Update Dockerfile

Dockerfile

@@ -14,3 +14,30 @@ COPY ./frontend ./frontend
 WORKDIR /app/frontend
 RUN npm run build
 
+# Step #2: Set up Python environment and install dependencies
+FROM python:3.10.13-slim-bullseye 
+RUN apt-get update && apt-get install -y nginx \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN python3 -m pip install --upgrade pip \
+    && pip install gunicorn==20.1.0
+
+COPY ./backend ./backend
+RUN pip install -r ./backend/requirements.txt
+
+# Step #3: Configure nginx and flask
+COPY --from=build-step /app/frontend/build /usr/share/nginx/html
+COPY deployment/docker/nginx.conf /etc/nginx/sites-enabled/default
+COPY deployment/docker/serve.sh .
+RUN chmod +x ./serve.sh
+
+# Ensure nginx can write to necessary directories
+RUN mkdir -p /var/lib/nginx/body /var/lib/nginx/proxy /var/lib/nginx/fastcgi \
+    && chown -R www-data:www-data /var/lib/nginx \
+    && chown -R www-data:www-data /var/log/nginx \
+    && chmod -R 755 /var/lib/nginx \
+    && chmod -R 755 /var/log/nginx
+
+EXPOSE 80
+ENTRYPOINT ["/bin/bash"]
+CMD ["./serve.sh"]