DC Mission 4172 - Polished for QAS (#322)

Author: mahesh0431

released/discovery_center/mission_4172/README.md

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+# Discovery Center Mission: Build Events-to-Business Actions Apps with SAP BTP and MS Azure/AWS (4172) - Step 1
+
+## Overview
+
+This sample shows how to create a landscape for the Discovery Center Mission - [Build Events-to-Business Actions Apps with SAP BTP and MS Azure/AWS](https://discovery-center.cloud.sap/missiondetail/4172/)
+
+## Content of setup
+
+The setup comprises the following resources:
+
+- Creation of the SAP BTP subaccount
+- Entitlements of services
+- Subscriptions to applications
+- Role collection assignments to users
+- Creation of CF environments
+- Management of users and roles on org and space level
+
+## Deploying the resources
+
+To deploy the resources you must:
+
+1. Set your credentials as environment variables
+   
+   ```bash
+   export BTP_USERNAME ='<Email address of your BTP user>'
+   export BTP_PASSWORD ='<Password of your BTP user>'
+   export CF_USER ='<Email address of your BTP user>'
+   export CF_PASSWORD ='<Password of your BTP user>'   
+   ```
+
+2. Change the variables in the `sample.tfvars` file in the main folder to meet your requirements
+
+   > The minimal set of parameters you should specify (besides user_email and password) is global account (i.e. its subdomain) and the used custom_idp and all user assignments
+
+   > ⚠ NOTE: You should pay attention **specifically** to the users defined in the sample.tfvars whether they already exist in your SAP BTP accounts. Otherwise, you might get error messages like, e.g., `Error: The user could not be found: [email protected]`.
+
+
+3. Initialize your workspace:
+
+   ```bash
+   terraform init
+   ```
+
+4. You can check what Terraform plans to apply based on your configuration:
+
+   ```bash
+   terraform plan -var-file="sample.tfvars"
+   ```
+
+5. Apply your configuration to provision the resources:
+
+   ```bash
+   terraform apply -var-file="sample.tfvars"
+   ```
+
+## In the end
+
+You probably want to remove the assets after trying them out to avoid unnecessary costs. To do so execute the following command:
+
+```bash
+terraform destroy -var-file="sample.tfvars"
+```