
How to Set Up Your Monitoring System Alerts
Learn how to set up effective monitoring system alerts in AppSignal to ensure you never miss a critical issue.
AppSignal APM combines performance monitoring and error tracking in one clear interface. For Ruby (on Rails), Elixir, Node.js, PHP, Java and Python.

Learn how to set up effective monitoring system alerts in AppSignal to ensure you never miss a critical issue.

Monitoring Express route performance involves identifying slow endpoints, understanding request behavior, and correlating latency with errors or slow queries. Learn how to set up AppSignal for Express and analyze route performance.

Learn how to use AppSignal to identify and fix slow Ecto queries in your Elixir applications.

Discover the key metrics to monitor in your vibe-coded app to ensure optimal performance and prevent unexpected issues.

Learn how to monitor your application effectively without the operational overhead of managing your own Prometheus stack.

AppSignal now offers a public MCP endpoint, so AI agents like Claude and AI code editors like Cursor and Windsurf can access your monitoring data without running a Docker container.

Learn how to use AppSignal to get deep, actionable visibility into your Node.js app on Fly.io.

We'll unpack how to detect invisible failures, trace signal lifecycles, and introduce lightweight instrumentation patterns in Angular Signals.

Discover why AppSignal is essential for monitoring modern hosting platforms and how it can level up your infrastructure management.

Learn how to integrate AppSignal's MCP Server with Zed AI to access monitoring data directly in your editor and supercharge your development workflow.

AppSignal's upgraded log query language and redesigned logging UI make it easier than ever to zero in on production errors in seconds, without fighting your tooling.

If you’ve been on the fence about trying the Ash Framework, this post is for you.
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!
