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E-Commerce Microservices Backend with GraphQL Gateway

Build a small e-commerce backend split into products, orders, and users microservices, unified behind a GraphQL gateway that composes their schemas. Learners practice TypeScript across service boundaries with shared typed contracts, GraphQL schema federation, and inter-service communication.

Estimate
~14.5h
Steps
6
Completed by
0
Proposed by
codeseed.app

Apollo Federation · GraphQL · Express · Docker

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Project roadmap

  1. 01

    Build the products subgraph

    ~2.5h

    Implement a standalone products microservice exposing a GraphQL subgraph.

  2. 02

    Build the orders and users subgraphs

    ~3h

    Implement orders and users microservices, each with their own GraphQL subgraph.

  3. 03

    Set up the Apollo Federation gateway

    ~2.5h

    Compose the three subgraphs behind a single Apollo Federation gateway.

  4. 04

    Implement cross-service resolvers

    ~2.5h

    Implement federated resolvers so an order can reference its product and user across services.

  5. 05

    Containerize with Docker Compose

    ~2h

    Package all services and the gateway with a Docker Compose setup.

  6. 06

    Write end-to-end tests

    ~2h

    Write tests that query the composed gateway across service boundaries.

Resources

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~14.5h · 6 steps

Tech stack

Apollo FederationGraphQLExpressDocker