handle SIGINT better during the creation process

internal/infra/proxy.go

@@ -117,24 +117,29 @@ func NewProxy(ctx context.Context, cli *client.Client, params *RunParams, nets .
 	if err != nil {
 		return nil, fmt.Errorf("failed to create proxy container: %w", err)
 	}
+
+	proxy := &Proxy{
+		cli:             cli,
+		containerID:     proxyContainer.ID,
+		containerName:   hostName,
+		url:             fmt.Sprintf("http://%s:1080", hostName),
+		CertPath:        certPath,
+		proxyConfigPath: proxyConfigPath,
+	}
+
 	for _, n := range nets {
 		if err := cli.NetworkConnect(ctx, n.ID, proxyContainer.ID, &network.EndpointSettings{}); err != nil {
+			_ = proxy.Close()
 			return nil, fmt.Errorf("failed to connect to network: %w", err)
 		}
 	}
 
 	if err := cli.ContainerStart(ctx, proxyContainer.ID, types.ContainerStartOptions{}); err != nil {
+		_ = proxy.Close()
 		return nil, fmt.Errorf("failed to start container: %w", err)
 	}
 
-	return &Proxy{
-		cli:             cli,
-		containerID:     proxyContainer.ID,
-		containerName:   hostName,
-		url:             fmt.Sprintf("http://%s:1080", hostName),
-		CertPath:        certPath,
-		proxyConfigPath: proxyConfigPath,
-	}, nil
+	return proxy, nil
 }
 
 func (p *Proxy) TailLogs(ctx context.Context, cli *client.Client) {

internal/infra/updater.go

@@ -111,10 +111,6 @@ func NewUpdater(ctx context.Context, cli *client.Client, net *Networks, params *
 		return nil, fmt.Errorf("failed to create updater container: %w", err)
 	}
 
-	if err := cli.ContainerStart(ctx, updaterContainer.ID, types.ContainerStartOptions{}); err != nil {
-		return nil, fmt.Errorf("failed to start updater container: %w", err)
-	}
-
 	updater := &Updater{
 		cli:         cli,
 		containerID: updaterContainer.ID,
@@ -123,6 +119,11 @@ func NewUpdater(ctx context.Context, cli *client.Client, net *Networks, params *
 		inputPath:   inputPath,
 	}
 
+	if err := cli.ContainerStart(ctx, updaterContainer.ID, types.ContainerStartOptions{}); err != nil {
+		updater.Close()
+		return nil, fmt.Errorf("failed to start updater container: %w", err)
+	}
+
 	return updater, nil
 }