Code cleanup and formatting

cmd/app/handler/handler.go

@@ -1,4 +1,4 @@
-package httpjson
+package handler
 
 import (
 	"context"

cmd/app/handler/handler_test.go

@@ -1,4 +1,4 @@
-package httpjson
+package handler
 
 import (
 	"context"

cmd/app/handler/health.go

@@ -1,4 +1,4 @@
-package httpjson
+package handler
 
 import (
 	"net/http"

cmd/app/handler/health_test.go

@@ -1,4 +1,4 @@
-package httpjson
+package handler
 
 import (
 	"io"

cmd/app/service.go

@@ -3,7 +3,7 @@ package main
 import (
 	"context"
 
-	"github.com/kjannette/go_http_server/cmd/app/handler/httpjson"
+	"github.com/kjannette/go_http_server/cmd/app/handler"
 	"github.com/kjannette/go_http_server/internal/config"
 
 	"go.uber.org/zap"
@@ -14,7 +14,7 @@ func run(ctx context.Context, cfg *config.Config) error {
 	lg := zap.L().With(zap.String("app_name", appName), zap.String("app_version", appVersion))
 
 	eg, ctx := errgroup.WithContext(ctx)
-	app, h := httpjson.New(lg)
+	app, h := handler.New(lg)
 	serverLog := lg.Named("run_server")
 
 	eg.Go(func() error {