{
  "_comment_config": "OpenAccounting Server Configuration - now supports Viper for multiple config sources",
  "_comment_viper": "You can override any setting with environment variables using OA_ prefix (e.g., OA_PASSWORD, OA_MAILGUN_KEY)",
  
  "WebUrl": "https://domain.com",
  "Address": "localhost",
  "Port": 8080,
  "ApiPrefix": "/api/v1",
  "KeyFile": "",
  "CertFile": "",
  
  "_comment_database": "Database configuration - choose 'sqlite' for local testing or 'mysql' for production",
  "DatabaseDriver": "sqlite",
  "DatabaseFile": "./data/openaccounting.db",
  "DatabaseAddress": "localhost:3306",
  "Database": "openaccounting",
  "User": "openaccounting",
  "Password": "",
  "_comment_password": "SECURITY: Set password via OA_PASSWORD environment variable instead of this file",
  
  "_comment_mailgun": "Mailgun configuration for email sending",
  "MailgunDomain": "mg.domain.com",
  "MailgunKey": "",
  "_comment_mailgun_key": "SECURITY: Set Mailgun key via OA_MAILGUN_KEY environment variable",
  "MailgunEmail": "noreply@domain.com",
  "MailgunSender": "Sender",
  
  "_comment_env_examples": "Environment variable examples:",
  "_example_development": "OA_DATABASE_DRIVER=sqlite OA_DATABASE_FILE=./dev.db ./server",
  "_example_production": "OA_DATABASE_DRIVER=mysql OA_PASSWORD=secret OA_MAILGUN_KEY=key-123 ./server"
}