healthcheck frontend

frontend/Dockerfile

@@ -1,11 +1,27 @@
-FROM python:3.11.4-slim-bookworm
+# Use an official Python runtime as a parent image
+FROM python:3.11.6-slim-bookworm
+
+# Set the working directory in the Docker image
 WORKDIR /client
 ENV PYTHONPATH /client
 
+# Copy the requirements.txt first to leverage Docker cache
 COPY frontend/requirements_frontend.txt /client/requirements_frontend.txt
 COPY frontend/start_streamlit.sh /client/start_streamlit.sh
+
 RUN chmod +x /client/start_streamlit.sh
 RUN pip install --no-cache-dir -r requirements_frontend.txt
+
+# Copy the app directory contents into the container at /client/frontend
 COPY frontend/ .
+
+# Make port 8501 available to the world outside this container
 EXPOSE 8501
+
+HEALTHCHECK --interval=5m --timeout=3s \
+  --start-period=1m \
+  CMD curl --fail http://localhost:8501 || exit 1
+
+
+# Run startup script
 ENTRYPOINT ["bash", "start_streamlit.sh"]