a high-performance graphql server library that's fully specification compliant
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This crate uses #![forbid(unsafe_code)] to ensure everything is implemented in 100% safe Rust.
use std::error::Error;
use async_graphql::{http::GraphiQLSource, EmptyMutation, EmptySubscription, Object, Schema};
use async_graphql_poem::*;
use poem::{listener::TcpListener, web::Html, *};
struct Query;
#[Object]
impl Query {
async fn howdy(&self) -> &'static str {
"partner"
}
}
#[handler]
async fn graphiql() -> impl IntoResponse {
Html(GraphiQLSource::build().finish())
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
// create the schema
let schema = Schema::build(Query, EmptyMutation, EmptySubscription).finish();
// start the http server
let app = Route::new().at("/", get(graphiql).post(GraphQL::new(schema)));
println!("GraphiQL: http://localhost:8000");
Server::new(TcpListener::bind("0.0.0.0:8000"))
.run(app)
.await?;
Ok(())
}Requires the dynamic-schema feature to be enabled.
use std::error::Error;
use async_graphql::{dynamic::*, http::GraphiQLSource};
use async_graphql_poem::*;
use poem::{listener::TcpListener, web::Html, *};
#[handler]
async fn graphiql() -> impl IntoResponse {
Html(GraphiQLSource::build().finish())
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
let query = Object::new("Query").field(Field::new(
"howdy",
TypeRef::named_nn(TypeRef::STRING),
|_| FieldFuture::new(async { "partner" }),
));
// create the schema
let schema = Schema::build(query, None, None).register(query).finish()?;
// start the http server
let app = Route::new().at("/", get(graphiql).post(GraphQL::new(schema)));
println!("GraphiQL: http://localhost:8000");
Server::new(TcpListener::bind("0.0.0.0:8000"))
.run(app)
.await?;
Ok(())
}- Static and dynamic schemas are fully supported
- Fully supports async/await
- Type safety
- Rustfmt friendly (Procedural Macro)
- Custom scalars
- Minimal overhead
- Easy integration (poem, axum, actix-web, tide, warp, rocket ...)
- Upload files (Multipart request)
- Subscriptions (WebSocket transport)
- Custom extensions
- Error extensions
- Limit query complexity/depth
- Batch queries
- Apollo Persisted Queries
- Apollo Tracing extension
- Apollo Federation(v2)
Note: Minimum supported Rust version: 1.75.0 or later
All examples are in the sub-repository, located in the examples directory.
git submodule update # update the examples repo
cd examples && cargo run --bin [name]For more information, see the sub-repository README.md.
Integrations are what glue async-graphql with your web server, here are provided ones, or you can build your own!
- Poem async-graphql-poem
- Actix-web async-graphql-actix-web
- Warp async-graphql-warp
- Tide async-graphql-tide
- Rocket async-graphql-rocket
- Axum async-graphql-axum
This crate offers the following features. Most are not activated by default, except the integrations of GraphiQL (graphiql) and GraphQL Playground (playground):
| feature | enables |
|---|---|
apollo_tracing |
Enable the Apollo tracing extension. |
apollo_persisted_queries |
Enable the Apollo persisted queries extension. |
log |
Enable the Logger extension. |
tracing |
Enable the Tracing extension. |
opentelemetry |
Enable the OpenTelemetry extension. |
unblock |
Support Asynchronous reader for Upload |
bson |
Integrate with the bson crate. |
chrono |
Integrate with the chrono crate. |
chrono-tz |
Integrate with the chrono-tz crate. |
url |
Integrate with the url crate. |
uuid |
Integrate with the uuid crate. |
string_number |
Enable the StringNumber. |
dataloader |
Support DataLoader. |
secrecy |
Integrate with the secrecy crate. |
decimal |
Integrate with the rust_decimal crate. |
bigdecimal |
Integrate with the bigdecimal crate. |
cbor |
Support for serde_cbor. |
smol_str |
Integrate with the smol_str crate. |
hashbrown |
Integrate with the hashbrown crate. |
time |
Integrate with the time crate. |
tokio-sync |
Integrate with the tokio::sync::RwLock and tokio::sync::Mutex. |
fast_chemail |
Integrate with the fast_chemail crate. |
tempfile |
Save the uploaded content in the temporary file. |
dynamic-schema |
Support dynamic schema |
graphiql |
Enables the GraphiQL IDE integration |
playground |
Enables the GraphQL playground IDE integration |
One of the tools used to monitor your graphql server in production is Apollo Studio. Apollo Studio is a cloud platform that helps you build, monitor, validate, and secure your organization's data graph.
Add the extension crate async_graphql_apollo_studio_extension to make this avaliable.
- Vector
- DiveDB
- Kairos Sports tech
- AxieInfinity
- Nando's
- Prima.it
- VoxJar
- Zenly
- Brevz
- thorndyke
- My Data My Consent
- rust-actix-graphql-sqlx-postgresql Using GraphQL with Rust and Apollo Federation
- entity-rs A simplistic framework based on TAO, Facebook's distributed database for Social Graph.
- vimwiki-server Provides graphql server to inspect and manipulate vimwiki files.
- Diana Diana is a GraphQL system for Rust that's designed to work as simply as possible out of the box, without sacrificing configuration ability.
- cindythink
- sudograph
- Async GraphQL with Rust
- GraphQL in Rust
- How to implement a Rust micro-service using Rocket, GraphQL, PostgreSQL
- Running GraphQL on Lambda with Rust
- GraphQL
- GraphQL Multipart Request
- Multipart HTTP protocol for GraphQL subscriptions
- GraphQL Cursor Connections Specification
- GraphQL over WebSocket Protocol
- Apollo Tracing
- Apollo Federation
Licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT) at your option.
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