initial

config/getEnv.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"os"
+	"strconv"
+)
+
+func getEnv(key, fallback string) string {
+	if value, ok := os.LookupEnv(key); ok {
+		return value
+	}
+	return fallback
+}
+
+func getEnvInt(key string, fallback int) int {
+	if value, ok := os.LookupEnv(key); ok {
+		num, err := strconv.Atoi(value)
+		if err != nil {
+			return fallback
+		}
+		return num
+	}
+	return fallback
+}