title: "Social Feed: Add Recommendation Engine" summary: "Your social media platform needs personalized content! Add a Recommendation component to the FeedService container that suggests posts based on user interests." difficulty: beginner topic: components estimatedTime: "5-10 min" initialDsl: | person = kind "Person" system = kind "System" container = kind "Container" component = kind "Component" database = kind "Database"
User = person "Social Media User"
SocialApp = system "Social App" { FeedService = container "Feed Service" { technology "Python, FastAPI" // TODO: Add component Recommendation "Recommendation Engine" here } UserDB = database "MongoDB" }
User -> SocialApp.FeedService "Views feed" SocialApp.FeedService -> SocialApp.UserDB "Queries user data" checks:
- type: noErrors message: "DSL parsed successfully"
- type: elementExists name: Recommendation message: "Create Recommendation component in FeedService" hints:
- "Components are defined inside containers using curly braces"
- 'Add component Recommendation "Recommendation Engine" inside the FeedService block'
- "Make sure to open the FeedService container block with { before adding the component" solution: | person = kind "Person" system = kind "System" container = kind "Container" component = kind "Component" database = kind "Database"
User = person "Social Media User"
SocialApp = system "Social App" { FeedService = container "Feed Service" { technology "Python, FastAPI" Recommendation = component "Recommendation Engine" } UserDB = database "MongoDB" }