Atlantis integartion with GitHub

Commands to install Docker in Amazon Linux 3

sudo yum update -y
sudo yum search docker -y
sudo yum install docker -y
sudo systemctl enable docker.service
sudo systemctl start docker.service
sudo systemctl status docker.service

To Build the Docker Image

docker build -t atlantis .

To Run Atlantis as Docker contianer

docker run -itd -p 4000:4141 --name atlantis atlantis server --automerge --autoplan-modules --gh-user=<github-account-username> --gh-token=<github-usr-access-token> --repo-allowlist=<list of allowed repos>

Example for above command with single repository

docker run -itd -p 4000:4141 --name atlantis atlantis server --automerge --autoplan-modules --gh-user=jerinrathnam --gh-token=ghp_lj8nNeckni0N#C*54urnDBUCc0h3f#BFU --repo-allowlist=github.com/easydeploy-cloud/terraform-atlantis

Example for above command with all repositories in a GitHub account or organization

docker run -itd -p 4000:4141 --name atlantis atlantis server --automerge --autoplan-modules --gh-user=jerinrathnam --gh-token=nNeckni0N#C*54urnDBUCc0h3f#BFU --repo-allowlist=github.com/easydeploy-cloud/*

To ssh into the Atlantis Docker Container

docker exec -it atlantis /bin/sh

To add AWS credentials directly

aws configure

To edit the aws credentials file

vi /home/atlantis/.aws/credentials

Add the following content into the credentials file

[default]
aws_access_key_id = <ACCESS-KEY>
aws_secret_access_key = <SECRET-KEY>

Replace the following values in the above code

ACCESS-KEY: Access key ID of the AWS IAM user

SECRET-KEY: Secret Access key ID of the AWS IAM user

Note: If you have many profiles you can make entries accordingly in the above file and use it in the Terraform

To push the code to GitHub

git add *
git commit -m "Create EC2 Instance"
git checkout -b develop
git push origin develop

Atlantis commands to reference

atlantis plan -d . ⇨ to get a plan of the terraform code

atlantis apply -d . ⇨ to apply the terraform code

For more reference for Atlantis commands: Atlantis Commands

To find more blogs about Terraform: Terraform Blogs