Fix the Docker configuration to work better

README.md

@@ -7,9 +7,10 @@
 * Wiki (community contributed information): https://github.com/TracksApp/tracks/wiki
 * Mailing list: http://groups.google.com/group/TracksApp
 * IRC channel: #tracks on Freenode
+* Gitter: https://gitter.im/TracksApp/tracks
 * Original developer: bsag (http://www.rousette.org.uk/)
 * Contributors: https://github.com/TracksApp/tracks/wiki/Contributors
-* Version: 2.4.2
+* License: See COPYING
 
 [![Build Status](https://github.com/TracksApp/tracks/workflows/Continuous%20Integration/badge.svg)](https://github.com/TracksApp/tracks/actions)
 [![Code Climate](https://codeclimate.com/github/TracksApp/tracks/badges/gpa.svg)](https://codeclimate.com/github/TracksApp/tracks)
@@ -37,21 +38,3 @@ sure that you take sensible precautions and back up all your data frequently,
 taking particular care when you are upgrading.
 
 Enjoy being productive!
-
---------------------------------------------------------------------------------
-
-Copyright (C) 2004-2016 rousette.org.uk
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.