Added Docker stuff.

Dockerfile

@@ -0,0 +1,15 @@
+FROM php:7.2-apache
+
+# Use the default production configuration.
+RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
+
+RUN docker-php-ext-install mysqli
+
+# Enable rewrite module for httpd.
+RUN ln -s /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-enabled/rewrite.load
+
+ADD sna /var/www/html
+
+# Set 20M body size limit and enable short open tags in PHP
+RUN sed -i "s/<VirtualHost \*:80>/<VirtualHost \*:80>\n\tLimitRequestBody 20480000\n/" /etc/apache2/sites-enabled/000-default.conf && \
+    sed -i "s/short_open_tag = Off/short_open_tag = On/" $PHP_INI_DIR/php.ini

docker-compose.yml

@@ -0,0 +1,27 @@
+version: '3'
+services:
+  app:
+    build: .
+    restart: always
+    ports:
+      - "5000:80"
+    volumes:
+      - <vnesi pot na gostitelju>:/var/www/html/audio
+      - <vnesi pot na gostitelju>:/var/www/html/comments
+      - <vnesi pot na gostitelju>:/var/www/html/images
+      - <vnesi pot na gostitelju>:/var/www/html/images/words
+    environment:
+      DB_HOST: db
+      DB_USER: testuser
+      DB_PASS: testpass
+      DB_NAME: digital_atlas
+  db:
+    image: "mariadb:10.5-focal"
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: roottestpass
+      MYSQL_DATABASE: digital_atlas
+      MYSQL_USER: testuser
+      MYSQL_PASSWORD: testpass
+    volumes:
+      - <vnesi pot na gostitelju>:/var/lib/mysql

sna/application/config/config.php

@@ -32,6 +32,12 @@ else
 	$config['base_url'] = 'http://my-server-name.si/sna';
 }
 
+// Environment variable override
+if($conf_var = getenv('BASE_URL')) {
+    $config['base_url'] = $conf_var;
+}
+
+
 /*
 |--------------------------------------------------------------------------
 | Index File
@@ -387,7 +393,7 @@ $config['encryption_key'] = '';
 $config['sess_driver'] = 'files';
 $config['sess_cookie_name'] = 'ci_session';
 $config['sess_expiration'] = 7200;
-$config['sess_save_path'] = NULL;
+$config['sess_save_path'] = '/tmp';
 $config['sess_match_ip'] = FALSE;
 $config['sess_time_to_update'] = 300;
 $config['sess_regenerate_destroy'] = FALSE;

sna/application/config/database.php

@@ -75,10 +75,10 @@ $query_builder = TRUE;
 
 $db['default'] = array(
 	'dsn'	=> '',
-	'hostname' => 'localhost',
-	'username' => 'nermin',
-	'password' => '',
-	'database' => 'digital_atlas',
+	'hostname' => (getenv('DB_HOST')) ? getenv('DB_HOST') : 'localhost',
+	'username' => (getenv('DB_USER')) ? getenv('DB_USER') : 'nermin',
+	'password' => (getenv('DB_PASS')) ? getenv('DB_PASS') : '',
+	'database' => (getenv('DB_NAME')) ? getenv('DB_NAME') : 'digital_atlas',
 	'dbdriver' => 'mysqli',
 	'dbprefix' => '',
 	'pconnect' => FALSE,