update RELEASE.md

RELEASE.md

@@ -1,20 +1,27 @@
-
-
 ## Perform a release
 
+```bash
+git checkout -b release/vx.x.x
+```
+
 in docekr devcontainer:
 
 ```bash
-cd /workspace && bundle install
+bundle install
+bundle clean --force
 
-cd /workspace && bundle exec bump patch --no-commit
+bundle exec bump patch --no-commit
 # or
-cd /workspace && bundle exec bump minor --no-commit
+bundle exec bump minor --no-commit
 # or
-cd /workspace && bundle exec bump major --no-commit
-
-cd /workspace && bundle exec rspec
-cd /workspace/spec/dummy && RAILS_ENV=test bundle exec rails mermaid_erd
+bundle exec bump major --no-commit
+
+cd /workspace/spec/dummy
+RAILS_ENV=test bundle exec rails db:setup
+cd /workspace/
+bundle exec rspec
+cd /workspace/spec/dummy
+RAILS_ENV=test bundle exec rails mermaid_erd
 cp -f /workspace/spec/dummy/mermaid_erd/index.html /workspace/docs/example.html
 chromium-browser --headless --disable-gpu --no-sandbox --window-size=1200,800 --hide-scrollbars --screenshot="/workspace/docs/screen_shot.png" /workspace/spec/dummy/mermaid_erd/index.html
 ```