanced Multi-tenancy for Elixir Applications Using Ecto
- An Introduction to Profiling in Node.js
- Keep Your Ruby Code Maintainable with Money-Rails
- Monitor Solid Cache in Rails with AppSignal
- Shaping the Future of Ruby and Kafka Together with rdkafka-ruby
- Setting Up a Multi-tenant Phoenix App for Elixir
- How We Handle Upgrades at AppSignal
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- How to Optimize MongoDB Performance for Node.js
- How to Set Request Timeouts in Node.js and Express
- Validating Data in Elixir: Using Ecto and NimbleOptions
- How AppSignal Got Its (Domain) Name
- We've Levelled up Our Top Monitoring Features
- A Deep Dive Into LiteDB for Ruby on Rails
- What Do Deno and Bun Bring to the Table?
- AppSignal Monitoring Available for Python Applications
- Sponsoring Rails World: What Did It Cost, and Was It Worth It?
- What's New in Node.js 21
- How To Use Zig for Elixir NIFs
- Advanced Usages of Action Policy for Ruby on Rails
- AWS Step Functions with Node.js: Build an API
- Monitor Your Node.js and Remix Application with AppSignal
- Expressive Ruby and Rails: Communicate Effectively With Your Code
- Validate Data in a Phoenix Application for Elixir
- Deploy and Test AWS Step Functions with Node.js
- Using Action Policy for a Ruby on Rails App: The Basics
- How To Reduce Reductions in Elixir
- An Introduction to LiteStack for Ruby on Rails
- An Introduction to Exceptions in Elixir
- Sidekiq for Ruby on Rails: Setup, Jobs & Monitoring (2026)
- When to Use Playwright Over Puppeteer in Node.js
- Phoenix 1.7 for Elixir: Edit a Form in a Modal
- An Introduction to RuboCop for Ruby on Rails
- Job Schedulers for Node: Bull or Agenda?
- Tracking Errors in a Node.js Application
- Writing a Custom Credo Check in Elixir
- Secure Your Ruby App with JSON Web Tokens
- Pitfalls to Avoid in Playwright for Node.js
- How to Use MongoDB and Mongoose with Node.js
- A Deep Dive into Subscriptions with Absinthe
- Add a Form to a Modal in Phoenix 1.7
- Metaprogramming in Ruby: send, define_method & method_missing
- Track Errors in Fastify with AppSignal
- How to Delegate Methods in Ruby: Forwardable, SimpleDelegator, and Rails delegate
- Observe Your Phoenix App with Structured Logging
- Devise for Ruby on Rails: Setup, Modules & Rails 8 Auth
- An Introduction to Playwright for Node.js
- Boost HTTP Client Monitoring in Elixir with AppSignal and Tesla Templates
- Multithreading with Worker Threads in Node.js
- A Deep Dive into Mutations with Absinthe
- Monitoring Your Elixir GraphQL API with AppSignal
- Keep Your Ruby App Secure with Bundler
- Migrate Your Express Application to Fastify
- Expand Your Monitoring Capabilities with AppSignal's Standalone Agent Docker Image
- Ruby Lambdas: Syntax, Lambda vs. Proc, and return/next Semantics
- Create and Open a Modal in Phoenix 1.7
- Rails Error Reporting: Rails.error and ActiveSupport::ErrorReporter
- Puppeteer in Node.js: More Antipatterns to Avoid
- Setting Up Business Logic with DCI in Rails
- Designing a Scalable Backend in Node.js
- Absinthe for Large Elixir Applications
- How to Use Sinatra to Build a Ruby Application
- Set Up Tracing for a Node.js Application on AppSignal
- Advanced Fastify: Hooks, Middleware, and Decorators
- Tackling Performance Issues in Ecto Applications
- Transport Your Logs to AppSignal with Winston
- An Introduction to Async Stack Traces in Node.js
- Manage Your Ruby Logs Like a Pro
- An Introduction to Absinthe
- Organize Business Logic in Your Ruby on Rails Application
- A Guide to Handling Errors in Preact
- Integrate and Troubleshoot Inbound Emails with Action Mailbox in Rails
- Getting Started with Fastify for Node.js
- How to Monitor Custom Metrics with AppSignal
- Test Data Libraries for Elixir
- How to Load Code in Ruby
- Node.js Pitfalls to Avoid
- Optimize Your Prisma Queries with AppSignal and OpenTelemetry
- Audit Logging in Ruby and Rails
- An Introduction to Mocking Tools for Elixir
- How to Use the rodauth-omniauth Gem in Ruby
