[METAL-2274] Add dockerfile for build setup

Damian Peckett · Damian Peckett · commit aaa8fb2d210f · 2021-05-11T11:20:03.000+02:00
diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,3 @@
+FROM alpine:3.13
+
+RUN echo 'hello world' > /etc/motd
