Steps in creating ECS with load balancer...

1. Create VPC with 2 subnets in 2 AZs, route, Igw

2. Create security group for load balancer, allowing traffic from internet on port 80.

3. Create security group for cluster allowing traffic from LB security group

4. Create security group for EFS, allowing traffic from cluster

5. Create Load balancer

6. Create EFS

7. Create cluster

8. Create task definition

9. Create service