upgrade image (#160)

Author: howieleung

src/Dockerfile

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM python:3.11.11-slim-bookworm
+FROM python:3.13.5-slim-bookworm
 
 WORKDIR /code
 
@@ -25,9 +25,6 @@ RUN pnpm install \
 
 
 RUN apt-get purge -y krb5-user libkrb5-3 libkrb5support0 libgssapi-krb5-2
-RUN apt-get purge -y perl
-RUN apt-get update && apt-get install -y libcap2
-
 
 # Return to backend directory
 WORKDIR /code