diff --git a/core/src/main/java/asys/core/Main.java b/core/src/main/java/asys/core/Main.java
index dd86d25..cc468e4 100644
--- a/core/src/main/java/asys/core/Main.java
+++ b/core/src/main/java/asys/core/Main.java
@@ -4,20 +4,69 @@
  */
 package asys.core;
 
-import java.io.IOException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.*;
 import java.util.Properties;
 
 public class Main {
+    private static final Logger logger = LoggerFactory.getLogger("Launcher");
+
     public static void main(String[] args) {
-        Properties asysProperties = new Properties();
+        Core asysCore = new Core();
+        asysCore.setProperties(getProperties());
+        asysCore.start();
+    }
+
+    private static Properties getProperties() {
+        String pathToProps;
+        Properties properties = new Properties();
+
+        // Указан в строке запуска
+        pathToProps = System.getProperty("asys.props.file");
+        if (pathToProps != null && !pathToProps.trim().isEmpty()) {
+            try {
+                properties.load(new FileReader(pathToProps));
+                logger.debug("asys.props.file = {}", pathToProps);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            return properties;
+        }
+
+        // Указан в системном окружении
+        pathToProps = System.getenv("ASYS_PROPS");
+        if (pathToProps != null && !pathToProps.trim().isEmpty()) {
+            try {
+                properties.load(new FileReader(pathToProps));
+                logger.debug("ASYS_PROPS = {}", pathToProps);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            return properties;
+        }
+
+        // Находится в той же рабочей папке
+        File asysPropsFile = new File("asys.properties");
+        if (asysPropsFile.exists() && !asysPropsFile.isDirectory() &&
+                asysPropsFile.canRead() && asysPropsFile.length() > 0) {
+            try {
+                properties.load(new FileInputStream(asysPropsFile));
+                logger.debug("File = {}", asysPropsFile.getCanonicalPath());
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            return properties;
+        }
+
+        // Берем файл по умолчанию, из classpath
         try {
-            asysProperties.load(Main.class.getResourceAsStream("/asys.properties"));
+            properties.load(Main.class.getResourceAsStream("/asys.properties"));
+            logger.debug("Use default properties file");
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-
-        Core asysCore = new Core();
-        asysCore.setProperties(asysProperties);
-        asysCore.start();
+        return properties;
     }
 }