best-project

sample repository for devops engineers

Devops pipeline for UBUNTU 18.04

Docker overview

without docker

after docker

docker commands

docker installation remove older version

sudo apt-get remove docker docker-engine docker.io containerd runc

sudo apt-get update

sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo apt-key fingerprint 0EBFCD88

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

sudo apt-get update

sudo apt-get install docker-ce docker-ce-cli containerd.io

to build a code & docker image:

git clone https://github.com/Sathiyarajan/best-project.git

cd best-project/docker/nodejs-web-app

docker build -t <dockerhub_username>/flaskapp:1.1 .

docker run -ti 5103c1f975dc /bin/bash

docker run -d -p 5000:5000 8f6adb7689b5

docker logs 5103c1f975dc

docker logout

docker login

curl http://localhost:5000
Hello World!#

docker push sathyadev/flaskapp:1.1

docker pull sathyadev/flaskapp:1.1

docker rmi -f <imaegeId>

docker rm -f <containerId>

Reference: https://github.com/spring-petclinic/spring-framework-petclinic

#run postgres image docker run --name postgres-petclinic -e POSTGRES_PASSWORD=petclinic -e POSTGRES_DB=petclinic -p 5432:5432 -d postgres:9.6.0

run a sample web app

docker run -p 8080:8080 springcommunity/spring-framework-petclinic

practice the image build & push it to repo by following the nodejs app

docker-compose spring boot app with multiple instances

https://thepracticaldeveloper.com/dockerize-spring-boot/
https://github.com/mechero/spring-boot-hola-docker