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DevOps Engineer

DevOps engineers build the systems that take code from a developer's machine to production safely and often: build pipelines, automated tests, infrastructure as code, containers and monitoring. They sit between development and operations, and automate everything they can.

What the job involves

  • Build CI/CD pipelines that test and deploy every change.
  • Define servers and cloud resources as code.
  • Package applications in containers and run them reliably.
  • Monitor systems, respond to incidents and improve reliability.

Core skills

  • Linux and the command line
  • Scripting (Python, Bash)
  • Git
  • CI/CD pipelines
  • Docker and Kubernetes
  • A cloud platform and infrastructure as code

Your learning path

Work through the steps in order. Each one links to the lessons and practice to use.

  1. Step 1: Scripting and automation

    Automation is the heart of DevOps. Python is the most common scripting language for it.

    Not on Laviyx Learn yet

    • Bash scripting
    • Linux administration basics

  2. Step 2: Configuration and data formats

    Pipelines and infrastructure are configured with JSON and YAML, and services talk over HTTP APIs.

    Not on Laviyx Learn yet

    • YAML
    • HTTP, DNS and networking basics

  3. Step 3: Version control and CI/CD

    Every change goes through Git and an automated pipeline that builds, tests and deploys it.

    Not on Laviyx Learn yet

    • Git branching and pull requests
    • GitHub Actions, GitLab CI or Jenkins

  4. Step 4: Containers and orchestration

    Containers package an app with everything it needs; orchestrators run many of them reliably.

    Not on Laviyx Learn yet

    • Docker
    • Kubernetes
    • Helm

  5. Step 5: Cloud and infrastructure as code

    Describe infrastructure in versioned files instead of clicking through consoles.

    Not on Laviyx Learn yet

    • AWS, Azure or Google Cloud
    • Terraform
    • Configuration management (Ansible)

  6. Step 6: Monitoring and reliability

    Know when something breaks, and why.

    Not on Laviyx Learn yet

    • Prometheus and Grafana
    • Centralized logging
    • Incident response and postmortems

  7. Step 7: Prepare for interviews

    Expect Linux, networking, scripting, container and CI/CD questions, plus troubleshooting scenarios.

Projects to build

Projects prove your skills and give you something to show.

  • Containerize a small web app and run it with a database using Docker Compose.
  • Build a CI pipeline that runs tests and deploys on every push.
  • Write a Python script that checks a list of websites and reports failures.

Interview preparation

This path is a suggested order. Requirements differ between companies, so also read job descriptions for the roles you are applying to.

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