feat: should listen on public endpoint

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

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");