Dockerfile.alpine

###########################################
# Official Image Alpine with OpenSSH server
# Allow SSH connection to the container
# Installed: openssh-server, mc, htop, zip,
# tar, iotop, ncdu, nano, vim, bash, sudo
# for net: ping, traceroute, telnet, host,
# nslookup, iperf, nmap
###########################################

ARG IMAGE_VERSION="alpine:3.20"

FROM $IMAGE_VERSION
# Label docker image
ARG IMAGE_VERSION
MAINTAINER DevDotNet.Org <anton@devdotnet.org>
LABEL maintainer="DevDotNet.Org <anton@devdotnet.org>"
LABEL build_version="Image version:- ${IMAGE_VERSION}"

# Base
# Set the locale

ENV LANG en_US.UTF-8
ENV LANGUAGE en_US.UTF-8

# Password for ssh
ENV USER_PASSWORD=123456

# Copy to image
COPY copyables /

# Install
RUN apk update \
	&& apk add --no-cache --upgrade openssh-server \
# Utils
	&& apk add --no-cache --upgrade mc htop iotop ncdu tar zip nano vim bash sudo sed \
# Net utils
	&& apk add --no-cache --upgrade iputils paris-traceroute perl-net-telnet bind-tools iperf nmap \
# Deleting keys
	&& rm -rf /etc/ssh/ssh_host_dsa* /etc/ssh/ssh_host_ecdsa* /etc/ssh/ssh_host_ed25519* /etc/ssh/ssh_host_rsa* \
# Config SSH
	&& sed -ri "s|^#PermitRootLogin|PermitRootLogin|" /etc/ssh/sshd_config \
	&& sed -i "s|PermitRootLogin without-password|PermitRootLogin yes|" /etc/ssh/sshd_config \
	&& sed -i "s|PermitRootLogin prohibit-password|PermitRootLogin yes|" /etc/ssh/sshd_config \
	&& sed -ri "s|^#?PermitRootLogin\s+.*|PermitRootLogin yes|" /etc/ssh/sshd_config \
	&& sed -ri "s|^#PasswordAuthentication|PasswordAuthentication|" /etc/ssh/sshd_config \
	&& sed -ri "s|^PasswordAuthentication no|PasswordAuthentication yes|" /etc/ssh/sshd_config \
	&& sed -ri "s|UsePAM yes|#UsePAM yes|g" /etc/ssh/sshd_config \
# Folder Data
	&& mkdir -p /data \
#Cleaning
	&& rm -rf /var/lib/{apt,dpkg,cache,log}/ \
	&& rm -rf /var/lib/apt/lists/*.lz4 \
	&& rm -rf /var/log/* \	
	&& rm -rf /tmp/* \
	&& rm -rf /var/tmp/* \
	&& rm -rf /usr/share/doc/ \
	&& rm -rf /usr/share/man/ \	
	&& rm -rf /var/cache/apk/* \
	&& rm -rf $HOME/.cache \
	&& chmod +x /entrypoint.sh

# Port SSH
EXPOSE 22/tcp

ENTRYPOINT ["/entrypoint.sh"]

CMD ["/usr/sbin/sshd", "-D"]