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.opencode/skills/deploy/references/platforms/aws.md

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+# AWS (Amplify / S3 / ECS)
+
+## Amplify Hosting
+```bash
+npm install -g @aws-amplify/cli
+amplify configure
+amplify init
+amplify publish
+```
+
+### Config: amplify.yml
+```yaml
+version: 1
+frontend:
+  phases:
+    preBuild:
+      commands:
+        - npm ci
+    build:
+      commands:
+        - npm run build
+  artifacts:
+    baseDirectory: dist
+    files:
+      - '**/*'
+  cache:
+    paths:
+      - node_modules/**/*
+```
+
+### Free Tier (12 months)
+1000 build min/mo, 15GB storage, 15GB bandwidth.
+After: $0.01/build min, $0.023/GB storage, $0.15/GB served.
+
+## S3 Static Hosting
+```bash
+aws s3 sync ./dist s3://BUCKET_NAME --delete
+aws s3 website s3://BUCKET_NAME --index-document index.html --error-document error.html
+```
+
+### Free Tier (12 months)
+5GB storage, 20K GET, 2K PUT requests.
+
+## ECS Fargate
+```bash
+aws ecs update-service --cluster CLUSTER --service SERVICE --force-new-deployment
+```
+Config: `task-definition.json`. No free tier.
+
+## Detection
+- `amplify.yml`, `buildspec.yml` → Amplify
+- S3 bucket policy JSON → S3
+- `task-definition.json` → ECS
+
+## Best For
+- Amplify: static sites + serverless backends
+- S3 + CloudFront: cheapest static at scale
+- ECS: enterprise containerized workloads