Modular Monolith Go Server with GraphQL Federation + gRPC

Transcript

1. Modular Monolith Go Server with GraphQL Federation + gRPC @yuki.ito
2. newmo Architect Yuki Ito @mrno110
3. We are Hiring!!!
4. Agenda ✅ API Architecture ✅ Go Modular Monolith (+ Monorepo)
5. GraphQL + gRPC
6. GraphQL + gRPC
7. Why GraphQL? ✅ Ecosystem ✅ Federation ✅ Declarative
8. Why GraphQL? ✅ Ecosystem ✅ Federation ✅ Declarative
9. Evolution of API Architecture (by Netflix) https://netflixtechblog.com/how-netflix-scales-its-api-with-graphql-federation-part-1-ae3557c187e2
10. Evolution of API Architecture (by Netflix) https://netflixtechblog.com/how-netflix-scales-its-api-with-graphql-federation-part-1-ae3557c187e2
11. Evolution of API Architecture (by Netflix) https://netflixtechblog.com/how-netflix-scales-its-api-with-graphql-federation-part-1-ae3557c187e2
12. Evolution of API Architecture (by Netflix) https://netflixtechblog.com/how-netflix-scales-its-api-with-graphql-federation-part-1-ae3557c187e2
13. GraphQL - Direct Access
14. GraphQL - Direct Access type Driver { id: ID! name: String! } type Vehicle { id: ID! driverId: String! }
15. GraphQL - Direct Access ❌ Round Trips ❌ Aggregation Logics reside Web/Mobile side
16. GraphQL - Aggregation
17. GraphQL - Aggregation type Driver { id: ID! name: String! vehicles: [Vehicle!]! }
18. GraphQL - Aggregation ❌ Initiative ❌ Independence ❌ Autonomy
19. GraphQL - Federation
20. GraphQL - Federation type Driver @key(fields: "id") { id: ID! name: String! } type Driver @key(fields: "id") { id: ID! vehicles: [Vehicle!]! } type Vehicle { id: ID! } type Driver { id: ID! name: String! vehicles: [Vehicle!]! } +
21. GraphQL - Federation API Gateway Vehicle GraphQL GraphQL Federation (Apollo Router) Driver GraphQL Platform Business
22. gqlgen https://gqlgen.com/
23. gqlgen type Driver @key(fields: "id") { id: ID! name: String! } type QueryResolver interface { Driver(ctx context.Context) (*Driver, error) } type EntityResolver interface { FindDriverByID(ctx context.Context, id string) (*Driver, error) }
24. Go Components
25. Go Components
26. Modular Monolith ... splitting applications into independently deployable microservices is not without its challenges, some of which directly contradict the benefits. Towards Modern Development of Cloud Applications Google (ServiceWeaver) https://dl.acm.org/doi/10.1145/3593856.3595909 ... Write monolithic applications that are modularized into logically distinct components.
27. Go Modular Monolith Application Component Component Component
28. Modular Monolith - Application func main() { app.Run(application) } func application(ctx context.Context, a *app.Application) error { a.AddComponent("driver", driver.Component) a.AddComponent("vehicle", passenger.Component) return a.Run(ctx) }
29. Modular Monolith - Component func Component(ctx context.Context, c *app.Component) error { env := new(environments) err := c.LoadEnvironments(env) db, err := c.GetDatabase(ctx) // ... c.AddGraphQLHandler(/*...*/) c.AddGRPCService(/*...*/) return c.Run(ctx) }
30. Go Modular Monolith Application Component Component Component HTTP (GraphQL) Server gRPC Server
31. Architecture
32. We are Hiring!!!