Dockerfile for SSH

Dockerfile

FROM nginx:1.21.6-alpine

# Install OpenSSH and set the password for root to "Docker!". In this example, "apk add" is the install instruction for an Alpine Linux-based image.
RUN apk add openssh \
     && echo "root:Docker!" | chpasswd 

# Copy the sshd_config file to the /etc/ssh/ directory
COPY sshd_config /etc/ssh/

# Copy and configure the ssh_setup file
RUN mkdir -p /tmp
COPY ssh_setup.sh /tmp
RUN chmod +x /tmp/ssh_setup.sh \
    && (sleep 1;/tmp/ssh_setup.sh 2>&1 > /dev/null)

# Open port 2222 for SSH access
EXPOSE 80 2222

COPY 25-start-ssh.sh /docker-entrypoint.d
RUN chmod +x /docker-entrypoint.d/25-start-ssh.sh

COPY docs/ /usr/share/nginx/html/

ssh-setup.sh

#!/bin/sh

ssh-keygen -A

#prepare run dir
if [ ! -d "/var/run/sshd" ]; then
    mkdir -p /var/run/sshd
fi