From 248919721cf9f34675f0b2b572d6d5af327b5036 Mon Sep 17 00:00:00 2001
From: Dawid Dziurla <dawidd0811@gmail.com>
Date: Sun, 22 Mar 2020 12:16:35 +0100
Subject: [PATCH] add testing Dockerfile and entrypoint script

---
 Dockerfile.test | 18 ++++++++++++++++++
 test.sh         | 12 ++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 Dockerfile.test
 create mode 100755 test.sh

diff --git a/Dockerfile.test b/Dockerfile.test
new file mode 100644
index 0000000..6d86374
--- /dev/null
+++ b/Dockerfile.test
@@ -0,0 +1,18 @@
+FROM alpine
+
+RUN apk -U add openssh-server openssh-sftp-server sudo python3
+RUN adduser -D user
+RUN passwd -u user
+RUN passwd -u root
+RUN echo "user ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers
+RUN echo "PasswordAuthentication no" > /etc/ssh/sshd_config
+RUN echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config
+RUN echo "AuthorizedKeysFile /etc/ssh/authorized_keys" >> /etc/ssh/sshd_config
+RUN echo "PermitRootLogin no" >> /etc/ssh/sshd_config
+RUN echo "Subsystem	sftp /usr/lib/openssh/sftp-server" >> /etc/ssh/sshd_config
+
+RUN ssh-keygen -A
+
+COPY test.sh /
+
+ENTRYPOINT ["/test.sh"]
diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..e63ead0
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+key="$SSH_PUBLIC_KEY"
+
+if test -z "$key"; then
+    echo "set SSH_PUBLIC_KEY environment variable first"
+    exit 1
+fi
+
+echo "$key" > /etc/ssh/authorized_keys
+
+exec /usr/sbin/sshd -D