Configuration Reference¶

Complete reference for all configuration options.

Environment Variables¶

Server¶

Variable	Default	Description
`PORT`	`8080`	HTTP server port
`HOST`	`0.0.0.0`	Server bind address
`API_KEY`	-	API authentication key

Database¶

Variable	Default	Description
`DATABASE_URL`	-	PostgreSQL connection string
`DB_MAX_CONNECTIONS`	`25`	Maximum pool connections
`DB_MAX_IDLE`	`5`	Maximum idle connections

Redis¶

Variable	Default	Description
`REDIS_URL`	-	Redis connection string
`REDIS_MAX_RETRIES`	`3`	Connection retry attempts

Polling¶

Variable	Default	Description
`POLL_INTERVAL`	`5m`	Registry poll interval
`POLL_TIMEOUT`	`30s`	Request timeout

Logging¶

Variable	Default	Description
`LOG_LEVEL`	`info`	Log level (debug, info, warn, error)
`LOG_FORMAT`	`json`	Log format (json, text)

Metrics¶

Variable	Default	Description
`METRICS_ENABLED`	`true`	Enable Prometheus metrics
`METRICS_PATH`	`/metrics`	Metrics endpoint path

Configuration File¶

You can also use a YAML configuration file:

YAML

# config.yaml
server:
  port: 8080
  host: 0.0.0.0

database:
  url: postgres://user:pass@localhost:5432/mcp_notify
  max_connections: 25
  max_idle: 5

redis:
  url: redis://localhost:6379
  max_retries: 3

poller:
  interval: 5m
  timeout: 30s

log:
  level: info
  format: json

metrics:
  enabled: true
  path: /metrics

Load with:

Bash

mcp-notify --config config.yaml

Priority¶

Configuration is loaded in this order (later overrides earlier):

Default values
Configuration file
Environment variables
Command-line flags