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MinglarBackendNestJS/docs/serverless-split-services.md

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# Split Serverless services (deploy order)
This repo is split into multiple Serverless configs so you can deploy smaller CloudFormation stacks instead of one huge stack.
## Config files
- `serverless.layers.yml`: Prisma layer stack (deploy once per stage)
- `serverless.host.yml`: Host + PQQ functions (owns the shared HTTP API)
- `serverless.admin.yml`: Minglar Admin functions (attaches routes to Host HTTP API)
- `serverless.user.yml`: User functions (attaches routes to Host HTTP API)
- `serverless.prepopulate.yml`: Prepopulate functions (attaches routes to Host HTTP API)
## Deploy order (per stage)
1) Deploy the layer:
```bash
npx serverless deploy --config serverless.layers.yml --stage dev
```
2) Deploy Host (creates the HTTP API + routes for host functions):
```bash
npx serverless deploy --config serverless.host.yml --stage dev
```
3) Deploy remaining services (they reuse Host's HTTP API id):
```bash
npx serverless deploy --config serverless.admin.yml --stage dev
npx serverless deploy --config serverless.user.yml --stage dev
npx serverless deploy --config serverless.prepopulate.yml --stage dev
```
## Deploy a single function
```bash
npx serverless deploy function --config serverless.host.yml --stage dev -f getHosts
```