From Service
To Service
Techno
Checkout
Email
gRPC (send mail)
Checkout
Payment
gRPC (charge card)
Checkout
Shipping
gRPC (ship order, Get shipping quote)
Checkout
ProductCatalog
gRPC (GetProduct)
Checkout
Cart
gRPC (get/empty usercart)
Checkout
Currency
gRPC
Recommendation
ProductCatalog
gRPC (ListProducts)
Cart
CACHE REDIS
Frontend
Ad
gRPC
Frontend
Checkout
gRPC
Frontend
Shipping
gRPC
Frontend
Currency
gRPC
Frontend
ProductCatalog
gRPC
Frontend
Recommendation
gRPC
Frontend
Cart
gRPC
2. dotnet-architecture/eShopOnContainers Most communications between microservices are decoupled using the EventBus and the "pub/sub" pattern.
However, the communications between the custom aggregators and the internal microservices is currently implemented with gRPC
as said here .
| Basket | Catalog |
| Basket | Order |
| Basket | Identity |
| Order | Identity |
| Marketing | Location |
| Marketing | Identity |
Extracted from here
Cart
REDIS, Manage (get, delete, update, rename, create, update qty) Cart and add shipping (https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/cart/server.js#L71 )
Cart
Catalogue
HTTP get product details (https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/cart/server.js#L348 )
Catalog
MongoDB
Payment
User
Check user exists https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/payment/payment.py#L69
Payment
Order
RabbitMQ, queue the order https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/payment/payment.py#L106
Payment
Order
HTTP, add order to history https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/payment/payment.py#L111
Payment
Cart
HTTP delete cart https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/payment/payment.py#L121
Rating
Catalogue
HTTP (curl) check item exists https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/ratings/html/api.php#L144
Shipping
Cart
HTTP https://github.com/jacobkrueger/SPLC2020-Microservices-Challenge/blob/2bd5564638483967987f20b3a1a1ed945a6a6be2/shipping/src/main/java/org/steveww/spark/Main.java#L227
User
REDIs anonymous user
User
Mongo
Manage user, user's profile, user's order history,
4. Microservices-demo/microservices-demo -> All services communicate using REST
-> Shipping send orders to a queue for sending them out
| Cart | | Catalogue |
| User | |Cart |
| User | |Order |
| Order | |Payment |
| Order | |Shippinh |
5. sczyh30/vertx-blueprint-microservice | Inventory | | Redis |
| User | | MySQL / Rest |
| Product | | MySQL/ Rest |
| Store | | Mongo/ Rest |
| Order | | MySQL |
| Inventory | | Redis / Rest |
| Product | Inventory | |
=> RPC on eventbus + bidirectionnal Rest
From
To
because
Checkout
Catalog
remove product in catalog
Checkout
Payment
make payment
Payment
Notification
payment completed
Payment
Email
payment completed
Checkout
Order
Checkout, order status ; compensate order status
Everything is done via Saga pattern (a service registry that acts as an orchestrator here (not a choregraphy).)
