fix lint msg

internal/app/handlers/avatar.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"log/slog"
 	"net/http"
 
 	"ctf01d/internal/app/server"
@@ -26,5 +27,8 @@ func (h *Handlers) UniqueAvatar(w http.ResponseWriter, r *http.Request, username
 	imageBytes := avatar.GenerateAvatar(username, xMax, yMax, blockSize, steps)
 
 	w.Header().Set("Content-Type", "image/png")
-	w.Write(imageBytes)
+	_, err := w.Write(imageBytes)
+	if err != nil {
+		slog.Warn(err.Error(), "handler", "UniqueAvatar	")
+	}
 }

scripts/create-migration.go

@@ -2,16 +2,16 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"log"
+	"os"
 	"path/filepath"
 	"regexp"
 	"strconv"
 )
 
 func main() {
 	dir := "./internal/app/migrations/psql/"
-	files, err := ioutil.ReadDir(dir)
+	files, err := os.ReadDir(dir)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -64,7 +64,7 @@ func DatabaseUpdate_update%04d_update%04d(db *sql.DB, getInfo bool) (string, str
 }
 `, maxUpdate, nextUpdate)
 
-	err = ioutil.WriteFile(newFilePath, []byte(template), 0o644)
+	err = os.WriteFile(newFilePath, []byte(template), 0o644)
 	if err != nil {
 		log.Fatal(err)
 	}

test/server_integration_test.go

@@ -36,7 +36,12 @@ func TestMain(m *testing.M) {
 	if err != nil {
 		panic(err)
 	}
-	NewTestRouter()
+
+	_, err = NewTestRouter()
+	if err != nil {
+		panic(err)
+	}
+
 	code := m.Run()
 	db.Close()
 	os.Exit(code)