- Monitor the Health of Your Node.js Application
- Monitor NGINX Performance Automatically with AppSignal
- Custom Exceptions in Ruby: Classes, Messages & Hierarchies
- Debugging Phoenix LiveView with open_browser/2
- Pundit vs CanCanCan: Choosing a Rails Authorization Gem
- Introducing AppSignal Logging
- Generating Data Functions in Your Elixir App
- A Generalized User-local Container for UI State in Kredis
- How to Build an Error Handling Layer in Node.js
- Making the Most of Your Logs in Rails
- An Introduction to Test Factories and Fixtures for Elixir
- Storing Ephemeral UI State with Kredis for Rails
- Track Errors in Your NestJS Application with AppSignal
- Introducing AppSignal for Hanami
- Under the Hood of Ecto
- An Introduction to Application Monitoring
- Puppeteer in Node.js: Common Mistakes to Avoid
- AppSignal for Elixir Now Supports Oban
- 5 Node.js Tools to Learn in 2023
- A Guide to Rails View Helpers
- Monitoring Your NestJS Application with AppSignal
- Calling Ruby Methods in C: Avoid Memory Leaks
- How To Instrument Your Elixir Application with AppSignal
- How to Parse Arguments in Your Ruby C Extension
- Secure Your AWS Lambdas with TypeScript
- Create a Business Language for a Rails Application
- Debugging and Tracing in Erlang
- AppSignal’s Top 5 Elixir posts in 2022
- AppSignal’s Top 5 Node.js posts in 2022
- AppSignal’s Top 5 Ruby posts in 2022
- A Guide to Memoization in Ruby
- How to Cache Locally in Elixir with Nebulex
- A First Look at Hanami 2 for Ruby
- AppSignal for Phoenix Version 2.2.0 Supports Phoenix 1.7
- Optimize Your AWS Lambdas with TypeScript
- Debugging in Elixir and Erlang: An Introduction
- AppSignal for Node.js 3.0 Introduces OpenTelemetry Support
- Node.js Architecture Pitfalls to Avoid
- System Notifications with Noticed and CableReady in Rails
- AppSignal's Future with OpenTelemetry
- Node.js Error Handling: Tips and Tricks
- Node.js 19 Release: What’s New
- Parser Combinators in Elixir: A Deeper Dive
- AppSignal Supports Mastodon
- How to Handle Async Code in JavaScript
- How to Scale Ruby on Rails Applications
- What's New in Next.js 13
- Sanitize Strings in Elixir with Pattern Matching and Recursion
- AWS Lambdas with TypeScript: Improve the Dev Experience
- Build a Table Editor with Trix and Turbo Frames in Rails
- AppSignal for Elixir Now Supports Finch
- Improve Code in Your Ruby Application with RubyCritic
- Parser Combinators in Elixir: Taming Semi-Structured Text
- Deploy a Node.js and MongoDB Application to Heroku
- Phoenix LiveView 0.18: New Special HTML Attributes
- Security Best Practices for Your Rails Application
- Faster XML Parsing with Elixir
- Minimize Heap Allocations in Node.js
- Debugging in Ruby with AppSignal
- How to Build AWS Lambdas with TypeScript
- Fix Process Bottlenecks with Elixir 1.14's Partition Supervisor
- Secure Your Node.js App with JSON Web Tokens
- Elixir 1.14: Better Debugging with dbg/2 and More
- JIT Compilers for Ruby and Rails: An Overview
- Benchmark Your Elixir App's Performance with Benchee
- 4 Ways to Minimize Your Dependencies in Node.js
- Monitor Ruby Application Performance with Magic Dashboards
- Ractors in Ruby: Parallel Execution, Messages & Shareable Objects
- Predictable Code in Elixir: Expressions as Reducers and Macros
- Build a CRUD App with Node.js and MongoDB
- A Deep Dive into Memory Leaks in Ruby
- Write a Standalone CLI Application in Elixir
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- All You Need to Know about EdgeDB
- Monitor Alpine Linux ARM Hosts with AppSignal
- AppSignal for Ruby Gem 3.1: MRI VM Magic Dashboard
- How to Track Down Memory Leaks in Ruby
- How to Write a Functor in Elixir
- An Introduction to Multithreading in Node.js
- Writing Predictable Elixir Code with Reducers
- Deploy Your Ruby on Rails App Using Capistrano
- How to Test Side-Effects in Node.js
- Get Started with Hotwire in Your Ruby on Rails App
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- LiveView Assigns: Three Common Pitfalls and Their Solutions
