Gen-AI Developer Classroom notes 01/Nov/2025

Key Terms

• Docker Container
• Docker Image
• Monolith
• Microservice
• reference for microservice application

Installing docker

• windows

winget install --id=Docker.DockerDesktop -e

• mac

brew install --cask docker

• create account in docker hubc

• Conventions:

  • Docker images
    • official images: application (:)
      • Example nginx, memcached
    • verified publishers/sponsered oss <org>/<image>:<tag>
      • jenkins/jenkins:jdk21
    • Private image: <dockerusername>/<image>:<tag>
      • shaikkhajaibrahim/openmrs:latest

Lets try running mysql database inside a docker container

• image: mysql:9
• to view local images docker image ls or docker images
• To download image into your system docker pull mysql:9 or docker image pull mysql:9
  
• To delete the image docker rmi mysql:9
• To create a container

docker run --name mysqldb -p 3306:3306 -e MYSQL_ROOT_PASSWORD=admin123 -e MYSQL_DATABASE=learning -e MYSQL_USER=ltpython -e MYSQL_PASSWORD=admin123 -d mysql:9

• To view the containers

docker ps

• To connect ensure you have mysql client

mysql -u root -p

Lets try running postgres database inside a docker container

• image: postgres:18
• To download the image docker pull postgres:18
• Exercise