128 lines
4.5 KiB
Markdown
128 lines
4.5 KiB
Markdown
# A GraphQL server library implemented in Rust
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<div align="center">
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<!-- CI -->
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<img src="https://github.com/async-graphql/async-graphql/workflows/CI/badge.svg" />
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<!-- codecov -->
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<img src="https://codecov.io/gh/async-graphql/async-graphql/branch/master/graph/badge.svg" />
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<!-- Crates version -->
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<a href="https://crates.io/crates/async-graphql">
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<img src="https://img.shields.io/crates/v/async-graphql.svg?style=flat-square"
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alt="Crates.io version" />
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</a>
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<!-- Downloads -->
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<a href="https://crates.io/crates/async-graphql">
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<img src="https://img.shields.io/crates/d/async-graphql.svg?style=flat-square"
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alt="Download" />
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</a>
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<!-- docs.rs docs -->
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<a href="https://docs.rs/async-graphql">
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<img src="https://img.shields.io/badge/docs-latest-blue.svg?style=flat-square"
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alt="docs.rs docs" />
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</a>
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</div>
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`Async-graphql` is a high-performance server-side library that supports all GraphQL specifications.
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* [Feature Comparison](feature-comparison.md)
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* [Book](https://async-graphql.github.io/async-graphql/en/index.html)
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* [中文文档](https://async-graphql.github.io/async-graphql/zh-CN/index.html)
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* [Docs](https://docs.rs/async-graphql)
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* [GitHub repository](https://github.com/async-graphql/async-graphql)
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* [Cargo package](https://crates.io/crates/async-graphql)
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* Minimum supported Rust version: 1.46 or later
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## Safety
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This crate uses `#![forbid(unsafe_code)]` to ensure everything is implemented in 100% Safe Rust.
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## Features
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* Fully supports async/await
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* Type safety
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* Rustfmt friendly (Procedural Macro)
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* Custom scalars
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* Minimal overhead
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* Easy integration (actix_web, tide, warp, rocket ...)
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* Upload files (Multipart request)
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* Subscriptions (WebSocket transport)
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* Custom extensions
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* Apollo Tracing extension
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* Limit query complexity/depth
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* Error Extensions
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* Apollo Federation
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* Batch Queries
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# Crate features
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This crate offers the following features, all of which are activated by default:
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- `apollo_tracing`: Enable the [Apollo tracing extension](extensions/struct.ApolloTracing.html).
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- `log`: Enable the [logger extension](extensions/struct.Logger.html).
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- `tracing`: Enable the [tracing extension](extensions/struct.Tracing.html).
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- `multipart`: Support [sending files over HTTP multipart](http/fn.receive_body.html).
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- `unblock`: Support [asynchronous reader for Upload](types/struct.Upload.html)
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- `bson`: Integrate with the [`bson` crate](https://crates.io/crates/bson).
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- `chrono`: Integrate with the [`chrono` crate](https://crates.io/crates/chrono).
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- `chrono-tz`: Integrate with the [`chrono-tz` crate](https://crates.io/crates/chrono-tz).
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- `url`: Integrate with the [`url` crate](https://crates.io/crates/url).
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- `uuid`: Integrate with the [`uuid` crate](https://crates.io/crates/uuid).
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## Examples
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If you are just getting started, we recommend checking out our examples at: https://github.com/async-graphql/examples
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To see how you would create a Relay-compliant server using async-graphql, warp, diesel & postgresql, you can also check out a real-world example at: https://github.com/phated/twentyfive-stars
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## Benchmark
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Ensure that there is no CPU-heavy process in background!
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```shell script
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cd benchmark
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#measure all with system malloc
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cargo bench
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#measure only chat run
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cargo bench -- "chat run"
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#measure all with jemalloc
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cargo bench --features jemalloc
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#measure only simple run with jemalloc
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cargo bench --features jemalloc -- "simple run"
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```
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Now HTML report is available at `benchmark/target/criterion/report`
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Read more here: https://bheisler.github.io/criterion.rs/book/criterion_rs.html
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## Integrations
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* Actix-web [async-graphql-actix-web](https://crates.io/crates/async-graphql-actix-web)
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* Warp [async-graphql-warp](https://crates.io/crates/async-graphql-warp)
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* Tide [async-graphql-tide](https://crates.io/crates/async-graphql-tide)
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## License
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Licensed under either of
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* Apache License, Version 2.0,
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(./LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
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* MIT license (./LICENSE-MIT or http://opensource.org/licenses/MIT)
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at your option.
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## References
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* [GraphQL](https://graphql.org)
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* [GraphQL Multipart Request](https://github.com/jaydenseric/graphql-multipart-request-spec)
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* [GraphQL Cursor Connections Specification](https://facebook.github.io/relay/graphql/connections.htm)
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* [GraphQL over WebSocket Protocol](https://github.com/apollographql/subscriptions-transport-ws/blob/master/PROTOCOL.md)
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* [Apollo Tracing](https://github.com/apollographql/apollo-tracing)
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* [Apollo Federation](https://www.apollographql.com/docs/apollo-server/federation/introduction)
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## Contribute
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Welcome to contribute !
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