DevOps Project from absolute zero | Project setup + CI Pipelines implementation

In this blog we will set up CI build pipelines from github

-- Open the below github repository

--Sign in to the azure devops and create a new project

-- Go to repos option and paste https url copied from github.

-- After successfull import, we need to make the main branch as default branch

-- Go to the branches option and select main branch as default

Creating Container registry

--Login to azure portal>container registries>create new container registry

Creating build pipelines

--Go to the pipelines option and create a new pipeline

-- Select azure repos git>select github repository name>select build and push an image to azure container registry

-- select the subscription and created container registry

-- I f we want to trigger continuously whenever any new code is commited then we need to add paths under trigger section of the code

-- change the image repository name as we are doing it for only result app give it as "resultapp"

--remove the agent and give below lines

agent pool name and we have to create VM with same name in azure portal

--Now go to the stages section and change the display name as build... as we are doing only build pipeline, remove pools

--Click on the settings button , change the command to select only build and in docker file path select result/Dockerfile and click on add button

-- Copy the stage and paste the same for push stage and change the display names, command as push in settings

--When you click on save and run we will get an error as VM with name azureagent is not created

-- Create a VM with name azureagent in the same rg

--now we need to connect to th vm connected to our azure devops

-- you can search it on google for azure devops pipeline documentation>go to agent pools configuration>self hosted linux agents and follow te steps

--Go to project settings>add pool>self hosted agent>give name and click on create

-- Click on add an agent in the agent pool and select linux

--Connect to the VM using the below commands

open terminal>do to downloads folder and

ssh -i key pair name with userame@public ip address

-- update the VM with sudo apt update and run below command

mkdir myagent && cd myagent

then wget and copy the download agent hyperling and paste

and run the below command

tar zxvf vsts-agent-linux-x64-3.234.0.tar.gz
./config.sh

--For server url go to te documentation and copy the server url

-- in place of organization name , place your organization name

it will ask for PAT token

-- generate PAT by clicking on user setting icon>pat>new token and give it in the terminal

--give agent pool name

-- go and see whether agent is added or not , it will be added, but it will be offline

-- to make it online run run command

./run.sh

-- Install docker now with the following command

sudo apt install docker.io

sudo usermod -aG docker azureuser

sudo systemctl restart docker

-- execute the ./run.sh command and run the build pipeline

if we get any permission denied error then logout and login back and run the ./run.sh command again and run the pipeline

likewise do it for workers and voting application as well