aws_cicd_final.yaml

name: Build, Push Docker Image and Deploy to AWS EC2

on:
  push:
    paths:
      - '.github/workflows/aws_cicd_final.yaml'

jobs:
  build-and-push:
    name: Build and Push Docker Image
    runs-on: ubuntu-latest

    steps:
      - name: Check out the repository
        uses: actions/checkout@v3

      - name: Run my custom Docker build/test/push action
        uses: ./.github/actions/custom-docker-build
        with:
          image_name: "ryankor/devops-sparta"
          image_tag: "aws-cicd-final-0.0.2"
          context: "04-test-fastapi"
          file: "04-test-fastapi/Dockerfile"

          만약 사용자/패스워드를 받아야 한다면(위 action.yml에서 추가했다면):
          docker_username: ${{ secrets.DOCKER_USERNAME }}
          docker_password: ${{ secrets.DOCKER_PASSWORD }}

  deploy-to-ec2:
    name: Deploy to AWS EC2
    needs: build-and-push
    runs-on: ubuntu-latest

    steps:
      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v2
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: us-east-1  

      - name: Check AWS CLI version
        run: aws --version

      - name: Check EC2 Instances Status
        run: |
          aws ec2 describe-instances --query 'Reservations[*].Instances[*].{Name: Tags[?Key==`Name`].Value | [0], State: State.Name}' --output table

      - name: SSH into EC2 and deploy Docker container
        uses: appleboy/ssh-action@v1.2.0
        with:
          host: ${{ secrets.EC2_HOST }}
          username: ubuntu
          key: ${{ secrets.EC2_SSH_KEY }}
          port: 22
          timeout: 180s
          script: |
            set -e

            # Docker 설치 여부 확인
            if ! command -v docker &> /dev/null
            then
              echo "Docker not found. Installing Docker..."

              # 업데이트 및 필수 패키지 설치
              sudo apt-get update -y
              sudo apt-get install -y \
                ca-certificates \
                curl \
                gnupg \
                lsb-release

              # Docker 공식 GPG 키 추가
              sudo mkdir -p /etc/apt/keyrings
              curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

              # Docker 저장소 설정
              echo \
                "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
                $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

              # Docker Engine 설치
              sudo apt-get update -y
              sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

              # 현재 사용자를 docker 그룹에 추가 (필요 시)
              sudo usermod -aG docker $USER

              echo "Docker installed successfully."
            else
              echo "Docker is already installed."
            fi

            sudo docker login -u ${{ secrets.DOCKER_USERNAME }} -p "${{ secrets.DOCKER_PASSWORD }}"

            # 기존 컨테이너 중지 및 제거
            if [ "$(sudo docker ps -q -f name=aws-fastapi-final)" ]; then
              sudo docker stop aws-fastapi-final
              echo "Running Container Stopped, aws-fastapi-final"
            fi

            if [ "$(sudo docker ps -aq -f status=exited -f name=aws-fastapi-final)" ]; then
              sudo docker rm aws-fastapi-final
              echo "Running Container Removed, aws-fastapi-final"
            fi

            IMAGE="${{ secrets.DOCKER_USERNAME }}/devops-sparta:aws-cicd-final-0.0.2"
            echo "Pulling Docker image: $IMAGE"
            sudo docker pull "$IMAGE"

            sudo docker run -d \
              -p 8000:8000 \
              --name aws-fastapi-final \
              "$IMAGE"

            echo "Docker container deployed successfully."