Minimal envoy config with static endpoints

envoy-static.yaml

static_resources:
  listeners:
  - name: http
    address:
      socket_address: { address: 0.0.0.0, port_value: 8080 }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: svc
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service
              domains: ["*"]
              routes:
              - match: { prefix: "/" }
                route: { cluster: service }
          http_filters:
          - name: envoy.filters.http.router

  clusters:
  - name: service
    connect_timeout: 0.2s
    type: static
    lb_policy: random
    common_lb_config:
      healthy_panic_threshold:
        value: 0  # disable panic mode (instead 503 when no endpoints are healthy)

    health_checks:
    - timeout: 1s
      interval: 2s
      unhealthy_threshold: 2
      healthy_threshold: 1
      http_health_check:
        path: "/"

    load_assignment:
      cluster_name: service
      endpoints:
      - lb_endpoints:
        - endpoint: { address: { socket_address: { address: 127.0.0.1, port_value: 8081 }}}
        - endpoint: { address: { socket_address: { address: 127.0.0.1, port_value: 8082 }}}
        - endpoint: { address: { socket_address: { address: 127.0.0.1, port_value: 8083 }}}