envoy.yaml

static_resources:
  listeners:
  - name: listener_0
    address:
      socket_address: { address: 0.0.0.0, port_value: 8080 }
    filter_chains:
    - filters:
      - name: envoy.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:

            - name: local_service
              domains: ["*"]
              routes:

              - match:
                  prefix: "/"
                route:
                  cluster: service_example
                  retry_policy:
                    retry_on: "5xx"
                    num_retries: 10
                    per_try_timeout: 2s

          http_filters:
          - name: envoy.router
            config: {}

  clusters:
  - name: service_example
    connect_timeout: 1s
    type: STRICT_DNS
    lb_policy: ROUND_ROBIN

    # Circuit Breaker Examples
    circuit_breakers:
      thresholds:
        max_connections: 1
        max_pending_requests: 1
        max_requests: 1
        max_retries: 2

    hosts:
    - socket_address:
        address: service_example
        port_value: 8080
    - socket_address:
        address: service_example_fail
        port_value: 8080