FROM golang:alpine as build
RUN apk update
RUN apk upgrade
RUN apk add --no-cache build-base
COPY . /app
WORKDIR /app
ARG version
RUN VERSION=$version make build

FROM alpine:latest
RUN apk update
RUN apk upgrade
RUN apk add --no-cache git openssh
COPY --from=build /app/bin /app/bin
RUN ln -s /app/bin/goit-shell /usr/local/bin/goit-shell
RUN ssh-keygen -A
RUN sed -i 's/^#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config
RUN addgroup -g 973 -S git
RUN adduser -g git -s /bin/sh -G git -S -u 973 git
RUN sed -i 's/^git:!:/git:*:/' /etc/shadow
RUN mkdir -p /home/git/.config /home/git/.local/share /home/git/.local/state
RUN chown -R git:git /home/git/.config /home/git/.local
WORKDIR /app
EXPOSE 8080
EXPOSE 22
VOLUME /etc/goit /var/lib/goit /var/log/goit

RUN cat <<EOF > /app/bin/launch.sh
#!/bin/sh -e
/usr/sbin/sshd -D &
su git -c "/app/bin/goit \$@"
EOF

ENTRYPOINT ["sh", "/app/bin/launch.sh"]