feat: add simple health check

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/churning/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "churning"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+dagger-sdk = "0.2.2"
+dagger-rust = "0.2.0"
+tokio.workspace = true
+eyre = "*"

crates/churning/src/main.rs

@@ -0,0 +1,63 @@
+use std::{path::PathBuf, sync::Arc};
+
+use dagger_rust::build::{RustVersion, SlimImage};
+use dagger_sdk::Query;
+
+#[tokio::main]
+async fn main() -> eyre::Result<()> {
+    let client = dagger_sdk::connect().await?;
+
+    let agent = build_container(client.clone(), "churn-agent").await?;
+    let agent = agent
+        .with_exec(vec!["churn-agent", "daemon", "--host", "0.0.0.0:3000"])
+        .with_exposed_port(3000);
+    let cli = build_container(client.clone(), "churn").await?;
+    let server = build_container(client.clone(), "churn-server").await?;
+    let server = server
+        .with_exec(vec!["churn-server", "serve", "--host", "0.0.0.0:3000"])
+        .with_exposed_port(3000);
+
+    cli.with_service_binding("churn-agent", agent.id().await?)
+        .with_service_binding("churn-server", server.id().await?)
+        .with_exec(vec![
+            "churn",
+            "health",
+            "--server",
+            "churn-server:3000",
+            "--agent",
+            "churn-agent:3000",
+        ])
+        .exit_code()
+        .await?;
+
+    Ok(())
+}
+
+async fn build_container(
+    client: Arc<Query>,
+    bin_name: &str,
+) -> eyre::Result<dagger_sdk::Container> {
+    let crates = &["crates/*", "ci"];
+    let debian_deps = &["libssl-dev", "pkg-config", "openssl", "git", "jq"];
+    let debian_image = "debian:bullseye".to_string();
+
+    let images = dagger_rust::build::RustBuild::new(client.clone())
+        .build_release(
+            None::<PathBuf>,
+            RustVersion::Nightly,
+            crates,
+            debian_deps,
+            vec![SlimImage::Debian {
+                image: debian_image,
+                deps: debian_deps
+                    .iter()
+                    .map(|s| s.to_string())
+                    .collect::<Vec<_>>(),
+                architecture: dagger_rust::build::BuildArchitecture::Arm64,
+            }],
+            &bin_name,
+        )
+        .await?;
+
+    Ok(images.first().take().unwrap().clone())
+}