Update Dockerfile

Dockerfile

@@ -45,7 +45,7 @@ RUN \
   chmod +x "./docker-entrypoint.sh" && \
   echo "*** Convert line endings to Unix format ***" && \
   dos2unix "./docker-entrypoint.sh"
-RUN sed -i 's/npm run postinstall/\.\/launch.sh env \&\& \.\/launch.sh init/g' docker-entrypoint.sh
+RUN sed -i 's/# Start the server/\"${APP_HOME}\/launch.sh\" env \&\& \"${APP_HOME}\/launch.sh\" init/g' docker-entrypoint.sh
 RUN chmod -R 777 ${APP_HOME}
 
 EXPOSE 7860