Rails Fundamentals Session Three

Rails Fundamentals Session Three

ActionMailer

1. To deliver the mail

   .deliver_now
   

2. Don’t make the user wait

   .deliver_later
   

3. Integrate with Active Job, using the sucker pucker adapter
   • Aside, config/initializer is used in rails to initialize many other types of libraries
4. sidekiq
5. rollbar etc

Asset Pipeline

1. Component responsible for managing
   • css
   • javascript
   • images
2. Sass - css with superpower
3. Coffeescript - superset of javascript

Q&A

• Q: do you guys directly define assets in the rails app this way for any repos?
• A: Many rails apps in fulfillment define their assets in this way, but specific styles are generally not necesary, the libraries that are used are
  1. bootstrap
  2. bluestrap (ember)
  3. pomster ui (ember)
• Q: Is pomster ui something BA specific? I didn’t find any info in the web

• A: yeah pomster was built internally :D

• Q: what’s bluestrap?

• A: bluestrap is the blue apron version of bootstrap, which pre-dated pomster

• Q: he’s trying to run his application in production environment, I looked away for like 5 seconds and I have no idea why he’s even trying to do that now
• A: he’s showing you the differences between production and development environments for static content.

Asset pipeline, compile javascript for production

• Minification
• Uglification
• Obfuscation
• Encryption

Other observations

Responsive Web

• He’s talking about Media Queries, try scaling the FES UI on a small screen, it is responsive http://fulfillment-engine.production.b–a.co

Heroku and goba

• Blue Apron 4 years ago was deployed through heroku
• PAT started in Heroku! then one year later we moved into aws :)
• Heroku has so many build packs, they also have like a 100 person devops team (probably more)
• ba config!
• goba was inspired by heroku cli