New images in Dockerfile

Dockerfile

@@ -1,13 +1,17 @@
-FROM python:3.15-rc-trixie AS baustelle
+FROM python:3.15.0a5-trixie AS baustelle
 RUN mkdir /app
 WORKDIR /app
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
 RUN pip install  --upgrade pip
 COPY requirements.txt /app/
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt && \
+    apt-get update && \
+    apt-get install -y curl && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
-FROM python:3.15-rc-slim-trixie
+FROM python:3.15.0a5-slim-trixie
 RUN useradd -m -r -u 99 appuser && \
     mkdir /app && \
     chown -R appuser /app
@@ -35,5 +39,8 @@ RUN rm -rvf /app/Dockerfile* \
            /app/scripts \
            /app/test_*.py && \
        python3 /app/manage.py collectstatic --noinput
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8000/ || exit 1
+
 CMD ["gunicorn","--bind","0.0.0.0:8000","--workers","3","VorgabenUI.wsgi:application"]