diff --git a/relp_handler.go b/relp_handler.go
index def50ec..bf0dcd8 100644
--- a/relp_handler.go
+++ b/relp_handler.go
@@ -9,11 +9,28 @@ import (
 	"net/url"
 	"os"
 	"path/filepath"
+	"strconv"
 	"time"
 
 	"github.com/google/uuid"
 )
 
+func getEnvAsInt(name string, defaultVal int) int {
+	valStr := os.Getenv(name)
+	if val, err := strconv.Atoi(valStr); err == nil {
+		return val
+	}
+	return defaultVal
+}
+
+func getEnvAsDuration(name string, defaultVal time.Duration) time.Duration {
+	valStr := os.Getenv(name)
+	if val, err := time.ParseDuration(valStr); err == nil {
+		return val
+	}
+	return defaultVal
+}
+
 var (
 	cacheDir          = os.Getenv("LOGGER_CACHE_DIR")
 	diskBufferLimit   = getEnvAsInt("LOGGER_DISK_BUFFER_LIMIT", 100)