Add Dockerfile (fixes #53)

Change-Id: Ide59e9417dd11b69960d62ecac6068bb6ceaca40
diff --git a/Changes b/Changes
index 6987378..bf5ef59 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,7 @@
     - Exclude module-info in pom (removes warning)
     - Remove unnecessary imports
     - Update deprecated Configuration constructor
+    - Add Dockerfile.
 
 0.2.8 2022-10-05
     - Upgrade dependencies following dependabot.