🐛 fix: use environment variables for database host in BDD tests

pkg/bdd/testserver/server.go

@@ -20,6 +20,26 @@ import (
 	"github.com/spf13/viper"
 )
 
+// getDatabaseHost returns the database host from environment variable or defaults to localhost
+func getDatabaseHost() string {
+	host := os.Getenv("DLC_DATABASE_HOST")
+	if host == "" {
+		return "localhost"
+	}
+	return host
+}
+
+// getDatabasePort returns the database port from environment variable or defaults to 5432
+func getDatabasePort() int {
+	port := 5432
+	if portEnv := os.Getenv("DLC_DATABASE_PORT"); portEnv != "" {
+		if parsedPort, err := strconv.Atoi(portEnv); err == nil {
+			port = parsedPort
+		}
+	}
+	return port
+}
+
 type Server struct {
 	httpServer  *http.Server
 	port        int
@@ -523,8 +543,8 @@ func createTestConfig(port int) *config.Config {
 			AdminMasterPassword: "admin123",
 		},
 		Database: config.DatabaseConfig{
-			Host:            "localhost", // Fallback if env vars not set
-			Port:            5432,
+			Host:            getDatabaseHost(), // Use env var if set, otherwise localhost
+			Port:            getDatabasePort(), // Use env var if set, otherwise 5432
 			User:            "postgres",
 			Password:        "postgres",
 			Name:            "dance_lessons_coach_bdd_test", // Separate BDD test database