# Gateway 按本地 Active + Reserved 选择剩余容量最高的 Proxy。
version: 1
security: {requireProtectionOnPublicListen: true}
gateway:
  enabled: true
  listen: 127.0.0.1:8080
  auth: {mode: none}
  limits: {maxConcurrentConnections: 100000}
routing:
  - name: least-connections
    enabled: true
    purpose: gateway
    match: {hostRegex: '.*'}
    upstreams: [provider-a]
    strategy: {type: leastConnections}
    onUnavailable: {action: reject}
upstreams:
  provider-a:
    enabled: true
    exposure: [gateway]
    provider: {billingMode: subscription, protocols: [http, https]}
    api: {url: https://provider-a.example/proxies, method: GET, auth: {type: none}, template: '{{.}}'}
    proxyAuth: {type: response}
    pool: {maxSize: 10000}
    capacity: {maxConcurrencyPerProxy: 50}
    refill: {reconcileInterval: 1s, minimumAvailableSlots: 25, targetAvailableSlots: 50}
    lifecycle: {ttl: 5m, allocationSafetyMargin: 30s}
    fetch: {estimatedIPsPerCall: 10, requestInterval: 1s, timeout: 3s, maxAttempts: 3, maxInFlight: 1}
    check: {interval: 30s, jitter: 20, maxInFlight: 500, timeout: 2s, maxAttempts: 2, maxConsecutiveFailures: 3}