First commit

Dockerfile

@@ -0,0 +1,16 @@
+FROM alpine
+
+RUN apk add --update openssh
+
+COPY sshd_config /etc/ssh/sshd_bastion_config
+RUN echo "Include /etc/ssh/sshd_bastion_config" >> /etc/ssh/sshd_config
+
+RUN adduser -D -s /bin/sh -H bastion
+RUN passwd -u -d bastion
+
+EXPOSE 2222
+
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]