some fixes for docker and migrations

pkg/app.go

@@ -0,0 +1,31 @@
+package pkg
+
+import (
+	"bufio"
+	"os"
+	"strings"
+)
+
+func LoadEnvFile(envDirectory string) error {
+	file, err := os.Open(envDirectory)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if len(line) == 0 || strings.HasPrefix(line, "#") {
+			continue
+		}
+		parts := strings.SplitN(line, "=", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.TrimSpace(parts[0])
+		value := strings.TrimSpace(parts[1])
+		os.Setenv(key, value)
+	}
+	return scanner.Err()
+}