rename postgres container

cmd/evening_detective_server/main.swagger.json

@@ -0,0 +1,113 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "main.proto",
+    "version": "version not set"
+  },
+  "tags": [
+    {
+      "name": "EveningDetectiveServer"
+    }
+  ],
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {
+    "/api/echo": {
+      "post": {
+        "operationId": "EveningDetectiveServer_Echo",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/evening_detective_serverEchoRsp"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "text",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "EveningDetectiveServer"
+        ]
+      }
+    },
+    "/api/ping": {
+      "get": {
+        "operationId": "EveningDetectiveServer_Ping",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/evening_detective_serverPingRsp"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "tags": [
+          "EveningDetectiveServer"
+        ]
+      }
+    }
+  },
+  "definitions": {
+    "evening_detective_serverEchoRsp": {
+      "type": "object",
+      "properties": {
+        "text": {
+          "type": "string"
+        }
+      }
+    },
+    "evening_detective_serverPingRsp": {
+      "type": "object"
+    },
+    "protobufAny": {
+      "type": "object",
+      "properties": {
+        "@type": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": {}
+    },
+    "rpcStatus": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        },
+        "details": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/protobufAny"
+          }
+        }
+      }
+    }
+  }
+}

docker-compose-db.yml

@@ -1,9 +1,9 @@
 version: '3.8'
 
 services:
-  postgres:
+  postgres_evening_detective_server:
     image: postgres:15
-    container_name: postgres15
+    container_name: postgres_evening_detective_server
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres

proto/main.pb.go

@@ -0,0 +1,254 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.11
+// 	protoc        v7.35.0
+// source: main.proto
+
+package proto
+
+import (
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type PingReq struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *PingReq) Reset() {
+	*x = PingReq{}
+	mi := &file_main_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *PingReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PingReq) ProtoMessage() {}
+
+func (x *PingReq) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PingReq.ProtoReflect.Descriptor instead.
+func (*PingReq) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{0}
+}
+
+type PingRsp struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *PingRsp) Reset() {
+	*x = PingRsp{}
+	mi := &file_main_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *PingRsp) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PingRsp) ProtoMessage() {}
+
+func (x *PingRsp) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PingRsp.ProtoReflect.Descriptor instead.
+func (*PingRsp) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{1}
+}
+
+type EchoReq struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Text          string                 `protobuf:"bytes,1,opt,name=text,proto3" json:"text,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *EchoReq) Reset() {
+	*x = EchoReq{}
+	mi := &file_main_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *EchoReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EchoReq) ProtoMessage() {}
+
