init: first init

internal/config/env/env.go

@@ -0,0 +1,48 @@
+package env
+
+import (
+	"os"
+	"strconv"
+)
+
+// GetString returns the string value from an environment variable
+func GetString(name, defaultValue string) string {
+	value := os.Getenv(name)
+	if value == "" {
+		return defaultValue
+	}
+
+	return value
+}
+
+// GetInt returns the int value from an environment variable
+func GetInt(name string, defaultValue int) int {
+	value := os.Getenv(name)
+	if value == "" {
+		return defaultValue
+	}
+
+	// Convert string to int
+	intValue, err := strconv.Atoi(value)
+	if err != nil {
+		return defaultValue
+	}
+
+	return intValue
+}
+
+// GetBool returns the bool value from an environment variable
+func GetBool(name string, defaultValue bool) bool {
+	value := os.Getenv(name)
+	if value == "" {
+		return defaultValue
+	}
+
+	// Convert string to bool
+	boolValue, err := strconv.ParseBool(value)
+	if err != nil {
+		return defaultValue
+	}
+
+	return boolValue
+}