Mikrotik linux docker files

Dockerfile.alpine

FROM alpine

RUN apk update && \
    apk upgrade && \
    apk add openssh-server htop curl wget iperf3 vim && \
    rm -rf /var/cache/apk

RUN cat /etc/ssh/sshd_config | grep -v "^#" | grep -v "^$" > /sshd_config && \
    echo "PermitRootLogin yes" >> /sshd_config && \
    echo "PrintMotd no" >> /sshd_config && \
    rm -rf /etc/ssh /root && \
    ln -s /data/ssh /etc/ssh && \
    ln -s /data/root /root && \
    ln -s /data/log /var/log

ENTRYPOINT /entry.sh
VOLUME /data

COPY ./entry.sh /

Dockerfile.alpine-slim

FROM alpine

RUN apk update && \
    apk upgrade && \
    apk add openssh-server && \
    rm -rf /var/cache/apk

RUN cat /etc/ssh/sshd_config | grep -v "^#" | grep -v "^$" > /sshd_config && \
    echo "PermitRootLogin yes" >> /sshd_config && \
    echo "PrintMotd no" >> /sshd_config && \
    rm -rf /etc/ssh /root && \
    ln -s /data/ssh /etc/ssh && \
    ln -s /data/root /root && \
    ln -s /data/log /var/log

ENTRYPOINT /entry.sh
VOLUME /data

COPY ./entry.sh /

Dockerfile.debian

FROM debian:11

RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install openssh-server zsh tmux aria2 htop pv speedtest-cli vim curl wget netcat iperf3 iputils-ping iputils-tracepath iputils-arping iproute2 -y && \
    rm -rf /var/lib/apt

RUN cat /etc/ssh/sshd_config | grep -v "^#" | grep -v "^$" > /sshd_config && \
    echo "PermitRootLogin yes" >> /sshd_config && \
    echo "" > /etc/motd && \
    rm -rf /etc/ssh /root && \
    mkdir -p /run/sshd && \
    ln -s /data/ssh /etc/ssh && \
    ln -s /data/root /root && \
    ln -s /data/log /var/log

ENTRYPOINT /entry.sh
VOLUME /data

COPY ./entry.sh /

entry.sh

#!/bin/sh
set -e

PASSWD=${PASSWD:-letmein}

echo "Initializing env..."
mkdir -p /data/ssh /data/root /data/log
touch /var/log/wtmp
chmod 0664 /var/log/wtmp
chown root:utmp /var/log/wtmp

echo "Generating server keys..."
ssh-keygen -A

echo "Setting password for root user..."
echo "Password: $PASSWD"
echo "root:${PASSWD}" | chpasswd

echo "Starting ssh server..."
/usr/sbin/sshd -eD -f /sshd_config%