deploy-eb.yml

name: Deploy Backend To Elastic Beanstalk

on:
  push:
    branches:
      - main
      - publish
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: deploy-eb-${{ github.ref }}
  cancel-in-progress: true

env:
  AWS_REGION: ap-northeast-2
  EB_APPLICATION_NAME: team5-bootsignal
  EB_ENVIRONMENT_NAME: team5-bootsignal-prod
  EB_ARTIFACT_BUCKET: elasticbeanstalk-ap-northeast-2-495264909330

jobs:
  deploy:
    name: Build And Deploy
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Java 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "21"

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@v4

      - name: Build Spring Boot jar
        shell: bash
        run: |
          chmod +x ./gradlew
          ./gradlew clean bootJar -x test --no-daemon --stacktrace

      - name: Prepare Elastic Beanstalk artifact
        shell: bash
        run: |
          JAR_PATH="$(find build/libs -maxdepth 1 -name '*.jar' | head -n 1)"
          if [[ -z "$JAR_PATH" ]]; then
            echo "No executable jar found in build/libs"
            exit 1
          fi

          cp "$JAR_PATH" application.jar
          zip -j deployment.zip application.jar Procfile

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ env.AWS_REGION }}

      - name: Create Elastic Beanstalk application version
        id: version
        shell: bash
        run: |
          VERSION_LABEL="be-${GITHUB_SHA::8}-${GITHUB_RUN_NUMBER}-$(date +%Y%m%d%H%M%S)"
          S3_KEY="backend/${VERSION_LABEL}.zip"

          aws s3 cp deployment.zip "s3://${EB_ARTIFACT_BUCKET}/${S3_KEY}"

          aws elasticbeanstalk create-application-version \
            --application-name "${EB_APPLICATION_NAME}" \
            --version-label "${VERSION_LABEL}" \
            --source-bundle S3Bucket="${EB_ARTIFACT_BUCKET}",S3Key="${S3_KEY}"

          echo "version_label=${VERSION_LABEL}" >> "$GITHUB_OUTPUT"

      - name: Deploy application version
        shell: bash
        run: |
          aws elasticbeanstalk update-environment \
            --environment-name "${EB_ENVIRONMENT_NAME}" \
            --version-label "${{ steps.version.outputs.version_label }}"

      - name: Wait for environment update
        shell: bash
        run: |
          aws elasticbeanstalk wait environment-updated \
            --environment-names "${EB_ENVIRONMENT_NAME}"

      - name: Print environment status
        shell: bash
        run: |
          aws elasticbeanstalk describe-environments \
            --environment-names "${EB_ENVIRONMENT_NAME}" \
            --query "Environments[0].{Status:Status,Health:Health,CNAME:CNAME,VersionLabel:VersionLabel}" \
            --output table