"Real" test with docker building

.woodpecker/build-docker.yml

@@ -1,9 +1,10 @@
-#test comment
 pipeline:
+  compile:
+    image: rust
+    commands:
+    - cargo build
+
   build:
     image: rust
     commands:
-    - ls
+    - docker build .
-    - pwd
-    # - uname
-    #- docker build .