Changed app for proxy and https++

Dockerfile

@@ -15,8 +15,9 @@ COPY reset_password.py .
 COPY templates/ templates/
 COPY static/ static/
 
-# Create data directory
-RUN mkdir -p /app/data
+# Create data and session directories
+RUN mkdir -p /app/data /app/data/flask_sessions && \
+    chmod 777 /app/data/flask_sessions
 
 # Copy entrypoint script and make scripts executable
 COPY docker-entrypoint.sh .