# Debian Bullseye + node.js + Docker-in-Docker

FROM debian:bullseye

ENV SUDO_GROUP=sudo DOCKER_GROUP=docker DOCKER_TLS_CERTDIR=/certs

RUN set -eux; \
    apt-get update; \
    apt-get install -y --no-install-recommends git docker.io nodejs python3 ca-certificates net-tools openssl pigz xz-utils; \
    rm -rf /var/lib/apt/lists/*

RUN set -eux; \
    addgroup --system dockremap; \
    adduser --system --ingroup dockremap dockremap; \
    echo 'dockremap:165536:65536' >> /etc/subuid; \
    echo 'dockremap:165536:65536' >> /etc/subgid

# https://github.com/docker/docker/tree/master/hack/dind
ADD dind /usr/local/bin/dind

COPY dockerd-entrypoint.sh /usr/local/bin/

VOLUME /var/lib/docker
EXPOSE 2375 2376

ENTRYPOINT ["dockerd-entrypoint.sh"]
CMD []