buildspec.yml

---
    version: 0.2
    
    phases:
      pre_build:
        commands:
          - echo "Installing HashiCorp Packer..."
          - curl -qL -o packer.zip https://releases.hashicorp.com/packer/1.5.6/packer_1.5.6_linux_amd64.zip && unzip packer.zip -d packer-bin
          - echo "Installing jq..."
          - curl -qL -o jq https://stedolan.github.io/jq/download/linux64/jq && chmod +x ./jq
          - echo "Validating packer/template.json"
          - packer-bin/packer validate packer/template.json
      build:
        commands:
          ### HashiCorp Packer cannot currently obtain the AWS CodeBuild-assigned role and its credentials
          ### Manually capture and configure the AWS CLI to provide HashiCorp Packer with AWS credentials
          ### More info here: https://github.com/mitchellh/packer/issues/4279
          - echo "Configuring AWS credentials"
          - curl -qL -o aws_credentials.json http://169.254.170.2/$AWS_CONTAINER_CREDENTIALS_RELATIVE_URI > aws_credentials.json
          - aws configure set region $AWS_REGION
          - aws configure set aws_access_key_id `./jq -r '.AccessKeyId' aws_credentials.json`
          - aws configure set aws_secret_access_key `./jq -r '.SecretAccessKey' aws_credentials.json`
          - aws configure set aws_session_token `./jq -r '.Token' aws_credentials.json`
          - echo "Building HashiCorp Packer template, packer/template.json"
          - packer-bin/packer build packer/template.json
      post_build:
        commands:
          - echo "HashiCorp Packer build completed on `date`"