Cloud SRE Test

Conditions for the test

• Terraform 1.X
• AWS, GCP or Azure select one

Current configuration

Application for web/mobile chat using WebSockets

Resource

1. DNS Server with zone for app.com
2. Nginx A Server
   1. Reverse Proxy
   2. URL redirect based on URI
   3. Listening on TCP/IP port 80
   4. redirect https://app.com/ to Nginx B Web Server
   5. redirect https://app.com/api/ to Node.js server
3. Nginx B Web Server serving static webpages "index.html" and CSS
4. Node.js service for backend processing
5. Redis keeps clients connectivity state
6. MySql keeps user accounts

Objective

• Migrate application to any of the selected cloud providers AWS/GCP/Azure from OnPrem Data Centre
• Application on the selected cloud provider should be Highly Available
• Application on the selected cloud provider should be Scalable
• Application on the selected cloud provider should be Highly Fault Tolerant

Architect and Design new application diagram for Cloud Native Implementation

• Present Diagram in Draw.io
• Present few options
• From multiple option use one option and develop infrastructure as code in Terraform

Infrastructure as a code requirements

• Code should be modular
• Code should be testable
• Code should contain comments and in documentation

Terraform reference documentation

• Terraform CLI
• Terraform Modules
• Terraform Providers Documentation