Health check management with continuous monitoring.

nself health [subcommand] [flags]

nself health runs health checks against running ɳSelf services and HTTP endpoints. Running nself health without a subcommand executes all health checks, the same as nself health check.

Each service is checked using its native health method: pg_isready for PostgreSQL, HTTP /healthz for Hasura and Auth, PING for Redis, and /health for Nginx. Response times are shown alongside the health status.

The watch subcommand provides continuous monitoring, it re-runs all checks every --interval seconds until you press Ctrl+C. Use --quiet to suppress output when all services are healthy and only print on failure, suitable for monitoring scripts.

# Run all health checks
nself health
nself health check

# Check a single service
nself health service postgres
nself health service hasura

# Check an HTTP endpoint
nself health endpoint https://api.myapp.dev/health

# Continuous monitoring every 5 seconds
nself health watch --interval 5

# Monitor silently — only print on failure
nself health watch --quiet

# Show last 20 health check results
nself health history

# Show health check configuration
nself health config

# JSON output for monitoring integrations
nself health --json

Sample output:

Service              Status       Time     Details
postgres             ✓ healthy    3ms      pg_isready
hasura               ✓ healthy    45ms     /healthz 200
auth                 ✓ healthy    52ms     /healthz 200
nginx                ✓ healthy    8ms      /health 200

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