- AppSignal’s Next Level Of Front-end Error Tracking
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- A Guide to Phoenix LiveView Assigns
- Add Feature Flags in Ruby on Rails with Flipper
- Adding Redis & MySQL to AppSignal for Node.js with OpenTelemetry
- Build a Data Access Layer with PostgreSQL and Node.js
- Algebraic Data Types in Elixir
- An Introduction to Polymorphism in Ruby on Rails
- Livebook for Elixir: Just What the Docs Ordered
- Using Scientist to Refactor Critical Ruby on Rails Code
- How We Improved Table Performance in AppSignal - Back-end Changes
- A Guide to Event-Driven Architecture in Elixir
- Bootstrapping with Ruby on Rails Generators and Templates
- Logbook: Team Discussion and Full Incident History
- Node.js 18 Release: What's New
- Using Profiling in Elixir to Improve Performance
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- Principles of Object-oriented Programming in TypeScript
- Rails Transactions: ActiveRecord::Rollback & Error Handling
- Phoenix LiveView Under The Hood: The Form Function Component
- Build Serverless APIs with Node.js and AWS Lambda
- The Perils of Parallel Testing in Ruby on Rails
- A Guide to Secure Elixir Package Updates
- New Process for Exception and Performance Incident Emails
- PM2 for Node.js: Auto-Restart, Monitoring, and Clustering
- Import Maps Under the Hood in Rails 7
- Organize Your Custom Dashboards More Easily in AppSignal
- Patterns and Anti-patterns in Node.js
- Dependency Injection in JavaScript: Write Testable Code Easily
- Delayed Job vs. Sidekiq: Which Is Better?
- An Introduction to Deno: Is It Better than Node.js?
- Functional Programming in Elixir with Witchcraft
- How to Keep Database Table Sizes Down and Prevent Data Bloat
- Use Streams to Build High-Performing Node.js Applications
- Improvements Made to AppSignal for Node.js in 2022
- Securing Your Phoenix LiveView Apps
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- Next Level Ruby on Rails Application Monitoring with AppSignal
- AppSignal’s Top 5 Elixir Posts in 2021
- AppSignal’s Top 5 JavaScript Posts in 2021
- AppSignal’s Top 5 Ruby Posts in 2021
- 8 Common Causes of Flaky Tests in Elixir
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- What's New in Rails 7
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- Node.js Memory Limits: Heap Size and How to Increase It
- Ruby on Rails Application Monitoring with AppSignal
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- Three Ways to Debug Code in Elixir
- 7 Ways to Improve Node.js Performance at Scale
- Practical Garbage Collection Tuning in Ruby
- Pitfalls of Metaprogramming in Elixir
- A Guide to Load Testing Node.js APIs with Artillery
- Designing Error Messages and a Logging Strategy in Node.js
- Authorization and Policy Scopes for Phoenix Apps
- What's New in Node.js 17
- How to Use Macros in Elixir
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- How to Dockerize an Existing Node.js Application
- Add More Metadata to Your Front-end JavaScript Errors in AppSignal
- How to Do Live Uploads in Phoenix LiveView
- Improved Error Tracking for Node.js in AppSignal
- Under the Hood of Macros in Elixir
- Real-Time Form Validation with Phoenix LiveView
- Improve Your Life with Long Error Messages
- How to Reduce Memory Bloat in Ruby
- What Are Atoms in Elixir and How To Monitor Them With AppSignal
- CPU Steal Time: A Crucial Metric for Cloud Servers and VMs
- How to Debug Cloudflare Workers with AppSignal
- Application Code Upgrades in Elixir
- Launching Public Status Pages for Uptime Monitoring on AppSignal
- An Introduction to Metaprogramming in Elixir
- Best Practices for Logging in Node.js
- LiveView Integration Tests in Elixir
- Exploring Asynchronous Requests in Recoil
- Responsible Monkeypatching in Ruby: prepend, Refinements, and Safe Gem Patches
- Using Supervisors to Organize Your Elixir Application
- TypeScript Compiler API: Improve API Integrations Using Code Generation
- An Introduction to Testing LiveView in Elixir
