update Readme file

Author: ravigurram8

README.md

@@ -35,7 +35,7 @@ It provides a pre-built catalog of products which are ready to use out of the bo
  3. 3 Private Subnets  
  4. IGW  
  5. NAT Instance / NAT Gateway  
- 6. Bastion Hosts  
+ 6. Bastion Hosts  (optional)
  7. Application Load Balancer  
  8. Listener  
  9. ACM or External Certificates for SSL  
@@ -55,6 +55,10 @@ Deploying an Application Load Balancer as part of Research Gateway deployment he
 1. Isolates your portal from being directly exposed over the internet. The ALB allows only https(s) traffic through.
 2. Helps to serve the application on a secure port using SSL certificates stored in AWS ACM.
 
+create an ALB security Group with the following inbound and outbound rules
+ Inbound Rules - HTTP 80 ,HTTPS-443,SSH-20 .
+ outbound Rules - All Traffic.
+
 Use the AWS CLI to create an Application Load Balancer choosing all three public subnets created by the quickstart above.
 
     aws elbv2 create-load-balancer --name research-gw-alb --subnets subnet-abcd1234 subnet-abcd5678 subnet-abcd9876 --security-groups sg-abcd1234 --region us-east-1
@@ -115,6 +119,8 @@ As a part of this deployment, you will create an AMI for the portal EC2 instance
 - AWS ImageBuilder
 - AWS EC2
 - AWS IAM
+- AWS service catalog
+- Elastic container Registery
 
 ## Installing the required 3rd party software
 
@@ -142,6 +148,7 @@ You can create the AMI with pre-requisites yourself by following these steps:
       export AWS_DEFAULT_REGION="Your_Region"
 
 - Clone this repo on a machine.
+- Target Account number must be added in Admin Account-ECR and give permission to access image builds
 - Create a Role and attach a policy which permits ECR and EC2 actions and Replace the "iam-instance_profile" :"<your_rolename>" in builders section which is in the packer-rg.json.
 - Run packer build packer-rg.json
 
@@ -152,7 +159,15 @@ You can create the AMI with pre-requisites yourself by following these steps:
 ### Installing Research Gateway
 
 Clone this repo on a machine that has AWS CLI configured with Default output format as JSON.
-Run deploy.sh with the following parameters
+Run deploy.sh with the following parameters.
+
+- Check aws configure before running script
+  aws configure
+  AWS Access Key ID: <access Key ID>
+  AWS Secret Access Key :<secret Key>
+  Default region name: <region-name>
+  Default output format : json
+
 
 | Parameter# | Purpose                                                                                    |
 | ---------- | ------------------------------------------------------------------------------------------ |