我刚刚创建了我的第一个 GitHub 操作工作流,它处理 Docker 图像。它基本上是这样的:
name: My Name
on: workflow_dispatch
jobs:
whatever:
runs-on: ubuntu-latest
steps:
- env:
TARGET_DOCKER_IMAGE: node
TARGET_TAG: 14-alpine
run: |
# ... ca 20 lines of code which reference ${TARGET_DOCKER_IMAGE} and ${TARGET_TAG}
现在,我意识到我希望我的操作不仅针对 node:14-alpine
图像运行,而且还针对其他几个图像运行。我当然希望避免复制和粘贴代码。所以,我基本上需要重复相同的步骤,但使用不同的 env
值。我该怎么做?
答案 0 :(得分:1)
您可以使用 matrix strategy
执行此操作。请细看下面的例子,
jobs:
whatever:
runs-on: ubuntu-latest
strategy:
matrix:
TAG: [14-alpine, slim, buster, latest]
steps:
- env:
TARGET_DOCKER_IMAGE: node
TARGET_TAG: ${{ matrix.TAG }}
run: |
# ... ca 20 lines of code which reference ${TARGET_DOCKER_IMAGE} and ${TARGET_TAG}
下面还有一个例子,推送到多个 ECR 存储库
jobs:
build-app:
runs-on: ubuntu-latest
strategy:
matrix:
Repo: [Repo1, Repo2, Repo3]
steps:
# see: https://github.com/aws-actions/configure-aws-credentials
- name: Configure AWS Credentials
uses: aws-actions/configure-aws-credentials@v1
with:
aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
aws-region: us-east-1
# see: https://github.com/aws-actions/amazon-ecr-login
- name: Log in to Amazon ECR
id: login-ecr
uses: aws-actions/amazon-ecr-login@v1
- name: Build, tag, and push image to Amazon ECR
env:
ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
ECR_REPOSITORY: ${{ matrix.Repo }}
IMAGE_TAG: ${{ github.sha }}
run: |
docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG