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+FROM python:3-slim
+
+WORKDIR /
+
+# Update the image to remediate any vulnerabilities.
+RUN apt clean && apt update && apt -y dist-upgrade && apt clean && rm -rf /var/lib/apt/lists/*
+
+# Remove suid & sgid bits from all files.
+RUN find / -xdev -perm /6000 -exec chmod ug-s {} \; 2> /dev/null || true
+
+# Copy the ssh-audit code.
+COPY ssh-audit.py .
+COPY src/ .
+
+# Allow listening on 2222/tcp for client auditing.
+EXPOSE 2222
+
+# Drop root privileges.
+USER nobody:nogroup
+
+ENTRYPOINT ["python3", "/ssh-audit.py"]