feat: qdrant resource example (#64)

* feat: qdrant resource example

* update qdrant example
- `shuttle_qdrant::Qdrant` now returns a `QdrantClient`
- pass in `cloud_url` and `api_key`, read from `Secrets.toml`

* update versions

* fix: filenames

* fix: correct shuttle version

* docs: add qdrant to readme

---------

Co-authored-by: jonaro00 <54029719+jonaro00@users.noreply.github.com>

README.md

@@ -56,6 +56,7 @@ Actix Web | [websocket-actorless](./actix-web/websocket-actorless/) | Websocket
 Actix Web | [cookie-authentication](./actix-web/cookie-authentication/) | Use JWT to authenticate API endpoints | `cargo shuttle init --from shuttle-hq/shuttle-examples --subfolder actix-web/cookie-authentication`
 Axum | [hello-world](./axum/hello-world/) | Hello World | `cargo shuttle init --template axum`
 Axum | [metadata](./axum/metadata/) | Simple app that prints the service information such as Shuttle service name | `cargo shuttle init --from shuttle-hq/shuttle-examples --subfolder axum/metadata`
+Axum | [qdrant](./axum/qdrant/) | Barebones example of the shuttle-qdrant plugin | `cargo shuttle init --from shuttle-hq/shuttle-examples --subfolder axum/qdrant`
 Axum | [static-files](./axum/static-files/) | Hello World page that serves static HTML and JS files | `cargo shuttle init --from shuttle-hq/shuttle-examples --subfolder axum/static-files`
 Axum | [static-next-server](./axum/static-next-server/) | SPA server for serving a apps from frameworks such as Next.js | `cargo shuttle init --from shuttle-hq/shuttle-examples --subfolder axum/static-next-server`
 Axum | [websocket](./axum/websocket/) | Websocket app that checks the status of Shuttle's API | `cargo shuttle init --from shuttle-hq/shuttle-examples --subfolder axum/websocket`

axum/qdrant/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "shuttle-axum-qdrant"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+axum = "0.7.3"
+qdrant-client = "1.7.0"
+shuttle-axum = "0.36.0"
+shuttle-qdrant = "0.36.0"
+shuttle-runtime = "0.36.0"
+tokio = "1.26.0"

axum/qdrant/Secrets.toml

@@ -0,0 +1,3 @@
+# Note that we use gRPC (port 6334) to talk to Qdrant.
+CLOUD_URL = 'https://xyz-example.eu-central.aws.cloud.qdrant.io:6334'
+API_KEY = 'your_api_key'

axum/qdrant/src/main.rs

@@ -0,0 +1,25 @@
+use axum::{extract::State, routing::get, Router};
+use qdrant_client::prelude::*;
+use std::sync::Arc;
+
+struct AppState {
+    qdrant: QdrantClient,
+}
+
+async fn list_collections(State(state): State<Arc<AppState>>) -> String {
+    format!("{:?}\n", state.qdrant.list_collections().await)
+}
+
+#[shuttle_runtime::main]
+async fn axum(
+    #[shuttle_qdrant::Qdrant(cloud_url = "{secrets.CLOUD_URL}", api_key = "{secrets.API_KEY}")]
+    qdrant: QdrantClient,
+) -> shuttle_axum::ShuttleAxum {
+    let state = Arc::new(AppState { qdrant });
+
+    let router = Router::new()
+        .route("/", get(list_collections))
+        .with_state(state);
+
+    Ok(router.into())
+}