Fix docker images

docker/Dockerfile

@@ -14,4 +14,6 @@ RUN python3 -m pip install --no-cache-dir -r requirements.txt
 
 ARG CONF_FOLDER=$LICHESS_DIR/config
 
+RUN chmod +x docker/copy_files.sh
+
 CMD docker/copy_files.sh && python3 lichess-bot.py ${OPTIONS} --disable_auto_logging

docker/copy_files.sh

@@ -1,11 +1,11 @@
 #!/bin/sh
 
-ln -s /lichess-bot/config/config.yml config.yml
+ln -s /lichess-bot/config/config.yml /lichess-bot/
 
-if [ -f /lichess-bot/config/homemade.py ]; then
-    ln -sf /lichess-bot/config/homemade.py homemade.py
+if [ -e /lichess-bot/config/homemade.py ]; then
+    ln -sf /lichess-bot/config/homemade.py /lichess-bot/
 fi
 
-if [ -f /lichess-bot/config/extra_game_handlers.py ]; then
-    ln -sf /lichess-bot/config/extra_game_handlers.py extra_game_handlers.py
+if [ -e /lichess-bot/config/extra_game_handlers.py ]; then
+    ln -sf /lichess-bot/config/extra_game_handlers.py /lichess-bot/
 fi

wiki/How-to-use-the-Docker-image.md

@@ -22,6 +22,8 @@ You can also find documentation [here](https://github.com/lichess-bot-devs/liche
 Once your configuration files are ready, let's say in `/home/me/myEngine` folder, run the following command:  
 ```docker run -d -v /home/me/myEngine:/lichess-bot/config --name myBot lichessbotdevs/lichess-bot```
 
+**NOTE**: Prefer using absolute paths over relative paths, as relative ones may cause problems.
+
 That's all!
 
 ### Warning: