About me

Study:

Graduate student Inha university in Tashkent, 2021

Job:

Junior Software Engineer Epam (2021, June - now)

Hobbies:

Reading tech blog, writing technical blog

Blog:

t.me/nodir_adventure

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Few words about building app without Docker

A few words about Devops

Benefits of using Docker containers

• Pipeline CI/CD
• Can integrate trends: Tracing, logging, monitoring
• Load balancing, Replication
• High availability 24/7
• …

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• What Docker can run:

OS, Databases, API, Frontend App, Telegram Bot, Networking(devops tools, proxy), … anything

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How Docker work?

Docker Image and Container

Install Docker

https://www.docker.com/products/docker-desktop

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OS: MacOS, Windows, Ubuntu(Linux)

Verify Docker is installed correctly and working

Show all images:

Docker image registry: hub.docker.com

Pull a new image:

Delete image (should not have connected container)

Run container from image:

• -d is running container in background
• -p is giving port
• 8081:80 – first port outside port, second inner
• nginx – image name
• :latest – image tag (version)

Check port: 8081 in browser

Check running containers

Check all running and not running containers

Stop container

Delete container (it should not be running)

Building you Docker image

• Create Dockerfile in project folder:

Next topics

What is Docker compose?

Container orchestration

Tutorials

Full docker tutorial

https://www.youtube.com/watch?v=p28piYY_wv8

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More on docker tutorial, channel

https://www.youtube.com/channel/UC2KfmYEM4KCuA1ZurravgYw

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Most advanced Devops channel(like Kubernetes)

https://www.youtube.com/c/TechWorldwithNana

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Questions

Thank you