TDvorak/Dash

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Tomas DvorakandDevin a89a81d46c docs+release: Phase 4 launch artifacts

README hero with real screenshots, install/config/widget docs, goreleaser
for dash + dash-agent, GHCR release workflow, changelog, community files,
agent systemd unit and Dockerfile, version stamping via -X main.version.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

2026-09-21 19:39:21 +02:00

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Configuration

Dash is configured from the UI. The only environment the server understands:

Variable	Default	Purpose
`DASH_PORT`	`8080` (`3000` in Docker)	listen port
`DASH_DATA_DIR`	`./data` (`/data` in Docker)	SQLite + uploaded icons
`DASH_DEV`	unset	`1` = dev mode: API only, no embedded UI

Data directory

data/
  dash.db        # SQLite — boards, monitors, domains, systems, ops
  icons/         # uploaded service icons

Back up the directory to back up everything. /api/export produces a JSON snapshot; /api/import/csv bulk-loads monitors and domains from CSV.

Notifications

Settings → Notifications holds one generic webhook URL (notify_webhook). On monitor up/down transitions and domain events, Dash POSTs a JSON payload with event, name, text, content, message, and at fields — shaped so Slack, Discord, and ntfy all render it sensibly. Test sends a test event. Delivery is async and non-fatal; failures are logged.

Monitors

HTTP(s), TCP, ping (ICMP), DNS, keyword, JSON-path, and push types. Per-monitor interval, timeout, retries, headers/method/body, expected values, tags, and notes. Push monitors expose POST /api/push/:token for cron-style jobs — the monitor goes down if no push arrives within the expected window.

Domains

WHOIS (RDAP first, TCP WHOIS fallback), DNS records, TLS certificate chain, and provider detection run daily and on demand. Expiry and certificate deadlines surface in the UI and through notifications.

Systems

Bearer-token push ingest at POST /api/systems/ingest. A system is marked offline when no sample arrives within a few intervals. Stats are pruned during the hourly sweep.

Operations

Incidents — open/ack/resolve/close, with per-incident update timeline. A monitor going down opens an incident automatically; recovery resolves it.
Maintenance windows — suppress monitor alerts for the window's scope.
Status pages — public, unauthenticated views at /status/:slug listing selected monitors and systems with live state.
Badges — GET /api/badge/monitor/:id.svg and GET /api/badge/domain/:id.svg for embedding status shields.
Metrics — GET /api/metrics in Prometheus exposition format.

Importers

Settings → Import accepts:

Dash JSON export (full board restore)
Homepage services.yml
Homarr board JSON
Dashy conf.yml
CSV of monitors/domains (/api/import/csv)

Foreign formats map onto sections, items, and URLs; unknown fields are dropped.

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