Node: Add node image

This commit adds support for node.js into our docker infra. It uses
alpine, and is based of
https://hub.docker.com/_/node.

Signed-off-by: Benjamin Copeland <ben.copeland@linaro.org>
Change-Id: Ie2322c27fd259b021b14a3363c1fa2657ef98701
diff --git a/alpine10-node-tf-a/Dockerfile b/alpine10-node-tf-a/Dockerfile
new file mode 100644
index 0000000..693a100
--- /dev/null
+++ b/alpine10-node-tf-a/Dockerfile
@@ -0,0 +1,16 @@
+FROM node:10-alpine
+
+COPY setup-sshd /usr/sbin/setup-sshd
+
+RUN set -e ;\
+    # install deps ;\
+    apk add openssh bash sudo ;\
+    # Setup buildslave user for Jenkins ;\
+    adduser buildslave -D -s /bin/bash ;\
+    echo 'buildslave ALL = NOPASSWD: ALL' > /etc/sudoers.d/jenkins ;\
+    chmod 0440 /etc/sudoers.d/jenkins ;\
+
+USER buildslave
+
+EXPOSE 22
+ENTRYPOINT ["/usr/sbin/setup-sshd"]