adding validated services? patching forcad_local.py

ctfcup24-school-ad/services/filtranator/server/Dockerfile

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+FROM ubuntu:24.04
+
+RUN apt-get update
+RUN apt-get install -y python3 pip libpq-dev iproute2 netcat-traditional
+RUN useradd -m ctf
+RUN mkdir /app
+WORKDIR /app
+
+COPY ./ /app
+RUN chmod +x ./server.py
+RUN chmod +x ./filterer/filterer
+RUN pip3 install -r ./requirements.txt --break-system-packages
+RUN chown -R ctf:ctf /app/images
+RUN chown -R ctf:ctf /app
+USER ctf
+
+EXPOSE 6969
+CMD ./server.py