# AWS CodeBuild：从 CodeCommit 仓库 pms 拉取代码，仓库根目录即应用根（Dockerfile、backend/、frontend/ 等）
# 构建 Docker 镜像并推送到 ECR（中国区 cn-northwest-1）；无需 cd，工作目录已是应用根
# 环境变量 IMAGE_REPO_NAME、AWS_ACCOUNT_ID、AWS_DEFAULT_REGION 由 CodeBuild 或 Pipeline 注入
# PYTHON_BASE_IMAGE 已设为 ECR 中的 python-base，运行阶段基于该镜像，避免重复 apt/pip 安装
version: 0.2

phases:
  pre_build:
    commands:
      - echo Logging in to Amazon ECR...
      - "aws ecr get-login-password --region $AWS_DEFAULT_REGION | docker login --username AWS --password-stdin $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com.cn"
      - "IMAGE_TAG=$(echo $CODEBUILD_RESOLVED_SOURCE_VERSION | cut -c 1-7)"
      - "IMAGE_URI=$AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com.cn/$IMAGE_REPO_NAME:$IMAGE_TAG"
      - echo Build image $IMAGE_URI
      - "echo Using BASE_IMAGE for runtime: ${PYTHON_BASE_IMAGE:-python:3.12-slim}"
  build:
    commands:
      - echo Building frontend Vue on host to avoid Docker Hub node image
      - command -v npm >/dev/null || (dnf install -y nodejs 2>/dev/null || yum install -y nodejs 2>/dev/null || true)
      # 需安装 devDependencies（vite、@vitejs/plugin-vue）才能执行 npm run build
      - cd frontend && (npm ci 2>/dev/null || npm install) && npm run build
      - cd ..
      - |
        if [ -n "$PYTHON_BASE_IMAGE" ]; then
          docker build --build-arg BASE_IMAGE=$PYTHON_BASE_IMAGE -t $IMAGE_URI -f Dockerfile .
        else
          docker build -t $IMAGE_URI -f Dockerfile .
        fi
      - docker tag $IMAGE_URI $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com.cn/$IMAGE_REPO_NAME:latest
  post_build:
    commands:
      - docker push $IMAGE_URI
      - docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com.cn/$IMAGE_REPO_NAME:latest
      - echo Build completed on $(date)
      - echo Image $IMAGE_URI

artifacts:
  files:
    - build.log
cache:
  paths:
    - '/root/.npm/**/*'
    - 'frontend/node_modules/**/*'

env:
  variables:
    # 使用 ECR 中的 python-base 作为运行阶段基础镜像，避免 Docker Hub 超时及重复 pip 安装
    PYTHON_BASE_IMAGE: "833395216036.dkr.ecr.cn-northwest-1.amazonaws.com.cn/python-base:latest"