Best of Monitoring — December 2025

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    Article
    Avatar of phProduct Hunt·24w

    Console.text(): SMS alerts for your code just like console.log()

    Console.text() is a lightweight monitoring tool that sends SMS alerts when specific code paths execute. It requires just one line of code (npm package installation) and offers a simpler alternative to enterprise solutions like Sentry or PagerDuty. The service provides 50 free messages for testing with rate limiting of 10 unique messages per 5-minute window, targeting solo developers and small projects that need basic production alerts without complex setup.

  2. 2
    Article
    Avatar of platformaticPlatformatic·23w

    Node.js CPU and Heap Profiling with Shareable Flame Graphs

    Watt Admin 1.0.0 introduces Recording Mode for Node.js applications running on Platformatic Watt. The feature enables capturing complete performance sessions with CPU and heap profiling, generating interactive flame graphs, and packaging everything into a single offline HTML file. It collects comprehensive metrics including memory usage, CPU utilization, event loop health, HTTP performance, and connection pool statistics. Developers can record sessions during specific scenarios, analyze bottlenecks through flame graphs, and share the self-contained HTML bundles with team members without requiring any setup. The tool uses V8's built-in profilers and stores data in pprof format for industry-standard analysis.

  3. 3
    Article
    Avatar of selfhostedselfhosted·23w

    Monitoring a Docker Homelab with Open Source

    A detailed guide for setting up observability in a Docker-based homelab using Coroot, an open-source monitoring solution. The tutorial covers installing Clickhouse as a local service for storing metrics, logs, traces, and profiles, then configuring Coroot with its node-agent and cluster-agent via Docker Compose. The setup uses eBPF for automatic metric collection, includes AI-powered root cause analysis, and provides configuration optimizations for memory usage and data retention (14 days). The guide offers an alternative to traditional Prometheus/Grafana stacks with less configuration overhead.

  4. 4
    Article
    Avatar of notedNoted·21w

    Dockhand - The Ultimate Self-Hosted Docker Management Tool

    Dockhand is a self-hosted Docker management platform offering comprehensive container lifecycle control, compose stack deployment, real-time monitoring, and vulnerability scanning. Features include Git integration for automated deployments, remote host connectivity via HTTP/HTTPS or the Hawser agent (supporting NAT traversal), file browsing, terminal access, and flexible notifications. Supports both SQLite and PostgreSQL databases. The free edition includes local authentication, SSO/OIDC, and MFA, while the enterprise edition adds RBAC, LDAP, and audit logging. Released under Business Source License 1.1 with full source code available on GitHub.

  5. 5
    Article
    Avatar of last9Last9·21w

    Why High-Cardinality Metrics Break Everything

    High-cardinality metrics promise granular per-request, per-user insights but quietly break production systems in four ways: costs become unpredictable and scale with runtime behavior rather than configuration; queries slow down during incidents when speed matters most; engineers lose trust as sparse, short-lived series create flickering dashboards and inconsistent results; and teams over-instrument without intent, creating multiplicative cardinality explosion. The core issue isn't that high-cardinality is wrong, but that most observability systems don't surface their own limits around storage, indexing, query performance, and data ambiguity. Success requires treating high-cardinality metrics like APIs with explicit ownership, guardrails, pre-deployment cardinality estimation, and systems designed for interactive exploration under pressure rather than brute-force scans.

  6. 6
    Article
    Avatar of postgresPostgreSQL·21w

    pgSCV 0.15.1 released!

    pgSCV 0.15.1 is now available, a Prometheus-compatible monitoring agent and metrics exporter for PostgreSQL environments. This release includes new functionality and bug fixes between versions 0.15.0 and 0.15.1, though specific features aren't detailed in the announcement. The tool aims to provide a unified solution for collecting metrics from PostgreSQL and related services.

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