Add basic docker cloud autotest

docker-compose.test.yml

@@ -0,0 +1,11 @@
+version: "3.4"
+
+services:
+
+  sut:
+    build: .
+    volumes:
+      - "./docker/run_tests.sh:/test/run_tests.sh"
+    entrypoint:
+      - /bin/sh
+      - /test/run_tests.sh

docker/docker_tests.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+$(tomo --help | grep -q tomo)