ufw-docker/Dockerfile

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Docker
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FROM ubuntu:24.04
ARG docker_version="27.3.1"
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
&& apt-get install -y ca-certificates curl gnupg lsb-release \
&& mkdir -p /etc/apt/keyrings \
&& curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
&& echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg]" \
"https://download.docker.com/linux/ubuntu" "$(lsb_release -cs) stable" \
| tee /etc/apt/sources.list.d/docker.list > /dev/null \
&& apt-get update \
&& apt-get install -y --no-install-recommends locales ufw \
&& apt-get install -y --no-install-recommends "docker-ce=$(apt-cache madison docker-ce | grep -m1 -F "${docker_version}" | cut -d'|' -f2 | tr -d '[[:blank:]]')" \
&& locale-gen en_US.UTF-8 \
&& apt-get clean autoclean \
&& apt-get autoremove --yes \
&& rm -rf /var/lib/{apt,dpkg,cache,log}/
ADD ufw-docker docker-entrypoint.sh /usr/bin/
ENTRYPOINT ["/usr/bin/docker-entrypoint.sh"]
CMD ["start"]
ADD LICENSE README.md /