+func (x *EchoReq) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EchoReq.ProtoReflect.Descriptor instead.
+func (*EchoReq) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *EchoReq) GetText() string {
+	if x != nil {
+		return x.Text
+	}
+	return ""
+}
+
+type EchoRsp struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Text          string                 `protobuf:"bytes,1,opt,name=text,proto3" json:"text,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *EchoRsp) Reset() {
+	*x = EchoRsp{}
+	mi := &file_main_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *EchoRsp) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EchoRsp) ProtoMessage() {}
+
+func (x *EchoRsp) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EchoRsp.ProtoReflect.Descriptor instead.
+func (*EchoRsp) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *EchoRsp) GetText() string {
+	if x != nil {
+		return x.Text
+	}
+	return ""
+}
+
+var File_main_proto protoreflect.FileDescriptor
+
+const file_main_proto_rawDesc = "" +
+	"\n" +
+	"\n" +
+	"main.proto\x12\x1ecrabs.evening_detective_server\x1a\x1cgoogle/api/annotations.proto\"\t\n" +
+	"\aPingReq\"\t\n" +
+	"\aPingRsp\"\x1d\n" +
+	"\aEchoReq\x12\x12\n" +
+	"\x04text\x18\x01 \x01(\tR\x04text\"\x1d\n" +
+	"\aEchoRsp\x12\x12\n" +
+	"\x04text\x18\x01 \x01(\tR\x04text2\xf2\x01\n" +
+	"\x16EveningDetectiveServer\x12k\n" +
+	"\x04Ping\x12'.crabs.evening_detective_server.PingReq\x1a'.crabs.evening_detective_server.PingRsp\"\x11\x82\xd3\xe4\x93\x02\v\x12\t/api/ping\x12k\n" +
+	"\x04Echo\x12'.crabs.evening_detective_server.EchoReq\x1a'.crabs.evening_detective_server.EchoRsp\"\x11\x82\xd3\xe4\x93\x02\v\"\t/api/echoB\vZ\tpkg/protob\x06proto3"
+
+var (
+	file_main_proto_rawDescOnce sync.Once
+	file_main_proto_rawDescData []byte
+)
+
+func file_main_proto_rawDescGZIP() []byte {
+	file_main_proto_rawDescOnce.Do(func() {
+		file_main_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_main_proto_rawDesc), len(file_main_proto_rawDesc)))
+	})
+	return file_main_proto_rawDescData
+}
+
+var file_main_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_main_proto_goTypes = []any{
+	(*PingReq)(nil), // 0: crabs.evening_detective_server.PingReq
+	(*PingRsp)(nil), // 1: crabs.evening_detective_server.PingRsp
+	(*EchoReq)(nil), // 2: crabs.evening_detective_server.EchoReq
+	(*EchoRsp)(nil), // 3: crabs.evening_detective_server.EchoRsp
+}
+var file_main_proto_depIdxs = []int32{
+	0, // 0: crabs.evening_detective_server.EveningDetectiveServer.Ping:input_type -> crabs.evening_detective_server.PingReq
+	2, // 1: crabs.evening_detective_server.EveningDetectiveServer.Echo:input_type -> crabs.evening_detective_server.EchoReq
+	1, // 2: crabs.evening_detective_server.EveningDetectiveServer.Ping:output_type -> crabs.evening_detective_server.PingRsp
+	3, // 3: crabs.evening_detective_server.EveningDetectiveServer.Echo:output_type -> crabs.evening_detective_server.EchoRsp
+	2, // [2:4] is the sub-list for method output_type
+	0, // [0:2] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_main_proto_init() }
+func file_main_proto_init() {
+	if File_main_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_main_proto_rawDesc), len(file_main_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_main_proto_goTypes,
+		DependencyIndexes: file_main_proto_depIdxs,
+		MessageInfos:      file_main_proto_msgTypes,
+	}.Build()
+	File_main_proto = out.File
+	file_main_proto_goTypes = nil
+	file_main_proto_depIdxs = nil
+}

