Update docs

README.md

@@ -21,3 +21,15 @@ services:
       - 8099:8099
     restart: unless-stopped
 ```
+
+## Push to Docker repo
+
+Build certain version, tag it as latest, and push to private Docker registry:
+
+```
+docker build -t statping_homer:2.0 .
+docker tag statping_homer:2.0 192.168.88.50:5000/statping_homer:2.0
+docker tag statping_homer:2.0 192.168.88.50:5000/statping_homer:latest
+docker push 192.168.88.50:5000/statping_homer:2.0
+docker push 192.168.88.50:5000/statping_homer:latest
+```