golem-shopping

Project representing simple shopping application with components: product, pricing, cart and order. Application is written in Rust and aim to be run on golem

Components and Workers

• pricing
  • worker - per product, worker name: id of product
  • api
• product
  • worker - per product, worker name: id of product
  • api
• cart
  • worker - per user/customer (there is always only one cart per user), worker name: id of user/customer
  • api
  • dependencies:
    • pricing
    • product
    • order
• order
  • worker - per order, worker name: id of order
  • api
  • dependencies:
    • pricing
    • product
• product-search
  • worker - per request
  • api
  • dependencies:
    • product

Components have implementation for snapshots based updates of golem workers

REST APIs are provided by golem workers api gateway

Commands

release build of all components

golem-cli app build

deploy components with golem-cli

golem-cli app deploy

get component data with golem-cli

golem-cli component get golem:product
golem-cli component get golem:pricing
golem-cli component get golem:order
golem-cli component get golem:cart
golem-cli component get golem:product-search

add cart worker with golem-cli

golem-cli worker new golem:cart/user001

upgrade cart workers of component with golem-cli

golem-cli component update-workers golem:cart --update-mode manual

invocation of worker functions with golem-cli

golem-cli worker invoke golem:cart/user001 golem:cart-exports/api.{get}
golem-cli worker invoke golem:product/p001 golem:product-exports/api.{get} 
golem-cli worker invoke golem:pricing/p001 golem:pricing-exports/api.{get} 
golem-cli worker invoke golem:product-search/- golem:product-search-exports/api.{search} '"brand:\"Brand C\""'

References

• benchmark

golem documentation:

• golem rust setup
• golem docker deployment
• snapshots based update of golem workers
• golem worker to worker communication
• wasm interface type - wit