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- Building Aggregates in Elixir and PostgreSQL
- General Ruby on Rails Problems and Takeaways
- How to Monitor and Optimize Your Database Performance: A Practical Guide
- Adding Kubernetes Metadata to Your AppSignal Errors
- How to Test WebSocket Clients in Elixir with a Mock Server
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- Performance, Stress, and Load Tests in Rails
- Uptime Monitoring: A One-week Project, a Decade In the Making
- Monitoring Memory Usage for Erlang and Elixir Applications
- Integrating AppSignal With Microsoft Teams
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- Zero-touch SaaS Bookkeeping with Stripe and Moneybird
- Sidekiq Unique Jobs: Three Ways to Avoid Duplicates
- New Features: Heroku Errors and a Magic Dashboard
- A Quick Guide to CO2 Offsetting for Startups
- Linting Ruby Code
- Node.js's Underrated Combo: Passport and CASL
- Ruby on Rails Controller Patterns and Anti-patterns
- AppSignal Now Monitors Koa and All Your Cascading Middleware
- Exposing More Public Endpoints for Sending Metrics and Errors to AppSignal
- Engineering for Performance: Ghost Queries
- The Easiest Way to Monitor Ruby: Automatic Instrumentation
- Powerful Caching with Redis for Node.js Applications
- New Feature: Searching Through Samples in AppSignal
- Announcing AppSignal for Ruby Gem 3.0!
- Using Webpacker in Your Ruby on Rails Application — a Deep Dive
- Ruby on Rails View Patterns and Anti-patterns
- Improving Node.js Application Performance With Clustering
- RBS: A New Ruby 3 Typing Language in Action
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- How Absinthe Uses Compilation Callbacks for Schema Validation in Elixir
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- Top 5 Elixir Blog Posts in 2020 from AppSignal
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- New Magic Dashboard for Ruby on Rails: ActionMailer
- Setting Up AppSignal Monitoring for a Ruby on Rails Application
- The Easiest Way to Monitor Node.js: Automatic Instrumentation
- Building a Multi-tenant Ruby on Rails App With Subdomains
- Fast & Curious: Find and Fix Slow Queries & API Requests
- Server-side Rendering in JavaScript: A Modern Approach
- Ruby on Rails Model Patterns and Anti-patterns
- Announcing AppSignal for Elixir 2.0
- Understanding Associations in Elixir's Ecto
- Structuring Monitoring Data in Monolithic Applications With Namespaces
- Setting Up Triggers and Alerts From Graphs in AppSignal
- Triggers in AppSignal: Already Powerful — Now Easy To Set Up 🚀
- JavaScript Internals: Garbage Collection
- AppSignal is Free for Open-Source Software & "For Good" Projects
- Capabilities of Elixir's Logger
- Launching AppSignal Monitoring for Node.js 1.0
- Exploring Node.js Async Hooks
- Monitoring Any System with StatsD and AppSignal's Standalone Agent
- The Diagnose: How Support Works at AppSignal
- Rails Concerns: To Concern Or Not To Concern
- Improved Pagerduty Integration with Detailed Alerts
- Node.js Resiliency Concepts: Recovery and Self-Healing
- Going from Consulting to SaaS
- Getting Started With Web Vitals in Next.js
- Testing the Tricky Parts of an Absinthe Application
- Identifying and Resolving a Kafka Issue With AppSignal
- Security Best Practices for Node.js
- AppSignal Ruby Gem 2.11: Active Job and Friends
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- Introduction to Ruby on Rails Patterns and Anti-patterns
- AppSignal Now Supports Redis for Node.js Out of the Box
- The State of Elixir HTTP Clients
- Node.js Resiliency Concepts: The Circuit Breaker
- Building State Machines in Elixir with Ecto
- Scaling Queue Workers Efficiently with AppSignal Metrics
- How AppSignal Monitors Their Own Kafka Brokers
- A Deep Dive Into V8
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- Best Practices for Background Jobs in Elixir
- Git is About Communication
- Using Service Objects in Ruby on Rails
- A Major Overhaul of AppSignal Dashboards: Powerful and Easy to Use
