Add flask command switch to docker-entrypoint again

docker-entrypoint.sh

@@ -8,5 +8,11 @@ wait-for-it redis:6379 --strict --timeout=0
 GUNICORN_WORKERS="${GUNICORN_WORKERS:-1}"
 
 source venv/bin/activate
-flask deploy
-gunicorn --access-logfile - --bind :5000 --error-logfile - --workers "${GUNICORN_WORKERS}" --worker-class eventlet nopaque:app
+if [ $# -eq 0 ]; then
+    flask deploy
+    gunicorn --access-logfile - --bind :5000 --error-logfile - --workers "${GUNICORN_WORKERS}" --worker-class eventlet nopaque:app
+elif [ $1 == "flask" ]; then
+    flask ${@:2}
+else
+    echo "$0 [flask [options]]"
+fi