diff --git a/watchdog/README.md b/watchdog/README.md
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--- /dev/null
+++ b/watchdog/README.md
@@ -0,0 +1,6 @@
+# ./build.sh
+# docker build -t catservice .
+# docker run -ti -p 8080:8080 catservice
+
+# curl -X POST --data-binary @main.go localhost:8080
+