Обновить internal/app/server.go

.vscode/launch.json

@@ -9,11 +9,11 @@
             "type": "go",
             "request": "launch",
             "mode": "debug",
-            "program": "${workspaceFolder}/cmd/${REPO_NAME_SNAKE}",
+            "program": "${${workspaceFolder}}/cmd/${REPO_NAME_SNAKE}",
             "args": [
                 "--local"
             ],
-            "cwd": "${workspaceFolder}",
+            "cwd": "${${workspaceFolder}}",
             "buildFlags": "-tags local"
         },
         {
@@ -21,11 +21,11 @@
             "type": "go",
             "request": "launch",
             "mode": "debug",
-            "program": "${workspaceFolder}/cmd/${REPO_NAME_SNAKE}",
+            "program": "${${workspaceFolder}}/cmd/${REPO_NAME_SNAKE}",
             "args": [
                 "--local"
             ],
-            "cwd": "${workspaceFolder}",
+            "cwd": "${${workspaceFolder}}",
             "buildFlags": "-tags local"
         }
     ]

Makefile

@@ -6,7 +6,7 @@ generate:
       --go_out ./proto --go_opt paths=source_relative \
       --go-grpc_out ./proto --go-grpc_opt paths=source_relative \
       --grpc-gateway_out ./proto --grpc-gateway_opt paths=source_relative,generate_unbound_methods=true \
-      --openapiv2_out ./proto --openapiv2_opt allow_merge=true,merge_file_name=main \
+      --openapiv2_out=./cmd/${REPO_NAME_SNAKE} --openapiv2_opt allow_merge=true,merge_file_name=main \
       ./api/main.proto
 
 run:

README.md

@@ -1,6 +1,7 @@
 # template
 
 Шалон для Go сервисов (имя репо должно быть snake case)
+Методы http должны быть с префиксом /api
 
 Инициализация
 

api/main.proto

@@ -9,7 +9,12 @@ option go_package = "pkg/proto";
 service ${REPO_NAME_PASCAL} {
   rpc Ping(PingReq) returns (PingRsp) {
     option (google.api.http) = {
-      get: "/ping"
+      get: "/api/ping"
+    };
+  }
+  rpc Echo(EchoReq) returns (EchoRsp) {
+    option (google.api.http) = {
+      post: "/api/echo"
     };
   }
 }
@@ -17,3 +22,11 @@ service ${REPO_NAME_PASCAL} {
 message PingReq {}
 
 message PingRsp {}
+
+message EchoReq {
+  string text = 1;
+}
+
+message EchoRsp {
+  string text = 1;
+}

cmd/${REPO_NAME_SNAKE}/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	_ "embed"
 	"log"
 	"net"
 	"net/http"
@@ -14,17 +15,24 @@ import (
 	"github.com/joho/godotenv"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
+
+	"github.com/swaggest/swgui/v5emb"
 )
 
+//go:embed main.swagger.json
+var swaggerJSON []byte
+
 func main() {
 	_ = godotenv.Load()
 
+	// PostgreSQL
 	dbpool, err := pgxpool.New(context.Background(), os.Getenv("DATABASE_URL"))
 	if err != nil {
 		log.Fatalf("Unable to create connection pool: %v\n", err)
 	}
 	defer dbpool.Close()
 
+	// Test request to DB
 	var greeting string
 	if err = dbpool.QueryRow(context.Background(), "select 'Hello, world!'").Scan(&greeting); err != nil {
 		log.Fatalf("QueryRow failed: %v\n", err)
@@ -63,11 +71,22 @@ func main() {
 		log.Fatalln("Failed to register gateway:", err)
 	}
 
+	mainMux := http.NewServeMux()
+
+	docsHandler := v5emb.New("API", "/swagger/doc.json", "/docs/")
+	mainMux.Handle("/docs/", docsHandler)
+	mainMux.HandleFunc("/swagger/doc.json", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.Write(swaggerJSON)
+	})
+	mainMux.Handle("/api/", gwmux)
+
 	gwServer := &http.Server{
 		Addr:    ":8090",
-		Handler: gwmux,
+		Handler: mainMux,
 	}
 
 	log.Println("Serving gRPC-Gateway on http://0.0.0.0:8090")
+	log.Println("Serving docs on http://0.0.0.0:8090/docs")
 	log.Fatalln(gwServer.ListenAndServe())
 }

go.mod

@@ -9,12 +9,15 @@ require (
 	google.golang.org/protobuf v1.34.1
 )
 
+require github.com/vearutop/statigz v1.4.0 // indirect
+
 require (
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgx/v5 v5.10.0 // indirect
+	github.com/jackc/pgx/v5 v5.10.0
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/joho/godotenv v1.5.1
+	github.com/swaggest/swgui v1.8.8
 	golang.org/x/net v0.23.0 // indirect
 	golang.org/x/sync v0.17.0 // indirect
 	golang.org/x/sys v0.18.0 // indirect

internal/app/server.go

@@ -1,18 +1,22 @@
 package app
 
 import (
-	proto "${REPO_NAME_SNAKE}/proto"
 	"context"
+	proto "${REPO_NAME_SNAKE}/proto"
 )
 
-type Server struct {
-	proto.Unimplemented${REPO_NAME_PASCAL}Server
+type server struct {
+	proto.Unsafe${REPO_NAME_PASCAL}Server
 }
 
-func NewServer() *Server {
-	return &Server{}
+func NewServer() proto.${REPO_NAME_PASCAL}Server {
+	return &server{}
 }
 
-func (s *Server) Ping(_ context.Context, _ *proto.PingReq) (*proto.PingRsp, error) {
+func (s *server) Ping(_ context.Context, _ *proto.PingReq) (*proto.PingRsp, error) {
 	return &proto.PingRsp{}, nil
 }
+
+func (s *server) Echo(_ context.Context, req *proto.EchoReq) (*proto.EchoRsp, error) {
+	return &proto.EchoRsp{Text: req.Text}, nil
+}