proto/main.pb.gw.go

@@ -0,0 +1,225 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: main.proto
+
+/*
+Package proto is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package proto
+
+import (
+	"context"
+	"errors"
+	"io"
+	"net/http"
+
+	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
+	"github.com/grpc-ecosystem/grpc-gateway/v2/utilities"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/proto"
+)
+
+// Suppress "imported and not used" errors
+var (
+	_ codes.Code
+	_ io.Reader
+	_ status.Status
+	_ = errors.New
+	_ = runtime.String
+	_ = utilities.NewDoubleArray
+	_ = metadata.Join
+)
+
+func request_EveningDetectiveServer_Ping_0(ctx context.Context, marshaler runtime.Marshaler, client EveningDetectiveServerClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var (
+		protoReq PingReq
+		metadata runtime.ServerMetadata
+	)
+	if req.Body != nil {
+		_, _ = io.Copy(io.Discard, req.Body)
+	}
+	msg, err := client.Ping(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+}
+
+func local_request_EveningDetectiveServer_Ping_0(ctx context.Context, marshaler runtime.Marshaler, server EveningDetectiveServerServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var (
+		protoReq PingReq
+		metadata runtime.ServerMetadata
+	)
+	msg, err := server.Ping(ctx, &protoReq)
+	return msg, metadata, err
+}
+
+var filter_EveningDetectiveServer_Echo_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+
+func request_EveningDetectiveServer_Echo_0(ctx context.Context, marshaler runtime.Marshaler, client EveningDetectiveServerClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var (
+		protoReq EchoReq
+		metadata runtime.ServerMetadata
+	)
+	if req.Body != nil {
+		_, _ = io.Copy(io.Discard, req.Body)
+	}
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_EveningDetectiveServer_Echo_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	msg, err := client.Echo(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+}
+
+func local_request_EveningDetectiveServer_Echo_0(ctx context.Context, marshaler runtime.Marshaler, server EveningDetectiveServerServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var (
+		protoReq EchoReq
+		metadata runtime.ServerMetadata
+	)
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_EveningDetectiveServer_Echo_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	msg, err := server.Echo(ctx, &protoReq)
+	return msg, metadata, err
+}
+
+// RegisterEveningDetectiveServerHandlerServer registers the http handlers for service EveningDetectiveServer to "mux".
+// UnaryRPC     :call EveningDetectiveServerServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterEveningDetectiveServerHandlerFromEndpoint instead.
+// GRPC interceptors will not work for this type of registration. To use interceptors, you must use the "runtime.WithMiddlewares" option in the "runtime.NewServeMux" call.
+func RegisterEveningDetectiveServerHandlerServer(ctx context.Context, mux *runtime.ServeMux, server EveningDetectiveServerServer) error {
+	mux.Handle(http.MethodGet, pattern_EveningDetectiveServer_Ping_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		annotatedContext, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.evening_detective_server.EveningDetectiveServer/Ping", runtime.WithHTTPPathPattern("/api/ping"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_EveningDetectiveServer_Ping_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		forward_EveningDetectiveServer_Ping_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+	})
+	mux.Handle(http.MethodPost, pattern_EveningDetectiveServer_Echo_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		annotatedContext, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.evening_detective_server.EveningDetectiveServer/Echo", runtime.WithHTTPPathPattern("/api/echo"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_EveningDetectiveServer_Echo_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		forward_EveningDetectiveServer_Echo_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+	})
+
+	return nil
+}
+
+// RegisterEveningDetectiveServerHandlerFromEndpoint is same as RegisterEveningDetectiveServerHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterEveningDetectiveServerHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.NewClient(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Errorf("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Errorf("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+	return RegisterEveningDetectiveServerHandler(ctx, mux, conn)
+}
+
+// RegisterEveningDetectiveServerHandler registers the http handlers for service EveningDetectiveServer to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterEveningDetectiveServerHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterEveningDetectiveServerHandlerClient(ctx, mux, NewEveningDetectiveServerClient(conn))
+}
+
+// RegisterEveningDetectiveServerHandlerClient registers the http handlers for service EveningDetectiveServer
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "EveningDetectiveServerClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "EveningDetectiveServerClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "EveningDetectiveServerClient" to call the correct interceptors. This client ignores the HTTP middlewares.
+func RegisterEveningDetectiveServerHandlerClient(ctx context.Context, mux *runtime.ServeMux, client EveningDetectiveServerClient) error {
+	mux.Handle(http.MethodGet, pattern_EveningDetectiveServer_Ping_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		annotatedContext, err := runtime.AnnotateContext(ctx, mux, req, "/crabs.evening_detective_server.EveningDetectiveServer/Ping", runtime.WithHTTPPathPattern("/api/ping"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_EveningDetectiveServer_Ping_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		forward_EveningDetectiveServer_Ping_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+	})
+	mux.Handle(http.MethodPost, pattern_EveningDetectiveServer_Echo_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		annotatedContext, err := runtime.AnnotateContext(ctx, mux, req, "/crabs.evening_detective_server.EveningDetectiveServer/Echo", runtime.WithHTTPPathPattern("/api/echo"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_EveningDetectiveServer_Echo_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		forward_EveningDetectiveServer_Echo_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+	})
+	return nil
+}
+
+var (
+	pattern_EveningDetectiveServer_Ping_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1}, []string{"api", "ping"}, ""))
+	pattern_EveningDetectiveServer_Echo_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1}, []string{"api", "echo"}, ""))
+)
+
+var (
+	forward_EveningDetectiveServer_Ping_0 = runtime.ForwardResponseMessage
+	forward_EveningDetectiveServer_Echo_0 = runtime.ForwardResponseMessage
+)

proto/main_grpc.pb.go

@@ -0,0 +1,160 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.2
+// - protoc             v7.35.0
+// source: main.proto
+
+package proto
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	EveningDetectiveServer_Ping_FullMethodName = "/crabs.evening_detective_server.EveningDetectiveServer/Ping"
+	EveningDetectiveServer_Echo_FullMethodName = "/crabs.evening_detective_server.EveningDetectiveServer/Echo"
+)
+
+// EveningDetectiveServerClient is the client API for EveningDetectiveServer service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type EveningDetectiveServerClient interface {
+	Ping(ctx context.Context, in *PingReq, opts ...grpc.CallOption) (*PingRsp, error)
+	Echo(ctx context.Context, in *EchoReq, opts ...grpc.CallOption) (*EchoRsp, error)
+}
+
+type eveningDetectiveServerClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewEveningDetectiveServerClient(cc grpc.ClientConnInterface) EveningDetectiveServerClient {
+	return &eveningDetectiveServerClient{cc}
+}
+
+func (c *eveningDetectiveServerClient) Ping(ctx context.Context, in *PingReq, opts ...grpc.CallOption) (*PingRsp, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PingRsp)
+	err := c.cc.Invoke(ctx, EveningDetectiveServer_Ping_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *eveningDetectiveServerClient) Echo(ctx context.Context, in *EchoReq, opts ...grpc.CallOption) (*EchoRsp, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(EchoRsp)
+	err := c.cc.Invoke(ctx, EveningDetectiveServer_Echo_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// EveningDetectiveServerServer is the server API for EveningDetectiveServer service.
+// All implementations must embed UnimplementedEveningDetectiveServerServer
+// for forward compatibility.
+type EveningDetectiveServerServer interface {
+	Ping(context.Context, *PingReq) (*PingRsp, error)
+	Echo(context.Context, *EchoReq) (*EchoRsp, error)
+	mustEmbedUnimplementedEveningDetectiveServerServer()
+}
+
+// UnimplementedEveningDetectiveServerServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedEveningDetectiveServerServer struct{}
+
+func (UnimplementedEveningDetectiveServerServer) Ping(context.Context, *PingReq) (*PingRsp, error) {
+	return nil, status.Error(codes.Unimplemented, "method Ping not implemented")
+}
+func (UnimplementedEveningDetectiveServerServer) Echo(context.Context, *EchoReq) (*EchoRsp, error) {
+	return nil, status.Error(codes.Unimplemented, "method Echo not implemented")
+}
+func (UnimplementedEveningDetectiveServerServer) mustEmbedUnimplementedEveningDetectiveServerServer() {
+}
+func (UnimplementedEveningDetectiveServerServer) testEmbeddedByValue() {}
+
+// UnsafeEveningDetectiveServerServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to EveningDetectiveServerServer will
+// result in compilation errors.
+type UnsafeEveningDetectiveServerServer interface {
+	mustEmbedUnimplementedEveningDetectiveServerServer()
+}
+
+func RegisterEveningDetectiveServerServer(s grpc.ServiceRegistrar, srv EveningDetectiveServerServer) {
+	// If the following call panics, it indicates UnimplementedEveningDetectiveServerServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&EveningDetectiveServer_ServiceDesc, srv)
+}
+
+func _EveningDetectiveServer_Ping_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PingReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(EveningDetectiveServerServer).Ping(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: EveningDetectiveServer_Ping_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(EveningDetectiveServerServer).Ping(ctx, req.(*PingReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _EveningDetectiveServer_Echo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(EchoReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(EveningDetectiveServerServer).Echo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: EveningDetectiveServer_Echo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(EveningDetectiveServerServer).Echo(ctx, req.(*EchoReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// EveningDetectiveServer_ServiceDesc is the grpc.ServiceDesc for EveningDetectiveServer service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var EveningDetectiveServer_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "crabs.evening_detective_server.EveningDetectiveServer",
+	HandlerType: (*EveningDetectiveServerServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Ping",
+			Handler:    _EveningDetectiveServer_Ping_Handler,
+		},
+		{
+			MethodName: "Echo",
+			Handler:    _EveningDetectiveServer_Echo_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "main.proto",
+}