Merge pull request #5 from foss-ag/feature/release_on_tags

.travis.yml

@@ -15,4 +15,4 @@ deploy:
   provider: script
   script: ./deploy.sh
   on:
-    branch: public
+    tags: true

README.md

 # Hack'n'Snack
-This repository contains all the stuff from which hackandsnack.de is generated. The website (HTML files) isn't included here, but are autogenerated when pushing onto the 'public' branch.
+This repository contains all the stuff from which hackandsnack.de is generated. The website (HTML files) isn't included here, but are 
+autogenerated when pushing a new tag to the repository.
 
 ## Preparations
 - First of all [install Hugo](https://gohugo.io/overview/installing/)
@@ -29,14 +30,10 @@ hugo undraft /post/name_of_your_post.md
 ```
 
 ## How to make the changes public
-- Once you are satisfied, checkout the public branch and merge the changes:
+- Once you are satisfied, create a tag with a v + ISO-Date and push it:
+> git tag v2019-04-30
+> git push --tags
 
-```
-git checkout public
-git merge master
-```
-- Then, push your changes directly to the repository if you have permissions.
-- If you do not have permissions, add the post as a PR to the project.
-- Change back to the master branch once done.
+- If you do not have permissions, add the post in a new branch as a PR to the project.
 
 Done! You've added a new post to hackandsnack.de. Conlaturations!