🧩 Example: Pod with Prisma Migration Sidecar

sidecar-prisma-manifest.yaml

apiVersion: v1
kind: Pod
metadata:
  name: my-app-with-prisma-migrate
  labels:
    app: my-app
spec:
  restartPolicy: Always
  containers:
    # --- Main Application Container ---
    - name: my-app
      image: myregistry/my-app:latest
      ports:
        - containerPort: 3000
      env:
        - name: DATABASE_URL
          valueFrom:
            secretKeyRef:
              name: my-database-secret
              key: DATABASE_URL
      # Optional: wait for migration sidecar to finish
      readinessProbe:
        httpGet:
          path: /health
          port: 3000
        initialDelaySeconds: 10
        periodSeconds: 5

    # --- Sidecar for Prisma Migrations ---
    - name: prisma-migrate
      image: myregistry/my-app:latest
      command: ["sh", "-c"]
      args:
        - |
          echo "Running Prisma migrations..." && \
          npm run prisma:migrate:prod
      env:
        - name: DATABASE_URL
          valueFrom:
            secretKeyRef:
              name: my-database-secret
              key: DATABASE_URL
      # this ensures migrations complete before the main app runs
      lifecycle:
        postStart:
          exec:
            command: ["sh", "-c", "echo 'Migration sidecar started'"]