- New feature: PostgreSQL Magic Dashboard in AppSignal for Node.js
- Performance and N+1 Queries: Explained, Spotted, and Solved
- Building APIs With GraphQL in Your Node.js Application
- AppSignal Adds Next.js Integration - Automatically Adds Web Vitals Monitoring
- Developer Dilemmas Are Now Online
- Using Mnesia in an Elixir Application
- JavaScript Growing Pains: From 0 to 13,000 Dependencies
- New Integration: PostgreSQL Instrumented for Node.js
- Developer Dilemmas are Coming Online Soon
- Quickly Duplicate Triggers Across Apps in AppSignal
- Avoiding Memory Leaks in Node.js: Best Practices for Performance
- RailsConf 2020.2 Couch Edition
- JavaScript Error Tracking with AppSignal v1.3.0 is Here
- Configuring your Elixir Application at Runtime with Vapor
- Elixir Package 1.13: Phoenix LiveView Helpers and Updated Typespecs
- Official AppSignal Discord Integration is Here
- New AppSignal Feature: Graph Builder
- Dissecting Rails Migrations: Anatomy, Rollbacks, and Errors (Rails 8.1)
- Ride Down Into JavaScript Dependency Hell
- The Citadel Architecture at AppSignal
- AppSignal Now Supports Node.js: Roadmap for the Coming Weeks
- Changing the Approach to Debugging in Ruby with TracePoint
- What's The Difference Between Monitoring Webhooks and Background Jobs
- How to Use gRPC in Elixir
- Facade Pattern in Rails for Performance and Maintainability
- Building Compile-time Tools With Elixir's Compiler Tracing Features
- Building a Rails App With Multiple Subdomains
- Elixir Package 1.12: Phoenix 1.5 Support & Better Channel Error Handling
- Hostname Filter for Anomaly Detection Host Triggers
- UI/UX Updates: Faster and Smoother Sample Navigation in AppSignal
- Migrating Production Data in Elixir
- Effective Profiling in Google Chrome
- How to Monitor Your Host Metrics Automatically
- Getting Started With System Tests in Rails With Minitest
- AppSignal Ruby Gem 2.10: Better Diagnose (And More)
- Monitoring the Erlang VM With AppSignal's Magic Dashboard
- How to Get Your Elixir Application Ready for CI/CD
- JavaScript Error Tracking v1.1.0
- Rails is Fast: Optimize Your View Performance
- structure.sql vs schema.rb: Choosing a Rails Schema Format
- Top 10 AppSignal Blog Posts in 2019
- How to Use Broadway in Your Elixir Application
- Configurable Ruby Modules: The Module Builder Pattern
- JavaScript Errors: An Exceptional History - Part II
- Caching with Elixir and ETS
- How to Read Performance Metrics in AppSignal
- Sidekiq Optimization and Monitoring
- JavaScript Errors: An Exceptional History
- Launching JavaScript Error Tracking v1.0.
- Typespecs and Behaviours in Elixir
- Introducing area charts for custom dashboards.
- How We Tracked Down an Exception Without Errors: A Detective Story
- Ruby Templating: Baking an Interpreter
- Migrate to our new Slack App!
- TL;DR: Our new logo
- Flags, Seeds and Idempotency: Database Tooling with Elixir
- The Inherited Hook Method in Ruby - and More Parenting Lessons
- New Sample Page Graphs and Navigation
- Type Checking in Ruby — Check Yo Self Before You Wreck Yo Self
- Cleaning Up Ruby Strings 13 Times Faster
- Multiplayer Go with Elixir's Registry, PubSub and dynamic supervisors
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- Iteration, Recursion, and Tail-call Optimization in Elixir
- Improved navigation for better feature discovery.
- Ruby's Hidden Gems, StringScanner
- Diving into Ruby's #dup and #clone
- Pouring Protocols in Elixir
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- Introducing our Google Hangouts Chat integration
- Unraveling Classes, Instances and Metaclasses in Ruby
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- Elixir package 1.9: Improved Erlang error & Container memory support
- Ruby gem 2.8 - Container memory & JRuby on Alpine Linux support
- Don't be mean: Statistical means and percentiles 101
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- ActiveRecord vs. Ecto Part Two
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- Elixir package 1.8: Improvements!
- Ruby gem 2.7: Improvements and bug fixes
- Changing the Way Ruby Creates Objects
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- Elixir integration 1.7 released
- Under the Hood: “Slurping” and Streaming Files in Ruby
- AppSignal Dashboard: Live updating insights
- Rebooting the Luftschiff!
- Caching counters with ActiveRecord's counter caches
- Deconstructing Elixir's GenServers
- Ruby's redo, retry and next keywords
- Enumerable and Enumerator in Ruby: each, Lazy, and Custom Classes
- Speeding up your app’s navigation with Turbolinks
- Ruby’s ensure, retry, and raise: Retrying and Reraising Exceptions
- Elixir integration 1.6: The GDPR release!
- General Data Protection Regulation (GDPR)
- Ruby gem 2.6: The GDPR release!
- Client-side caching in Rails: conditional GET requests
- Post-mortem: April 19th, 2018
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- New GitHub integration
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- AppSignal UI updates
- Elixir integration 1.5 released
- Russian doll caching in Rails
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- Understanding CPU statistics
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- Ruby gem 2.5 - JRuby support!
- Debugging Exceptions in Rails: Common Errors and Fixes
- Improved host metrics and alerts
- How to Read Ruby Stack Traces: Backtraces, Causes and Fixes
- Track cache hits with custom metrics
- Elixir integration 1.4 released
- Ruby gem 2.4 - FreeBSD support and more exceptions!"
- Koos: keeping others off support
- Better, more and more specific notification options
- Two-factor authentication
- (Mass) Change incident status
- Introducing Anomaly detection (Beta)
- Improved Snapshots of your apps
- Supervisors: Building fault-tolerant Elixir applications
- Elixir integration 1.3 released
- A look at how Ruby interprets your code
- Improved Slack notifications
- Gem 2.3 - ActionCable!
- Concurrency Deep Dive: Event loops
- Demystifying processes in Elixir
- Gem 2.2 - Custom namespaces!
- Concurrency Deep Dive: Multi-threading
- Elixir integration 1.2 released
- Elixir integration 1.1 released
- Concurrency Deep Dive: Multi-process
- Launching AppSignal for Elixir
- Gem 2.1 released - Alpine Linux support!
- Documentation updates
- Running Rack: How Ruby HTTP servers run Rails apps
- Escaping Characters in Ruby Strings and Regular Expressions
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- Custom Markers
- Gem 2.0 released 🎉
- Rebasing a complex branch in Git
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- Introduction to Garbage Collection (Part II)
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- Monitor MongoDB (query) load with Custom Metrics
- New event timeline
- Gem 1.2: Host metrics
- Gem version 1.1
- Upgrading to Mongoid 5 / mongo-ruby-driver
- Mastering Concurrency
- Introducing Graph Toggles
- Stroopwafels and how to eat them
- How to use custom metrics
- Getting high on our own supply
- Shipped it: A partnership with the Ruby on Rails podcast
- Event type graphs
- AppSignal agent release
- Phabricator integration
- PagerDuty integration
- OpsGenie integration
- Five Signs to Recognize a Future Customer
- Gem version 0.11.13 released
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- Automated screenshots using Capybara and Selenium
- Padrino support
- Issue states, notification settings & interface updates
- Introducing the Intercom integration beta
- Handling VAT with Stripe: Follow up
- Introducing the JIRA beta
- Official Sinatra support
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- GitLab integration
- Gem version 0.11
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- Post-Mortem: Why our gem disabled itself
- Gem version 0.10
- Consistent API
- Flowdock integration
- Gem version 0.9
- Our response to Heartbleed
- Stroopwafels as a Service
- Set notification settings per application
- Vastly improve performance for MongoDB, Mongoid and Sidekiq
- Refactoring design
- Error, performance and deploy notifications in Slack
- We now monitor your background jobs
- Realtime graphs from MongoDB with aggregations
- AppSignal API
- Error request tagging
- AppSignal and Shelly Cloud partner up
- Improved graphs and snapshots
- Taming our MongoDB database size.
- AppSignal Sunday
- Poor man's usability testing
- Developers and designers: an arranged marriage.
- Gem version 0.6
- A quick post about reducing MongoDB queries
- User test
- Designing AppSignal
- Opening up shop
- 401: Unauthorized
- Filtering sensitive data from params
- Better graphs, event tree & new hosts section
- jQuery toggle() is slow, JavaScript to the rescue
- Welcome to AppSignal!
$appsignal install
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!