fix linter issues

proxy/internal/k8s/lease.go

@@ -151,7 +151,7 @@ func (c *LeaseClient) Get(ctx context.Context, name string) (*Lease, error) {
 	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode == http.StatusNotFound {
-		return nil, nil
+		return nil, nil //nolint:nilnil
 	}
 	if resp.StatusCode != http.StatusOK {
 		return nil, c.readError(resp)

proxy/internal/proxy/reverseproxy_test.go

@@ -597,9 +597,9 @@ func TestRewriteLocationFunc(t *testing.T) {
 	t.Run("re-adds stripped path prefix", func(t *testing.T) {
 		resp, err := run(newProxy("https"), "/api", newReq("https://public.example.com/api/users"),
 			"http://backend.internal:8080/users")
-		defer resp.Body.Close()
 
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, "https://public.example.com/api/users", resp.Header.Get("Location"))
 	})
 
@@ -608,6 +608,7 @@ func TestRewriteLocationFunc(t *testing.T) {
 			"http://backend.internal:8080/path")
 
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, "http://public.example.com/path", resp.Header.Get("Location"))
 	})
 
@@ -615,6 +616,7 @@ func TestRewriteLocationFunc(t *testing.T) {
 		resp, err := run(newProxy("https"), "", newReq("https://public.example.com/"), "")
 
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Empty(t, resp.Header.Get("Location"))
 	})
 
@@ -623,6 +625,7 @@ func TestRewriteLocationFunc(t *testing.T) {
 			"http://backend.internal:8080/login")
 
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, "https://public.example.com/login", resp.Header.Get("Location"))
 	})
 
@@ -633,6 +636,7 @@ func TestRewriteLocationFunc(t *testing.T) {
 			"http://backend.internal:8080/login?redirect=%2Fdashboard&lang=en")
 
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, "https://public.example.com/login?redirect=%2Fdashboard&lang=en", resp.Header.Get("Location"))
 	})
 
@@ -641,6 +645,7 @@ func TestRewriteLocationFunc(t *testing.T) {
 			"http://backend.internal:8080/docs#section-2")
 
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, "https://public.example.com/docs#section-2", resp.Header.Get("Location"))
 	})