re-defined compose and .env file names

Docker/nextcloud/.env

@@ -0,0 +1,21 @@
+# Overall and upload PHP limits
+PHP_MEMORY_LIMIT=2048M
+PHP_UPLOAD_LIMIT=5120M
+
+# Timezone
+TZ=Europe/Warsaw
+
+# Where config will be stored
+CONFIG=/path/to/config_folder
+
+# Where the data (files) will be stored
+DATA=/path/to/data_folder
+
+# MySQL password for the root account
+MYSQL_ROOT_PASSWORD=super_duper_strong_password
+
+# MySQL password for the nextcloud account
+MYSQL_PASSWORD=another_one_strong_password
+
+# Folder, where database will be stored 
+MARIADB=/path/to/mariadb/folder