# Google OAuth2 credentials
GOOGLE_CLIENT_ID=your_client_id
GOOGLE_CLIENT_SECRET=your_client_secret
GOOGLE_REDIRECT_URI=http://localhost:4153/oauth2callback
# Authentication server settings
AUTH_PORT=4153
AUTH_HOST=localhost
# Manual authentication mode (enable when using on remote servers or containers)
# Server settings (not used when using STDIO transport)
PORT=3000
HOST=localhost
# Log level (debug, info, warn, error)
LOG_LEVEL=info
# Token encryption key (optional)
# If not set, it will be automatically generated and saved to ~/.google-calendar-mcp/encryption-key.txt
# Set only if you want to control the encryption key in shared environments
# How to generate: node -e "console.log(require('crypto').randomBytes(32).toString('hex'))"
# TOKEN_ENCRYPTION_KEY=your_64_char_hex_string_here
