updated README

README.md

@@ -10,3 +10,18 @@
 * run *build_script.sh* (as the correct user (e.g. on somet setups *root*))
 * run *run_script.sh* (as the correct user (e.g. on some setups *root*))
 * connect to the DCPValidator via *http://localhost:8080*
+
+# Update
+
+* Stop the docker container (*sudo docker stop dcpvalidator; sudo docker rm dcpvalidator*)
+* Get the newest .deb from https://www.zweib.com/portfolio/medienproduktion/dcp-validator/
+* Move it to *./DCPValidator/*
+* Change the *COPY* line in the Dockerfile (*./DCPValidator/Dockerfile*) to point to the new .deb package
+* run *build_script.sh*
+* run *run_script.sh*
+
+
+# Hints
+
+* Docker documentation: https://docs.docker.com/
+* Docker cheat sheet: https://docs.docker.com/