Fix container signal handling

entrypoint.sh

@@ -1,4 +1,13 @@
 #!/bin/sh
 
 # Run the application in the background
-python generate_config.py && python pterodisbot.py
+python generate_config.py && python pterodisbot.py &
+
+# Capture the application's process ID
+pid=$!
+
+# Trap the SIGTERM signal and pass it through to the process upon stopping the container
+trap "kill -TERM $pid" SIGTERM
+
+# Wait for process to complete
+wait $pid