Update Dockerfile

Dockerfile

@@ -1,13 +1,16 @@
-FROM python:3.10
+FROM python:3.10.11-alpine3.18
 
-WORKDIR /app
+WORKDIR app/
 
 COPY requirements.txt requirements.txt
 
 RUN pip3 install --upgrade pip setuptools wheel
 RUN pip3 install --no-warn-script-location --no-cache-dir -r requirements.txt
+RUN pip install Flask
 
 COPY . .
+RUN mkdir -p /app/sessions && \
+    chmod -R 777 /app/sessions
+RUN chmod 777 /app
 
-ENTRYPOINT ["python3", "main.py"]
-CMD ["-a", "2"]
+CMD ["python3", "app.py"]