diff --git a/Dockerfile b/Dockerfile
index 919b4ac..de4760d 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,14 +5,17 @@ WORKDIR /opt/tisbackup
 
 COPY entrypoint.sh /entrypoint.sh
 COPY . /opt/tisbackup
+
 ENV DEBIAN_FRONTEND=noninteractive
 ENV UV_PROJECT_ENVIRONMENT=/usr/local
+ENV UV_PYTHON_DOWNLOADS=never
 
 RUN apt-get update && apt-get upgrade -y \
    && apt-get install --no-install-recommends -y rsync ssh cron \
    && rm -rf /var/lib/apt/lists/* \
    #&& /usr/local/bin/python3.13 -m pip install --no-cache-dir -r requirements.txt \
-   && uv sync \
+   && uv sync --locked --no-dev --no-install-project \
+   && rm -f /bin/uv /bin/uvx \
    && mkdir -p /var/spool/cron/crontabs \
    && echo '59 03 * * * root /bin/bash /opt/tisbackup/backup.sh' > /etc/crontab \
    && echo '' >> /etc/crontab \