cowrie/docker/Dockerfile

# This Dockerfile contains two images, `builder` and `runtime`.
# `builder` contains all necessary code to build
# `runtime` is stripped down.

ARG ARCH=
ARG SOURCE_DATE_EPOCH
ARG TAG
FROM ${ARCH}debian:bookworm-slim AS builder

WORKDIR /

# This is a temporary workaround, see https://github.com/cowrie/docker-cowrie/issues/26
ENV CRYPTOGRAPHY_DONT_BUILD_RUST=1

ENV COWRIE_GROUP=cowrie \
    COWRIE_USER=cowrie \
    COWRIE_HOME=/cowrie

# Set locale to UTF-8, otherwise upstream libraries have bytes/string conversion issues
ENV LC_ALL=en_US.UTF-8 \
    LANG=en_US.UTF-8 \
    LANGUAGE=en_US.UTF-8

RUN groupadd -r ${COWRIE_GROUP} && \
    useradd -r -d ${COWRIE_HOME} -m -g ${COWRIE_GROUP} ${COWRIE_USER}

# Set up Debian prereqs
RUN export DEBIAN_FRONTEND=noninteractive; \
    apt-get -q update && \
    apt-get -q install -y \
        -o APT::Install-Suggests=false \
        -o APT::Install-Recommends=false \
      build-essential \
      ca-certificates \
      cargo \
      libffi-dev \
      libsnappy-dev \
      libssl-dev \
      python3 \
      python3-dev \
      python3-pip \
      python3-venv \
      rustc && \
    rm -rf /var/lib/apt/lists/*

USER ${COWRIE_USER}
WORKDIR ${COWRIE_HOME}

# Copy requirements first to use Docker caching better
RUN mkdir -p ${COWRIE_HOME}/cowrie-git
COPY --chown=${COWRIE_USER}:${COWRIE_GROUP} requirements.txt requirements-output.txt ${COWRIE_HOME}/cowrie-git/

RUN python3 -m venv cowrie-env && \
    . cowrie-env/bin/activate && \
    pip install --no-cache-dir --upgrade pip setuptools wheel && \
    pip install --no-cache-dir --upgrade cffi && \
    pip install --no-cache-dir --upgrade -r ${COWRIE_HOME}/cowrie-git/requirements.txt && \
    pip install --no-cache-dir --upgrade -r ${COWRIE_HOME}/cowrie-git/requirements-output.txt

COPY --chown=${COWRIE_USER}:${COWRIE_GROUP} . ${COWRIE_HOME}/cowrie-git


FROM gcr.io/distroless/python3-debian12 AS runtime
#FROM gcr.io/distroless/python3-debian12:debug AS runtime

LABEL org.opencontainers.image.authors="Michel Oosterhof <michel@oosterhof.net>"
LABEL org.opencontainers.image.url="https://cowrie.org/"
LABEL org.opencontainers.image.documentation="https://docs.cowrie.org"
LABEL org.opencontainers.image.source="https://github.com/cowrie/cowrie"
LABEL org.opencontainers.image.version=${TAG}
LABEL org.opencontainers.image.revision="Source control revision identifier for the packaged software."
LABEL org.opencontainers.image.vendor="Cowrie"
LABEL org.opencontainers.image.licenses="BSD-3-Clause"
LABEL org.opencontainers.image.ref.name=${TAG}
LABEL org.opencontainers.image.title="Cowrie SSH/Telnet Honeypot"
LABEL org.opencontainers.image.description="Cowrie SSH/Telnet Honeypot"
#LABEL org.opencontainers.image.base.digest="7beb0248fd81"
LABEL org.opencontainers.image.base.name="gcr.io/distroless/python3-debian12"

ENV COWRIE_GROUP=cowrie \
    COWRIE_USER=cowrie \
    COWRIE_HOME=/cowrie

#RUN groupadd -r ${COWRIE_GROUP} && \
#    useradd -r -d ${COWRIE_HOME} -m -g ${COWRIE_GROUP} ${COWRIE_USER}
COPY --from=builder --chown=0:0 /etc/passwd /etc/passwd
COPY --from=builder --chown=0:0 /etc/group /etc/group

#RUN export DEBIAN_FRONTEND=noninteractive; \
#    apt-get update && \
#    apt-get install -y \
#        -o APT::Install-Suggests=false \
#        -o APT::Install-Recommends=false \
#      libssl1.1 \
#      ca-certificates \
#      libffi7 \
#      procps \
#      python3 \
#      python3-distutils && \
#    rm -rf /var/lib/apt/lists/* && \
#    ln -s /usr/bin/python3 /usr/local/bin/python

COPY --from=builder --chown=${COWRIE_USER}:${COWRIE_GROUP} ${COWRIE_HOME} ${COWRIE_HOME}

RUN [ "python3", "-m", "compileall", "-q", "/cowrie/cowrie-git/src", "/cowrie/cowrie-env/", "/usr/lib/python3.11"]

VOLUME [ "/cowrie/cowrie-git/var", "/cowrie/cowrie-git/etc" ]

USER ${COWRIE_USER}
WORKDIR ${COWRIE_HOME}/cowrie-git

ENV PATH=${COWRIE_HOME}/cowrie-env/bin:${PATH}
ENV PYTHONPATH=${COWRIE_HOME}/cowrie-git/src
ENV PYTHONUNBUFFERED=1

RUN [ "python3", "/cowrie/cowrie-git/bin/regen-dropin.cache" ]

ENTRYPOINT [ "/cowrie/cowrie-env/bin/python3" ]
CMD [ "/cowrie/cowrie-env/bin/twistd", "-n", "--umask=0022", "--pidfile=", "cowrie" ]

EXPOSE 2222 2223