Docker Fundamentals and Scaling - DigitalOcean Meetup

An overview of Docker and containers. Monolithic vs microservice based apps. Meaning of scalability. Load balancing with the DigitalOcean load balancer. Demos.

Transcript

1. Docker Fundamentals and Scaling Aishik Saha @thecodeboy
2. What are containers?
4. What is Docker? It is an open source project to easily create lightweight, portable, self-sufficient containers.
5. Commands sudo apt-get install docker.io docker version docker pull ubuntu docker run -i -t ubuntu docker ps docker commit docker push - Install Docker - Version check - Download Ubuntu image - Run a container from Ubuntu image - Show Docker processes - Add container to tag - Push image to hub
6. Demo
7. 100% Everything at Google runs in a container. Source: https://5ly.me/2k
8. Monolithic vs Microservices Complex large codebase. Scaling is a challenge. CI/CD takes time. Overloaded IDEs. Not flexible. Small codebase, focused teams. Scales on demand. CI/CD is easier. Ultra flexible.
9. What is scalability? It is the capability of a system to handle a growing amount of work, or its potential to accommodate that growth. Horizontal and Vertical Scalability
10. The Good and Bad Pokemon Go Flipkart’s Big Billion Day Snapchat Whatsapp
11. Load Balancing It is a device that acts as a reverse proxy and distributes network or application traffic across a number of servers.
12. Demo
13. Thank you Aishik Saha @thecodeboy https://aishik.ml