fix: add support for String as well

crates/dagger-sdk/examples/iss-30/main.rs

@@ -0,0 +1,44 @@
+#![feature(async_closure)]
+
+use dagger_sdk::{ContainerBuildOptsBuilder, HostDirectoryOpts, QueryContainerOptsBuilder};
+
+static DOCKER_FILES: [&str; 3] = ["Dockerfile", "Dockerfile.alpine", "Dockerfile.distroless"];
+static PLATFORMS: [&str; 2] = ["linux/arm64", "linux/x86_64"];
+
+#[tokio::main]
+async fn main() -> eyre::Result<()> {
+    let client = dagger_sdk::connect().await?;
+
+    let context = client.host().directory_opts(
+        ".",
+        HostDirectoryOpts {
+            exclude: Some(vec!["target", "client/node_modules", "client/build"]),
+            include: None,
+        },
+    );
+
+    for file in DOCKER_FILES {
+        for platform in PLATFORMS {
+            let ref_ = client
+                .container_opts(
+                    QueryContainerOptsBuilder::default()
+                        .platform(platform)
+                        .build()
+                        .unwrap(),
+                )
+                .build_opts(
+                    context.id().await?,
+                    ContainerBuildOptsBuilder::default()
+                        .dockerfile(file)
+                        .build()
+                        .unwrap(),
+                )
+                .export("./test")
+                .await?;
+
+            println!("published image to: {:#?}", ref_);
+        }
+    }
+
+    Ok(())
+}