envoy.yaml

admin:
  address:
    socket_address: {address: 0.0.0.0, port_value: 9901}

static_resources:
  listeners:
    - name: listener1
      address:
        socket_address: {address: 0.0.0.0, port_value: 51051}
      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: grpc_json
                codec_type: AUTO
                route_config:
                  name: local_route
                  virtual_hosts:
                    - name: local_service
                      domains: ["*"]
                      routes:
                        # NOTE: by default, matching happens based on the gRPC route, and not on the incoming request path.
                        # Reference: https://envoyproxy.io/docs/envoy/latest/configuration/http/http_filters/grpc_json_transcoder_filter#route-configs-for-transcoded-requests
                        - match: {prefix: "/proto.store.service.StoreService"}
                          route: {cluster: grpc, timeout: 60s}
                http_filters:
                  - name: envoy.filters.http.grpc_json_transcoder
                    typed_config:
                      "@type": type.googleapis.com/envoy.extensions.filters.http.grpc_json_transcoder.v3.GrpcJsonTranscoder
                      proto_descriptor: "build/generated/source/proto/main/descriptor_set.desc"
                      services: ["proto.store.service.StoreService"]
                      print_options:
                        add_whitespace: true
                        always_print_primitive_fields: true
                        always_print_enums_as_ints: false
                        preserve_proto_field_names: false
                  - name: envoy.filters.http.router
                    typed_config:
                      "@type": type.googleapis.com/envoy.extensions.filters.http.router.v3.Router

  clusters:
    - name: grpc
      type: LOGICAL_DNS
      lb_policy: ROUND_ROBIN
      dns_lookup_family: V4_ONLY
      typed_extension_protocol_options:
        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
          explicit_http_config:
            http2_protocol_options: {}
      load_assignment:
        cluster_name: grpc
        endpoints:
          - lb_endpoints:
              - endpoint:
                  address:
                    socket_address:
                      # WARNING: "docker.for.mac.localhost" has been deprecated from Docker v18.03.0.
                      # If you're running an older version of Docker, please use "docker.for.mac.localhost" instead.
                      # Reference: https://docs.docker.com/docker-for-mac/release-notes/#docker-community-edition-18030-ce-mac59-2018-03-26
                      address: store-service
                      port_value: 50051