deploy to ec2 from bitbucket using aws codepipeline and codedeploy

deploy_to_ec2_from_bitbucket.txt

Create S3 bucket
    > name: CodeDeployBucket

---------------------------------------------

Create IAM role for EC2
    > name: EC2CodeDeployRole
        > policy: AmazonEC2RoleforAWSCodeDeploy
    > set key: 
        > Name: EC2CodeDeployRole
    > attach policy: AmazonS3FullAccess

---------------------------------------------
    
Create IAM role for CodeDeploy
    > name: CodeDeployRole
        > policy: AWSCodeDeployRole
    > set key:
        > Name: CodeDeployRole
    
---------------------------------------------

Create new EC2 instance
    > Select IAM role EC2CodeDeployRole
    > Create a tag for instance: Name: EC2CodeDeployEC2
    > Set name for security group: EC2CodeDeploySG
    > Set port 80 accessible for all ip
    > Add follow command on User data as text:
        > Or alternatively you can connect EC2 instance by SSH
        > Execute each command
    
    # -------------- BEGIN --------------
    #!/bin/bash
    sudo apt-get update -y
    sudo apt-get upgrade -y
    sudo apt install ruby-full -y
    sudo apt install wget -y
    cd /home/ubuntu
    wget https://aws-codedeploy-us-east-2.s3.us-east-2.amazonaws.com/latest/install
    sudo chmod +x ./install
    sudo ./install auto
    sudo apt install python-pip -y
    sudo pip install awscli
    # -------------- END --------------
    
    > Check if all was installed with success
        > sudo service codedeploy-agent status
    > If error: No AWS CodeDeploy agent running
        > run the command: sudo service codedeploy-agent start
        > check if its running: sudo service codedeploy-agent status
    
---------------------------------------------

Access CodeDeploy console
    > Click on Applications
    > Create application
    > Select Compute plataform: EC2/On-promises
    > Create deployment group
    > Set a name: "my-app-example"
    > Select service role: CodeDeployRole
    > Set deployment type: in-place
    > Select Environment configuration: Amazon EC2 instances
    > Select by key: 
    > start a new Custom Deployment
    > search for EC2 instance by Name: EC2CodeDeployEC2
    > Set deployment settings: CodeDeployDefaultOneAtTime
    > Disable loadbalancer
    > Set rollback: Roll back when a deployment fails
    
---------------------------------------------

Access CodePipeline 
    > Click on pipelines 
    > Create a pipeline
    > Set a name: "my-pipeline-example"
    > Select New service role option
    > Role name: my-pipeline-example-role
    > Select S3 as Source provider
    > S3 object key is the file name
    > Select Amazon CloudWatch Events
    > Builder provider skip
    > Select AWS CodeDeploy as Deploy provider
    > Select application name
    > Select deploy group
    
---------------------------------------------

Create appspec.yml on your application root
You may lint it on: http://www.yamllint.com/
    > Example:
    
        version: 0.0
        os: linux

        files:
          - source: ./
            destination: /opt/apps

        hooks:
          ApplicationStart:
            - location: scripts/start.sh
              runas: root
          ApplicationStop:
            - location: scripts/stop.sh
              runas: root
        
        

Access bitbucket 
    > Create a bitbucket-pipelines.yml file
    
image: atlassian/default-image:2

pipelines:
  default:
    - step:
        name: Build
        script:
          - cd app && zip -r ../myapp.zip *
        artifacts:
          - myapp.zip

    - step:
        name: Upload to S3
        services:
          - docker
        script:
          # Test upload
          - pipe: atlassian/aws-code-deploy:0.2.10
            variables:
              AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID}
              AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY}
              AWS_DEFAULT_REGION: ${AWS_DEFAULT_REGION}
              COMMAND: 'upload'
              APPLICATION_NAME: ${APPLICATION_NAME}
              ZIP_FILE: 'myapp.zip'

    - step:
        name: Deploy with CodeDeploy
        deployment: production
        services:
        - docker
        script:
        # Test upload
        - pipe: atlassian/aws-code-deploy:0.2.10
          variables:
            AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID}
            AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY}
            AWS_DEFAULT_REGION: ${AWS_DEFAULT_REGION}
            COMMAND: 'deploy'
            APPLICATION_NAME: ${APPLICATION_NAME}
            DEPLOYMENT_GROUP: ${DEPLOYMENT_GROUP}
            IGNORE_APPLICATION_STOP_FAILURES: 'true'
            FILE_EXISTS_BEHAVIOR: 'OVERWRITE'
            WAIT: 'true'

Refences: 
https://www.youtube.com/watch?v=OnI_nXa5yH4
https://docs.aws.amazon.com/codedeploy/latest/userguide/codedeploy-agent-operations-install-ubuntu.html
https://support.atlassian.com/bitbucket-cloud/docs/deploy-to-aws-with-codedeploy/
https://bitbucket.org/bitbucketpipelines/example-aws-code-deploy/src/master/bitbucket-pipelines.yml
http://www.yamllint.com/
https://docs.aws.amazon.com/codedeploy/latest/userguide/reference-appspec-file-example.html