diff --git a/Dockerfile b/Dockerfile
index 19c4944..5739497 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,6 +21,7 @@ RUN cp -rf /lib/*-linux-*/libpsl* /ulib
 RUN cp -rf /lib/*-linux-*/libunistring* /ulib
 RUN cp -rf /lib/*-linux-*/libjpeg* /ulib
 RUN cp -rf /lib/*-linux-*/libvncclient* /ulib
+RUN cp -rf /lib/*-linux-*/libtinfo* /ulib
 
 # vnc client support
 RUN cp -rf /lib/*-linux-*/libgcrypt* /ulib
@@ -56,6 +57,7 @@ COPY --from=deploy-env /bin/wget /bin/
 COPY --from=deploy-env /usr/bin/ssh /bin/
 COPY --from=deploy-env /usr/bin/ssh-keygen /bin/
 COPY --from=deploy-env /usr/bin/ssh-copy-id /bin/
+COPY --from=deploy-env /usr/bin/bash /bin/
 # copy backend
 COPY --from=deploy-env /platform/ /
 RUN rm /etc/systemd -rf
@@ -67,7 +69,6 @@ RUN chmod 744 /opt/www/runner.ini
 COPY antos/frontend/ /
 RUN chown -R root:root /opt/www/htdocs/
 RUN rm -rf /etc/systemd
-RUN ln -sf /bin/sh /bin/bash
 COPY start.sh /start.sh
 RUN chmod 700 /start.sh
 ENTRYPOINT /start.sh