Update Dockerfile

Dockerfile

@@ -12,6 +12,10 @@ COPY /pages ./pages
 
 ENV PROJ_LIB='/opt/conda/share/proj'
 
+# ---- Add these lines ----
+ENV UVICORN_PROXY_HEADERS=1
+ENV FORWARDED_ALLOW_IPS="*"
+
 USER root
 RUN chown -R ${NB_UID} ${HOME}
 USER ${NB_USER}