如何在微软文档的Kubernetes示例YAML配置中切换GitHub仓库？

Hey there! I get it, swapping out the GitHub repo behind your Azure Vote deployment can feel a bit tricky at first, but let's walk through exactly what you need to do.

First, a quick clarification: The YAML you shared uses pre-built container images from Microsoft's registry. To use your own GitHub repo's code, you'll first need to build your code into a container image (using a Dockerfile, which is typically included in the Azure Vote sample repos) and push that image to a container registry like Azure Container Registry (ACR) or Docker Hub. Once that's done, you'll update the image field in your YAML to point to your custom image.

Exact Modification Paths in Your YAML #

Here are the specific spots to update:

1. For the Frontend (azure-vote-front Deployment)

Look for the azure-vote-front Deployment section, find the containers block, and replace the existing image value with your custom image URL:

# Original line
image: mcr.microsoft.com/azuredocs/azure-vote-front:v1

# Replace with your image, e.g.:
image: your-acr-registry.azurecr.io/your-custom-azure-vote-front:latest

2. For the Backend (If You're Customizing Redis)

If you're also using a custom Redis image from your GitHub repo, update the image field in the azure-vote-back Deployment section:

# Original line
image: mcr.microsoft.com/oss/bitnami/redis:6.0.8

# Replace with your custom Redis image URL
image: your-registry.io/your-custom-redis:v1

Important Notes #

• Image Pull Access: If your container registry is private, you'll need to create an ImagePullSecret in your Kubernetes cluster and reference it in the spec.imagePullSecrets field of each Deployment. This lets K8s authenticate and pull your private images.
• Environment Variables: If your custom code requires different environment variables (e.g., a different Redis connection string), adjust the env blocks in the Deployment sections to match your app's needs. The current REDIS variable pointing to azure-vote-back works because that's the name of the backend Service—you only need to change this if you rename the backend Service.

Example Modified Frontend Deployment Snippet #

Here's how your updated azure-vote-front Deployment might look:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: azure-vote-front
spec:
  replicas: 1
  selector:
    matchLabels:
      app: azure-vote-front
  template:
    metadata:
      labels:
        app: azure-vote-front
    spec:
      nodeSelector:
        "kubernetes.io/os": linux
      # Optional: Add image pull secret if using private registry
      # imagePullSecrets:
      # - name: your-registry-secret
      containers:
      - name: azure-vote-front
        image: your-acr-name.azurecr.io/custom-azure-vote-front:v2
        resources:
          requests:
            cpu: 100m
            memory: 128Mi
          limits:
            cpu: 250m
            memory: 256Mi
        ports:
        - containerPort: 80
        env:
        - name: REDIS
          value: "azure-vote-back"

内容的提问来源于stack exchange，提问作者user770022