fix docker implementation

Dockerfile

@@ -1,28 +1,9 @@
-# Use a lightweight Python base image
-FROM python:3.13-slim-bookworm
+FROM python:3.11.5-alpine
 
-# Set the working directory in the container
 WORKDIR /app
+RUN pip install uv
+COPY . .
+RUN uv sync
+RUN chmod +x entrypoint.sh
 
-# Install uv and dependencies
-COPY pyproject.toml ./
-RUN apt-get update && apt-get install -y cron \
-    && rm -rf /var/lib/apt/lists/*
-RUN pip install uv && uv sync
-
-# Copy the application code
-COPY szuru-eink.py ./
-COPY epd/ ./epd/
-
-# Copy the cron job script and crontab file
-COPY cron_job.sh /usr/local/bin/cron_job.sh
-COPY crontab /etc/cron.d/szuru-eink-cron
-
-# Give execution rights on the cron job script
-RUN chmod +x /usr/local/bin/cron_job.sh
-
-# Apply cron job
-RUN crontab /etc/cron.d/szuru-eink-cron
-
-# Run cron
-CMD ["cron", "-f"]
+ENTRYPOINT ["./entrypoint.sh"]