ch10.1

cmd/api/errors.go

@@ -6,7 +6,10 @@ import (
 )
 
 func (app *application) logError(r *http.Request, err error) {
-	app.logger.Print(err)
+	app.logger.PrintError(err, map[string]string{
+		"request_method": r.Method,
+		"request_url":    r.URL.String(),
+	})
 }
 
 func (app *application) errorResponse(w http.ResponseWriter, r *http.Request, status int, message any) {

cmd/api/healthcheck.go

@@ -14,7 +14,6 @@ func (app *application) healthcheckHandler(w http.ResponseWriter, r *http.Reques
 	}
 	err := app.writeJSON(w, http.StatusOK, env, nil)
 	if err != nil {
-		app.logger.Print(err)
 		app.serverErrorResponse(w, r, err)
 	}
 }

cmd/api/main.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"gitea.local.lab/Lbenedar/greenlight/internal/data"
+	"gitea.local.lab/Lbenedar/greenlight/internal/jsonlog"
 	_ "github.com/lib/pq"
 )
 
@@ -18,7 +19,7 @@ const version = "1.0.0"
 
 type application struct {
 	config config
-	logger *log.Logger
+	logger *jsonlog.Logger
 	models data.Models
 }
 
@@ -70,15 +71,15 @@ func main() {
 	flag.StringVar(&cfg.db.maxIdleTime, "db-max-idle-time", "15m", "PostgreSQL max connection idle time")
 	flag.Parse()
 
-	logger := log.New(os.Stdout, "", log.Ldate|log.Ltime)
+	logger := jsonlog.New(os.Stdout, jsonlog.LevelInfo)
 
 	db, err := openDB(cfg)
 	if err != nil {
-		logger.Fatal(err)
+		logger.PrintFatal(err, nil)
 	}
 	defer db.Close()
 
-	logger.Printf("database connection pool established")
+	logger.PrintInfo("database connection pool established", nil)
 
 	app := &application{
 		config: cfg,
@@ -89,11 +90,15 @@ func main() {
 	srv := &http.Server{
 		Addr:         fmt.Sprintf(":%d", app.config.port),
 		Handler:      app.routes(),
+		ErrorLog:     log.New(logger, "", 0),
 		IdleTimeout:  time.Minute,
 		ReadTimeout:  10 * time.Second,
 		WriteTimeout: 10 * time.Second,
 	}
-	logger.Printf("starting %s server on %s", cfg.env, srv.Addr)
+	logger.PrintInfo("starting server", map[string]string{
+		"addr": srv.Addr,
+		"env":  cfg.env,
+	})
 	err = srv.ListenAndServe()
-	logger.Fatal(err)
+	logger.PrintFatal(err, nil)
 }