Update publish script

Makefile

@@ -23,9 +23,14 @@ docker:
 #
 # Run goreleaser to build and upload release binaries
 #
+V =
 .PHONY: release
 release:
+	test -n "$(V)" # Version is required
+	- git tag --delete v$(V)
+	git tag v$(V)
 	goreleaser --rm-dist
+	git push origin --tags
 
 #
 # Pull GolangCI-Lint dependency

README.md

@@ -101,12 +101,7 @@ $ docker-compose up
 
 ## How to make a release
 
-- Add and push version tag
+Just run:
   ```
-  $ git tag -a v0.1.0 -m "First release"
-  $ git push origin --tags
-  ```
-- Run GoReleaser at the root of your repository:
-  ```
-  $ make release
+  $ make release V=2.0.7
   ```