add service_url field to shortlinks config

cmd/shortlinks/conf.yml

@@ -1,3 +1,4 @@
+service_url: http://localhost:8081
 http_port: 8081
 grpc_port: 8082
 postgres_url: "postgres://postgres:postgres@localhost:5432/postgres"

cmd/shortlinks/config.go

@@ -3,6 +3,7 @@ package main
 import "backend/pkg/config"
 
 type IConfig interface {
+	GetServiceUrl() string
 	GetHttpPort() uint16
 	GetGrpcPort() uint16
 	GetPostgresUrl() string
@@ -13,11 +14,16 @@ func LoadConfig(filePath string) (IConfig, error) {
 }
 
 type Config struct {
+	ServiceUrl  string `yaml:"service_url" validate:"required"`
 	HttpPort    uint16 `yaml:"http_port" validate:"required"`
 	GrpcPort    uint16 `yaml:"grpc_port" validate:"required"`
 	PostgresUrl string `yaml:"postgres_url" validate:"required"`
 }
 
+func (c *Config) GetServiceUrl() string {
+	return c.ServiceUrl
+}
+
 func (c *Config) GetHttpPort() uint16 {
 	return c.HttpPort
 }

cmd/shortlinks/grpc.go

@@ -10,7 +10,7 @@ import (
 
 func NewShortlinksGrpc(log logger.Logger, shortlinkService services.ShortlinkService, host string) *ShortlinksGrpc {
 	return &ShortlinksGrpc{
-		handler: NewCreateHandler(log, shortlinkService, host),
+		handler: NewShortlinkCreateHandler(log, shortlinkService, host),
 	}
 }
 

cmd/shortlinks/handlers.go

@@ -19,10 +19,10 @@ type shortlinkCreateOutput struct {
 	Link string `json:"link"`
 }
 
-func NewCreateHandler(
+func NewShortlinkCreateHandler(
 	log logger.Logger,
 	shortlinkService services.ShortlinkService,
-	host string,
+	serviceUrl string,
 ) httpserver.Handler[shortlinkCreateInput, shortlinkCreateOutput] {
 	return func(ctx context.Context, input shortlinkCreateInput) (shortlinkCreateOutput, error) {
 		output := shortlinkCreateOutput{}
@@ -39,13 +39,17 @@ func NewCreateHandler(
 		}
 
 		return shortlinkCreateOutput{
-			Link: fmt.Sprintf("%s/s/%s", host, linkId),
+			Link: fmt.Sprintf("%s/s/%s", serviceUrl, linkId),
 		}, nil
 	}
 }
 
-func NewShortlinkCreateHandler(log logger.Logger, shortlinkService services.ShortlinkService, host string) gin.HandlerFunc {
-	return httpserver.WrapGin(log, NewCreateHandler(log, shortlinkService, host))
+func NewShortlinkCreateGinHandler(
+	log logger.Logger,
+	shortlinkService services.ShortlinkService,
+	serviceUrl string,
+) gin.HandlerFunc {
+	return httpserver.WrapGin(log, NewShortlinkCreateHandler(log, shortlinkService, serviceUrl))
 }
 
 func NewShortlinkResolveHandler(logger logger.Logger, shortlinkService services.ShortlinkService) gin.HandlerFunc {

cmd/shortlinks/main.go

@@ -10,7 +10,6 @@ import (
 	"backend/pkg/cache"
 	"backend/pkg/logger"
 	"context"
-	"fmt"
 	"sync"
 
 	"github.com/gin-gonic/gin"
@@ -79,7 +78,6 @@ func main() {
 }
 
 func RunServer(ctx context.Context, log logger.Logger, tracer trace.Tracer, conf IConfig, shortlinkService services.ShortlinkService) {
-	host := fmt.Sprintf("http://localhost:%d", conf.GetHttpPort())
 	debugMode := true
 	if !debugMode {
 		gin.SetMode(gin.ReleaseMode)
@@ -99,13 +97,13 @@ func RunServer(ctx context.Context, log logger.Logger, tracer trace.Tracer, conf
 	r.Use(httpserver.NewTracingMiddleware(tracer))
 
 	linkGroup := r.Group("/s")
-	linkGroup.POST("/new", NewShortlinkCreateHandler(log, shortlinkService, host))
+	linkGroup.POST("/new", NewShortlinkCreateGinHandler(log, shortlinkService, conf.GetServiceUrl()))
 	linkGroup.GET("/:linkId", NewShortlinkResolveHandler(log, shortlinkService))
 
 	grpcUnderlying := grpc.NewServer()
 	shortlinks.RegisterShortlinksServer(
 		grpcUnderlying,
-		NewShortlinksGrpc(log, shortlinkService, host),
+		NewShortlinksGrpc(log, shortlinkService, conf.GetServiceUrl()),
 	)
 
 	httpServer := httpserver.New(