FROM alpine:latest

ENV USER=borg
ENV UID=1000
ENV GID=1000

# Add Folders and Shell Scripts
VOLUME ["/.ssh"]
VOLUME ["/backup"]
COPY motd.txt /etc/motd
COPY entrypoint.sh /

# Install packages
RUN apk update ; apk upgrade
RUN apk add --no-cache sudo bash tzdata openssh-server openrc \
    borgbackup

# Setup SSH-Server
RUN sed -ie 's/#Port 22/Port 22/g' /etc/ssh/sshd_config
RUN sed -ie 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/g' /etc/ssh/sshd_config
RUN sed -ie 's/#PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config

EXPOSE 22
ENTRYPOINT [ "/entrypoint.sh" ]