Dockerfile

FROM alpine:3.18@sha256:02bb6f428431fbc2809c5d1b41eab5a68350194fb508869a33cb1af4444c9b11

RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
RUN apk add --update --no-cache \
    curl \
    iputils \
    python3 \
    shellinabox

COPY docker-entrypoint.sh /usr/bin
COPY dark.css /etc/shellinabox/dark.css

RUN addgroup -g 1001 deadman \
     && adduser -D -G deadman -u 1001 deadman

ENV DEADMAN_VERSION=d35b8280deb41d9973070e6555f15a6470e0407e
ENV DEADMAN_CHECKSUM=8aba191db395caf5317cc4ff9a37aa1b45ff24bbb49a0ba42cb98c0479680b23

RUN cd /home/deadman \
    && curl -fSsL "https://github.com/upa/deadman/archive/${DEADMAN_VERSION}.zip" \
            -o deadman.zip \
    && echo "${DEADMAN_CHECKSUM}  deadman.zip" | sha256sum -c - \
    && unzip "deadman.zip" \
    && rm -f "deadman.zip" \
    && mv "deadman-${DEADMAN_VERSION}" "deadman"

CMD ["/usr/bin/docker-entrypoint.sh"]

EXPOSE 4200
VOLUME /config