The BASE_IMAGE build arg was being unconditionally overwritten by composer.py with the decky's distro build_base (debian:bookworm-slim), turning the conpot container into a bare Debian image with no conpot installation — hence the silent restart loop. Two fixes: 1. composer.py: use args.setdefault() so services that pre-declare BASE_IMAGE in their compose_fragment() win over the distro default. 2. conpot.py: pre-declare BASE_IMAGE=honeynet/conpot:latest in build args so it always uses the upstream image regardless of decky distro. Also removed the USER decnet switch from the conpot Dockerfile. The upstream image already runs as the non-root 'conpot' user; switching to 'decnet' broke pkg_resources because conpot's eggs live under /home/conpot/.local and are only on sys.path for that user.
19 lines
1023 B
Docker
19 lines
1023 B
Docker
ARG BASE_IMAGE=honeynet/conpot:latest
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FROM ${BASE_IMAGE}
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USER root
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# Replace 5020 with 502 in all templates so Modbus binds on the standard port
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RUN find /opt /usr /etc /home -name "*.xml" -exec sed -i 's/<port>5020<\/port>/<port>502<\/port>/g' {} + 2>/dev/null || true
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RUN find /opt /usr /etc /home -name "*.xml" -exec sed -i 's/port="5020"/port="502"/g' {} + 2>/dev/null || true
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# Install libcap and give the Python interpreter permission to bind ports < 1024
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RUN (apt-get update && apt-get install -y --no-install-recommends libcap2-bin 2>/dev/null) || (apk add --no-cache libcap 2>/dev/null) || true
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RUN find /home/conpot/.local/bin /usr /opt -type f -name 'python*' -exec setcap 'cap_net_bind_service+eip' {} \; 2>/dev/null || true
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# The upstream image already runs as the non-root 'conpot' user.
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# We do NOT switch to a 'decnet' user here — doing so breaks pkg_resources
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# because conpot's eggs live under /home/conpot/.local and are only on the
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# Python path when the interpreter runs as 'conpot'.
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USER conpot
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