DevOps Classroom notes 30/Oct/2026

Yaml – yaml is a human readable

key points:

• data_types – string, interger, aray, list …etc
• key- value pair

Name: ram

• file extenstion will be *.yaml or *.yml
• --- split files in single file

---
name: demo
version: 1.0.0


---
name: demo2
version: 1.0.1

• Boleen: true or false

• we can add commit in below code

• capital will be case-sentive consider below keys will different keys

name: dev
Name: dev-team

Example

details:
  - name: raju
    location: hyd
    age: 24
    education: btech
  - name: ravi
    location: hyd
    age: 23
    education: 
      - name: 10th
        marks: 500
        subjects:
          - name: english
            marks: 56
          - name: maths
            marks: 79

{
    "string_key": [
        {
            "name": "devops",
            "tools": ["ansible", "k8s"]
        },
        {
            "name": "aws/azure",
            "concepts": [
                {
                    "aws": ["network","storage"]
                },
                {
                    "azure": ["network","storage"]
                }
            ]
        }
    ]
}

## Task
`1. create yaml file devops tools
1. devopsTools
   1. ansible
      1. inventory
      2. playbooks
      3. roles
      4. servers and node
      5. valt
   2. terraform
      1. modules
      2. tf code
      3. variable
      4. tf_ env vars
   3. github_actions
      1. docker pipline
      2. mvn package 
      3. helm
      4. k8s deployment 
      5. deploy app 
      6. ansible 
      7. terraform 
   4. docker
      1. dockerfile
      2. multistage
      3. compose
      4. network
      5. volumes
   5. k8s
      1. deploy
      2. demonset
      3. statefulset
      4. crd
      5. pvc
      6. pv
      7. network
   6. monitoring
      1. elk
      2. Grafana
      3. cloud monitoring

[Yaml](https://www.w3schools.io/file/yaml-introduction/)

[json](https://www.w3schools.com/whatis/whatis_json.asp)