GCP

☁️ Skill: Google Cloud Platform Backend

📋 Metadata

🔑 Keywords

• gcp, google-cloud, gke, cloud-run, cloud-sql, firebase, @skill:gcp

📖 Descripción

GCP ofrece servicios cloud para backends Flutter: GKE (Kubernetes), Cloud Run (serverless containers), Cloud SQL, Firebase, Cloud Storage y más.

💻 Servicios Principales

1. GKE (Google Kubernetes Engine)

# Crear cluster
gcloud container clusters create myapp-prod \
  --zone us-central1-a \
  --num-nodes 3 \
  --machine-type n1-standard-2 \
  --enable-autoscaling \
  --min-nodes 2 \
  --max-nodes 10 \
  --enable-autorepair \
  --enable-autoupgrade

# Configure kubectl
gcloud container clusters get-credentials myapp-prod --zone us-central1-a

2. Cloud Run (Serverless Containers)

# service.yaml
apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: myapp-backend
spec:
  template:
    metadata:
      annotations:
        autoscaling.knative.dev/minScale: "1"
        autoscaling.knative.dev/maxScale: "10"
    spec:
      containers:
      - image: gcr.io/myproject/backend:latest
        ports:
        - containerPort: 8080
        resources:
          limits:
            memory: 512Mi
            cpu: "1"

# Deploy
gcloud run deploy myapp-backend \
  --image gcr.io/myproject/backend:latest \
  --platform managed \
  --region us-central1 \
  --allow-unauthenticated \
  --memory 512Mi \
  --max-instances 10

3. Cloud SQL (PostgreSQL)

# Create instance
gcloud sql instances create myapp-db \
  --database-version=POSTGRES_15 \
  --tier=db-g1-small \
  --region=us-central1 \
  --backup \
  --backup-start-time=03:00 \
  --enable-bin-log \
  --maintenance-window-day=SUN \
  --maintenance-window-hour=04

# Create database
gcloud sql databases create myapp_prod --instance=myapp-db

# Create user
gcloud sql users create admin \
  --instance=myapp-db \
  --password=SecurePassword123!

4. Cloud Storage

# Create bucket
gsutil mb -l us-central1 gs://myapp-storage-prod

# Set CORS
echo '[
  {
    "origin": ["*"],
    "method": ["GET", "POST", "PUT"],
    "responseHeader": ["Content-Type"],
    "maxAgeSeconds": 3600
  }
]' > cors.json

gsutil cors set cors.json gs://myapp-storage-prod

5. Firebase Integration

# Initialize Firebase
firebase init

# Deploy Functions
firebase deploy --only functions

# Deploy Firestore rules
firebase deploy --only firestore:rules

# Deploy Hosting
firebase deploy --only hosting

🎯 Mejores Prácticas

1. Use GKE Autopilot para managed Kubernetes
2. Cloud Run para cargas serverless
3. Cloud SQL Proxy para conexiones seguras
4. Secret Manager para credentials
5. Cloud Monitoring para observability
6. IAM roles granulares
7. Cloud Armor para DDoS protection

📚 Recursos

• GCP Documentation
• GKE Best Practices

Versión: 1.0.0