fix(updater): setar docker_config e recriar container com configuração

internal/tui/docker_test.go

@@ -39,3 +39,35 @@ func TestShellQuoteArgsRoundTrip(t *testing.T) {
 		}
 	}
 }
+
+// TestBuildRecreateCmdUsesLivePort guards against the updater silently reverting a host
+// port that was changed by hand after install: the recreate command must reference the
+// live $PORT read at recreate time, not replay the port typed into the wizard.
+func TestBuildRecreateCmdUsesLivePort(t *testing.T) {
+	if _, err := exec.LookPath("sh"); err != nil {
+		t.Skip("sh not available")
+	}
+
+	args := []string{"run", "-d", "-p", "9999:8080", "--name", "app-dono-cliente"}
+	cmd := buildRecreateCmd(args, "9999")
+
+	if strings.Contains(cmd, "9999:8080") {
+		t.Fatalf("recreate command still contains the wizard-time port literal: %s", cmd)
+	}
+	if !strings.Contains(cmd, `"$PORT:8080"`) {
+		t.Fatalf("recreate command missing live $PORT reference: %s", cmd)
+	}
+
+	// Swap the leading `docker` for `printf` so we can inspect the argv sh would have
+	// passed to docker, with PORT set as the poll script would set it live.
+	script := "PORT=8081\n" + strings.Replace(cmd, "docker ", "printf '%s\\n' ", 1)
+	out, err := exec.Command("sh", "-c", script).Output()
+	if err != nil {
+		t.Fatalf("sh failed: %v", err)
+	}
+	got := strings.Split(strings.TrimRight(string(out), "\n"), "\n")
+	want := []string{"run", "-d", "-p", "8081:8080", "--name", "app-dono-cliente"}
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("got %v, want %v", got, want)
+	}
+}