Upright

lastmod 2026-03-27created 2026-03-271 edits

Synthetic monitoring engine using Playwright and Prometheus metrics

About

• Framework for continuously monitoring the availability & performance of web services
• Runs automated Probes from multiple geographic locations and collects Prometheus-based metrics
  • Playwright Probes: browser-based user flow tests. Includes video recording and logs
  • HTTP Probes: simple status-code-based web health checks
  • SMTP Probes: verifies the EHLO handshake of mail servers
  • Traceroute Probes: traces the network path and per-hop latency
• Multi-site support lets probes run distributed across regional nodes, and per-region scheduling keeps monitoring intervals even
• Observability: Prometheus metrics, OpenTelemetry tracing, Prometheus AlertManager integration
• Easy multi-node operation with a Docker-based deployment environment and Kamal configuration files
• Supports various authentication providers through OmniAuth and OIDC authentication integration
• MIT license

See also

• Playwright
• Prometheus

Favorite site

• Github - basecamp/upright
• Upright - Synthetic monitoring using Playwright and Prometheus metrics | GeekNews