diff --git a/ecs_model_deployer/Dockerfile b/ecs_model_deployer/Dockerfile
index 80375d26..5cdf25f5 100644
--- a/ecs_model_deployer/Dockerfile
+++ b/ecs_model_deployer/Dockerfile
@@ -1,4 +1,5 @@
 FROM public.ecr.aws/lambda/nodejs:18
 
 COPY ./dist/ ${LAMBDA_TASK_ROOT}
+RUN chmod 777 -R ${LAMBDA_TASK_ROOT}
 CMD ["index.handler"]
diff --git a/lambda/dockerimagebuilder/__init__.py b/lambda/dockerimagebuilder/__init__.py
index 75ccda4f..dcda9f06 100644
--- a/lambda/dockerimagebuilder/__init__.py
+++ b/lambda/dockerimagebuilder/__init__.py
@@ -70,6 +70,7 @@ def handler(event: Dict[str, Any], context) -> Dict[str, Any]:  # type: ignore [
     try:
         instances = ec2_resource.create_instances(
             ImageId=ami_id,
+            SubnetId=os.environ["LISA_SUBNET_ID"],
             MinCount=1,
             MaxCount=1,
             InstanceType="m5.large",
diff --git a/lib/models/docker-image-builder.ts b/lib/models/docker-image-builder.ts
index 98c05bd9..d7b2cc3d 100644
--- a/lib/models/docker-image-builder.ts
+++ b/lib/models/docker-image-builder.ts
@@ -147,7 +147,8 @@ export class DockerImageBuilder extends Construct {
                 'LISA_DOCKER_BUCKET': ec2DockerBucket.bucketName,
                 'LISA_ECR_URI': props.ecrUri,
                 'LISA_INSTANCE_PROFILE': ec2InstanceProfile.instanceProfileArn,
-                'LISA_MOUNTS3_DEB_URL': props.mountS3DebUrl
+                'LISA_MOUNTS3_DEB_URL': props.mountS3DebUrl,
+                ...(props.config?.subnets && {'LISA_SUBNET_ID': props.config.subnets[0].subnetId})
             },
             vpc: props.vpc?.subnetSelection ? props.vpc?.vpc : undefined,
             vpcSubnets: props.vpc?.subnetSelection,