Merge pull request #156 from terrastruct/alixander/examples

add examples folder in docs

README.md

@@ -70,6 +70,8 @@ defendants.chesscom -> hans: 72 page report of cheating
 
 <img src="./docs/assets/syntax.png" alt="D2 render example" />
 
+> For more examples, see [./docs/examples](./docs/examples).
+
 ## Quickstart
 
 The most convenient way to use D2 is to just run it as a CLI executable to

docs/examples/twitter/in.d2

@@ -0,0 +1,148 @@
+timeline mixer: "" {
+  explanation: |md
+    ## **Timeline mixer**
+    - Inject ads, who-to-follow, onboarding
+    - Conversation module
+    - Cursoring,pagination
+    - Tweat deduplication
+    - Served data logging
+  |
+}
+People discovery: "People discovery \nservice"
+admixer: Ad mixer {
+  fill: "#c1a2f3"
+}
+
+onboarding service: "Onboarding \nservice"
+timeline mixer -> People discovery
+timeline mixer -> onboarding service
+timeline mixer -> admixer
+container0: "" {
+  graphql
+  comment
+  tlsapi
+}
+container0.graphql: GraphQL\nFederated Strato Column {
+  shape: image
+  icon: https://upload.wikimedia.org/wikipedia/commons/thumb/1/17/GraphQL_Logo.svg/1200px-GraphQL_Logo.svg.png
+}
+container0.comment: |md
+  ## Tweet/user content hydration, visibility filtering
+|
+container0.tlsapi: TLS-API (being deprecated)
+container0.graphql -> timeline mixer
+timeline mixer <- container0.tlsapi
+twitter fe: "Twitter Frontend " {
+  icon: https://icons.terrastruct.com/social/013-twitter-1.svg
+  shape: image
+}
+twitter fe -> container0.graphql: iPhone web
+twitter fe -> container0.tlsapi: HTTP Android
+web: Web {
+  icon: https://icons.terrastruct.com/azure/Web%20Service%20Color/App%20Service%20Domains.svg
+  shape: image
+}
+
+Iphone: {
+  icon: 'https://ss7.vzw.com/is/image/VerizonWireless/apple-iphone-12-64gb-purple-53017-mjn13ll-a?$device-lg$'
+  shape: image
+}
+Android: {
+  icon: https://cdn4.iconfinder.com/data/icons/smart-phones-technologies/512/android-phone.png
+  shape: image
+}
+
+web -> twitter fe
+timeline scorer: "Timeline\nScorer" {
+  fill: "#ffdef1"
+}
+home ranker: Home Ranker
+
+timeline service: Timeline Service
+timeline mixer -> timeline scorer: Thrift RPC
+timeline mixer -> home ranker: {
+  style.stroke-dash: 4
+  style.stroke: "#000E3D"
+}
+timeline mixer -> timeline service
+home mixer: Home mixer {
+  # fill: "#c1a2f3"
+}
+container0.graphql -> home mixer: {
+  style.stroke-dash: 4
+  style.stroke: "#000E3D"
+}
+home mixer -> timeline scorer
+home mixer -> home ranker: {
+  style.stroke-dash: 4
+  style.stroke: "#000E3D"
+}
+home mixer -> timeline service
+manhattan 2: Manhattan
+gizmoduck: Gizmoduck
+socialgraph: Social graph
+tweetypie: Tweety Pie
+home mixer -> manhattan 2
+home mixer -> gizmoduck
+home mixer -> socialgraph
+home mixer -> tweetypie
+Iphone -> twitter fe
+Android -> twitter fe
+prediction service2: Prediction Service {
+  shape: image
+  icon: https://cdn-icons-png.flaticon.com/512/6461/6461819.png
+}
+home scorer: Home Scorer {
+  fill: "#ffdef1"
+}
+manhattan: Manhattan
+memcache: Memcache {
+  icon: https://d1q6f0aelx0por.cloudfront.net/product-logos/de041504-0ddb-43f6-b89e-fe04403cca8d-memcached.png
+}
+
+fetch: Fetch {
+  multiple: true
+  shape: step
+}
+feature: Feature {
+  multiple: true
+  shape: step
+}
+scoring: Scoring {
+  multiple: true
+  shape: step
+}
+fetch -> feature
+feature -> scoring
+
+prediction service: Prediction Service {
+  shape: image
+  icon: https://cdn-icons-png.flaticon.com/512/6461/6461819.png
+}
+scoring -> prediction service
+fetch -> container2.crmixer
+
+home scorer -> manhattan: ""
+
+home scorer -> memcache: ""
+home scorer -> prediction service2
+home ranker -> home scorer
+home ranker -> container2.crmixer: Candidate Fetch
+container2: "" {
+  style.stroke: "#000E3D"
+  style.fill: "#ffffff"
+  crmixer: CrMixer {
+    style.fill: "#F7F8FE"
+  }
+  earlybird: EarlyBird
+  utag: Utag
+  space: Space
+  communities: Communities
+}
+etc: ...etc
+
+home scorer -> etc: Feature Hydration
+
+feature -> manhattan
+feature -> memcache
+feature -> etc: Candidate sources