# apollo-prometheus-plugin

**Repository Path**: mirrors_tomasAlabes/apollo-prometheus-plugin

## Basic Information

- **Project Name**: apollo-prometheus-plugin
- **Description**: An Apollo Plugin for Prometheus metrics  
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-09-26
- **Last Updated**: 2025-09-14

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Apollo Prometheus Plugin

Fork with support for latest `prom-client` versions.

## Install

`npm install @talabes/apollo-prometheus-plugin`

`yarn add @talabes/apollo-prometheus-plugin`

## Usage

```typescript
import { ApolloServer, gql } from 'apollo-server-express';
import { prometheusPlugin } from 'apollo-prometheus-plugin';
import { Registry } from 'prom-client';
import { prometheusPlugin } from '@talabes/apollo-prometheus-plugin';

const register = new Registry();

const app = express();

app.get('/metrics', (_, res) => res.send(register.metrics()));

const server = new ApolloServer({
  typeDefs,
  resolvers,
  plugins: [prometheusPlugin(register, { enableNodeMetrics: true })],
});

server.applyMiddleware({ app, path: '/' });
app.listen({ port: 8080 }, () => {
  console.log('Listening');
});
```

## Available metrics and labels

| metric               | type      | labels                                |
| -------------------- | --------- | ------------------------------------- |
| errors_encountered   | Counter   | operationName <br>operation <br>error |
| requests_resolved    | Counter   | operationName<br>operation            |
| attributes_requested | Counter   | fieldName<br>parentType               |
| resolver_time        | Histogram | fieldName<br>parentType<br>returnType |
| total_request_time   | Histogram | operationName<br>operation            |