bug fix redirect url with docker installation

docker-compose.yml

@@ -5,6 +5,7 @@ services:
     restart: "unless-stopped"
     environment:
       TYPE: "docker"
+      BASE_URL: "https://mydomain.com"
       DATABASE_HOST: "php-dynamic-qrcode-db"
       DATABASE_PORT: "3306"
       DATABASE_NAME: "qrcode"
@@ -17,7 +18,6 @@ services:
     depends_on:
       - php-dynamic-qrcode-db
     volumes:
-      - php_dynamic_qrcode_config_data:/var/www/html/config
       - php_dynamic_qrcode_saved_qrcode_data:/var/www/html/saved_qrcode
     networks:
       - php-dynamic-qrcode-network

src/config/environment.php

@@ -13,6 +13,8 @@ if(is_string(Getenv('TYPE')) && Getenv('TYPE') == "docker") {
     define('DATABASE_PASSWORD', Getenv('DATABASE_PASSWORD'));
     define('DATABASE_PREFIX', Getenv('DATABASE_PREFIX')); // This must have a trailing underscore. Example: qr_
     define('DATABASE_CHARSET', Getenv('DATABASE_CHARSET'));
+    define('TYPE', Getenv('TYPE'));
+    define('BASE_URL', Getenv('BASE_URL'));
 } else {
     define('DATABASE_HOST', "localhost");
     define('DATABASE_PORT', "3306");

src/helpers/helpers.php

@@ -118,10 +118,15 @@ function paginationLinks($current_page, $total_pages, $base_url) {
 }
 
 function base_url() {
+    require_once(__DIR__ . '/../config/environment.php');
+    if (defined('BASE_URL') && BASE_URL !== null) {
+        return BASE_URL;
+    } else {
         return sprintf(
             "%s://%s:%s",
-        isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off' ? 'https' : 'http',
+            isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ? 'https' : 'http',
             $_SERVER['SERVER_NAME'],
             $_SERVER['SERVER_PORT']
         );
     }
+}