---
name: apollo-server-102d70d4d505
description: Apollo Server configuration, plugins, caching, federation, and performance optimization.
allowed-tools: Read, Write, Edit, Bash, Glob, Grep
graph:
  domains: [domain:web-development]
  specializations: [specialization:web-development]
  skillAreas: [skill-area:graphql-schema-design, skill-area:backend-api-design]
  roles: [role:backend-engineer, role:fullstack-engineer]
  topics: [topic:graphql-schema-design, topic:api-design]

---

# Apollo Server Skill

Expert assistance for implementing GraphQL APIs with Apollo Server.

## Capabilities

- Configure Apollo Server with Express/Fastify
- Implement plugins for logging and metrics
- Set up caching strategies
- Build Apollo Federation gateways
- Handle authentication context
- Optimize performance with persisted queries

## Usage

Invoke this skill when you need to:
- Set up Apollo Server
- Implement caching
- Build federated services
- Add custom plugins
- Configure subscriptions

## Patterns

### Basic Setup

```typescript
import { ApolloServer } from '@apollo/server';
import { expressMiddleware } from '@apollo/server/express4';
import { ApolloServerPluginDrainHttpServer } from '@apollo/server/plugin/drainHttpServer';
import express from 'express';
import http from 'http';
import cors from 'cors';
import { typeDefs } from './schema';
import { resolvers } from './resolvers';
import { createContext } from './context';

async function startServer() {
  const app = express();
  const httpServer = http.createServer(app);

  const server = new ApolloServer({
    typeDefs,
    resolvers,
    plugins: [ApolloServerPluginDrainHttpServer({ httpServer })],
  });

  await server.start();

  app.use(
    '/graphql',
    cors(),
    express.json(),
    expressMiddleware(server, {
      context: createContext,
    })
  );

  await new Promise<void>((resolve) =>
    httpServer.listen({ port: 4000 }, resolve)
  );

  console.log('Server ready at http://localhost:4000/graphql');
}
```

### Context and Authentication

```typescript
import { PrismaClient } from '@prisma/client';
import jwt from 'jsonwebtoken';

const prisma = new PrismaClient();

export interface Context {
  prisma: PrismaClient;
  user: { id: string; role: string } | null;
}

export async function createContext({ req }): Promise<Context> {
  const token = req.headers.authorization?.replace('Bearer ', '');
  let user = null;

  if (token) {
    try {
      user = jwt.verify(token, process.env.JWT_SECRET!) as Context['user'];
    } catch {}
  }

  return { prisma, user };
}
```

## Best Practices

- Use plugins for cross-cutting concerns
- Implement proper error formatting
- Set up response caching
- Use DataLoader for batching

## Target Processes

- graphql-api-development
- apollo-federation
- api-development


---
Source attribution: a5c-ai
Original project: https://github.com/a5c-ai/babysitter
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Dave AI.

## Upstream license notice

MIT License

Copyright (c) 2026 Gabriel Moreira

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Dave AI resource metadata

Creator / publisher: a5c-ai
Original project: https://github.com/a5c-ai/babysitter
Attribution basis: Upstream repository explicitly recorded in package mirror path

Fields of work: Development & Engineering, Product Management
Roles: Backend Developer, Growth Product Manager, Product Manager
Specialties: API, Backend, Cross Platform
Tools: Apollo Server
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: a7bf759a5c28fd13f79b5b4c031da06432eb51b8b6f8147fd0651e1e3f9387b9