Maintenant

The first public release of Maintenant, a self-discovering infrastructure monitoring tool. Deploy a single binary, point it at your Docker socket or Kubernetes cluster, and let it do the rest.

What's included

Auto-discovery

• Automatic container detection via Docker and Kubernetes labels
• Real-time event streaming — containers appear, disappear, and update without manual config
• Compose project and service grouping out of the box

Monitoring

• Endpoints — HTTP/TCP checks with configurable intervals and failure thresholds
• Heartbeats — Dead man's switch with per-heartbeat deadlines and grace periods
• TLS Certificates — Expiry tracking with auto-detection from HTTPS endpoint checks
• Resources — CPU, memory, and disk usage per container with threshold alerts

Alerting

• Unified alert engine with severity escalation, recovery detection, and silence windows
• Notification channels: webhook, Discord, SMTP
• Orphan alert pruning on startup

Update intelligence

• OCI registry scanning for available image updates
• Semver-aware comparison across all monitored containers

Public status page

• Per-component status derived from live monitor state
• Real-time updates via SSE
• Aggregate status across all monitors of a given type

Operations

• Single binary with embedded Vue SPA — no separate frontend deployment
• SQLite with WAL mode — no external database required
• MCP server support (stdio and Streamable HTTP)
• PWA-ready frontend with offline support
• Multi-arch Docker image (amd64/arm64)
• Enterprise-ready: AGPLv3 licensed with additionnal Pro/Commercial