feat(example): docker-compose metadata retrieval example

Cargo.toml

@@ -26,7 +26,7 @@ tonic = "0.12.3"
 tonic-build = "0.12.3"
 
 [workspace.package]
-version = "0.16.0"
+version = "0.16.2"
 authors = [
     "Mike Nguyen <[email protected]>",
     "The Dapr Authors <[email protected]>"

README.md

@@ -53,7 +53,7 @@ Add the following to your `Cargo.toml` file:
 
 ```toml
 [dependencies]
-dapr = "0.16.0"
+dapr = "0.16"
 ```
 
 Here's a basic example to create a client:
@@ -95,7 +95,7 @@ To fetch the latest .proto files from Dapr execute the script `update-protos.sh`
 By default, the script fetches the latest proto updates from the master branch of the Dapr repository. If you need to choose a specific release or version, use the -v flag:
 
 ```bash
-./update-protos.sh -v v1.14.0
+./update-protos.sh -v v1.15.0
 ```
 
 You will also need to install [protoc](https://github.com/protocolbuffers/protobuf#protobuf-compiler-installation).

daprdocs/content/en/rust-sdk-docs/rust-client/_index.md

@@ -27,8 +27,7 @@ Add Dapr to your `cargo.toml`
 
 ```toml
 [dependencies]
-# Other dependencies
-dapr = "0.16.0"
+dapr = "0.16"
 ```
 
 You can either reference `dapr::Client` or bind the full path to a new name as follows:

examples/src/docker-compose-metadata-example/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "metadata"
+publish = false
+version = "0.0.1"
+edition = "2018"
+
+[workspace]
+
+[dependencies]
+dapr = "0.16.0-rc.6"
+tokio = { version = "1.43", features = ["full"] }
+
+[[bin]]
+name = "metadata"
+path = "main.rs"

examples/src/docker-compose-metadata-example/Dockerfile

@@ -0,0 +1,5 @@
+FROM rust:1.84.1
+WORKDIR /app
+COPY . .
+RUN cargo build --release
+CMD ["./target/release/metadata"]

examples/src/docker-compose-metadata-example/docker-compose.yml

@@ -0,0 +1,34 @@
+version: '3'
+services:
+  ############################
+  # Rustapp app + Dapr sidecar
+  ############################
+  rustapp:
+    build: .
+    ports:
+      - "50002:50002"
+    depends_on:
+      - placement
+    networks:
+      - hello-dapr
+  rustapp-dapr:
+    image: "daprio/daprd:edge"
+    command: ["./daprd",
+              "-app-id", "rustapp",
+              "-placement-host-address", "placement:50006",
+              "-dapr-grpc-port", "50002"]
+    depends_on:
+      - rustapp
+    network_mode: "service:rustapp"
+  ############################
+  # Dapr placement service
+  ############################
+  placement:
+    image: "daprio/dapr:edge"
+    command: ["./placement", "-port", "50006"]
+    ports:
+      - "50006:50006"
+    networks:
+      - hello-dapr
+networks:
+  hello-dapr:

examples/src/docker-compose-metadata-example/main.rs

@@ -0,0 +1,20 @@
+use std::time::Duration;
+
+type DaprClient = dapr::Client<dapr::client::TonicClient>;
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Sleep to allow for the server to become available
+    tokio::time::sleep(Duration::from_secs(5)).await;
+
+    let address = "https://127.0.0.1".to_string();
+    let port = "50002".to_string();
+
+    let mut client = DaprClient::connect_with_port(address, port).await?;
+
+    let metadata = client.get_metadata().await?;
+
+    println!("retrieved data: {:?}", metadata);
+
+    Ok(())
+}