diff --git a/crates/nodata-sdk/src/lib.rs b/crates/nodata-sdk/src/lib.rs
index 4bbea36..3708989 100644
--- a/crates/nodata-sdk/src/lib.rs
+++ b/crates/nodata-sdk/src/lib.rs
@@ -31,10 +31,10 @@ impl NoData {
         tracing::info!("starting no data component");
         let grpc_server = grpc::no_data_component_server::NoDataComponentServer::new(NoDataGrpc {});
 
-        tracing::info!("component grpc listening on: 127.0.0.1:7900");
+        tracing::info!("component grpc listening on: 0.0.0.0:7900");
         tonic::transport::Server::builder()
             .add_service(grpc_server)
-            .serve("127.0.0.1:7900".parse()?)
+            .serve("0.0.0.0:7900".parse()?)
             .await
             .context("nodata component grpc server failed")?;
 
diff --git a/crates/nodata/src/dagger_engine.rs b/crates/nodata/src/dagger_engine.rs
index f078963..cc8e5b2 100644
--- a/crates/nodata/src/dagger_engine.rs
+++ b/crates/nodata/src/dagger_engine.rs
@@ -215,14 +215,15 @@ async fn spawn_container(
     let service = client
         .container()
         .from(image)
-        .with_exposed_port(80)
+        .with_exposed_port(7900)
+        .with_exec(vec!["nodata-transformer-test"])
         .as_service();
 
     service
         .up_opts(
             ServiceUpOptsBuilder::default()
                 .ports(vec![PortForward {
-                    backend: 80,
+                    backend: 7900,
                     frontend: outer_port as isize,
                     protocol: dagger_sdk::NetworkProtocol::Tcp,
                 }])
@@ -249,7 +250,10 @@ mod tests {
 
         tracing::info!("starting dagger container");
         let container = dagger_engine
-            .start_container("some_name", "nginx:latest")
+            .start_container(
+                "some_name",
+                "kasperhermansen/nodata-transformer-test:main-1723938077",
+            )
             .await?;
 
         tracing::info!("getting grpc handle");