Add more instructions to RELEASING_RAILS

RELEASING_RAILS.md

@@ -46,6 +46,10 @@ branch.
 
 ## Day of release
 
+If making multiple releases. Publish them in order from oldest to newest, to
+ensure that the "greatest" version also shows up in NPM and GitHub Releases as
+"latest".
+
 ### Put the new version in the RAILS_VERSION file.
 
 Include an RC number if appropriate, e.g. `6.0.0.rc1`.
@@ -59,6 +63,21 @@ browser.
 This will stop you from looking silly when you push an RC to rubygems.org and
 then realize it is broken.
 
+### Check credentials for RubyGems, npm, and GitHub
+
+For npm run `npm whoami` to check that you are logged in (`npm login` if not).
+
+For RubyGems run `gem login`. If there's no output you are logged in.
+
+For GitHub run `gh auth status` to check that you are logged in (run `gh login` if not).
+
+npm and RubyGems require MFA. The release task will attempt to use a yubikey if
+available, which as we have release several packages at once is strongly
+recommended. Check that `ykman oath accounts list` has an entry for both
+`npmjs.com` and `rubygems.org`, if not refer to
+https://tenderlovemaking.com/2021/10/26/publishing-gems-with-your-yubikey.html
+for setup instructions.
+
 ### Release to RubyGems and npm.
 
 IMPORTANT: Several gems have JavaScript components that are released as npm
@@ -79,6 +98,17 @@ Run `rake release`. This will populate the gemspecs and npm package.json with
 the current RAILS_VERSION, commit the changes, tag it, and push the gems to
 rubygems.org.
 
+### Make GitHub Releases from pushed tags
+
+We use GitHub Releases to publish the combined release summary for all gems. We
+can use a rake task and [GitHub cli](https://cli.github.com/) to do this
+(releases can also be created or edited on the web).
+
+```
+bundle exec rake changelog:release_summary > ../6-1-7-release-summary.md
+gh release create v6.1.7 -R rails/rails -F ../6-1-7-release-summary.md
+```
+
 ### Send Rails release announcements
 
 Write a release announcement that includes the version, changes, and links to
@@ -105,10 +135,29 @@ break existing applications.
 
 ### Post the announcement to the Rails blog.
 
-If you used Markdown format for your email, you can just paste it into the
-blog.
+The blog at https://rubyonrails.org/blog is built from
+https://github.com/rails/website.
 
-* https://rubyonrails.org/blog
+Create a file named like
+`_posts/$(date +'%F')-Rails-<versions>-have-been-released.markdown`
+
+Add YAML frontmatter
+```
+---
+layout: post
+title: 'Rails <VERSIONS> have been released!'
+categories: releases
+author: <your handle>
+published: true
+date: <YYYY-MM-DD or `date +%F`>
+---
+```
+
+Use the markdown generated by `rake announce` earlier as a base for the post.
+Add some context for users as to the purpose of this release (bugfix/security).
+
+If this is a part of the latest release series, update `_data/version.yml` so
+that the homepage points to the latest version.
 
 ### Post the announcement to the Rails Twitter account.