zabbix-graphql-api/docs/howtos/maintenance.md
Andreas Hilbig 67357d0bc3 feat: implement smoketest and extend host provisioning with template linking
- Add runSmoketest mutation to automate end-to-end verification.

- Add SmoketestExecutor and HostDeleter to support automated testing and cleanup.

- Extend createHost and importHosts to allow linking templates by name or ID.

- Update docs/howtos/cookbook.md with new recipe steps and AI/MCP guidance.

- Update .junie/guidelines.md with new verification and deployment standards.

- Add src/test/template_link.test.ts and update existing tests to cover new functionality.

- Regenerate GraphQL types to match schema updates.
2026-01-31 11:46:02 +01:00

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Markdown

# Technical Maintenance Guide
This guide covers the technical aspects of maintaining and developing the Zabbix GraphQL API.
## 🛠️ Development & Maintenance Tasks
### Code Generation
The project uses [GraphQL Codegen](https://the-guild.dev/graphql/codegen) to generate TypeScript types from the GraphQL schema. This ensures type safety and consistency between the schema and the implementation.
- **Configuration**: `codegen.ts`
- **Generated Output**: `src/schema/generated/graphql.ts`
#### How to Regenerate Types
Whenever you modify any `.graphql` files in the `schema/` directory, you must regenerate the TypeScript types.
For a one-off update (e.g. in a script or before commit):
```bash
npx graphql-codegen --config codegen.ts
```
If you are a developer and want to watch for schema changes continuously:
```bash
npm run codegen
```
### Testing
We use [Jest](https://jestjs.io/) for unit and integration testing.
- **Test Directory**: `src/test/`
- **Execution**:
```bash
npm run test
```
#### Adding New Tests
- **Location**: Place new test files in `src/test/` with the `.test.ts` extension.
- **Coverage**: Ensure you cover both successful operations and error scenarios.
- **Best Practice**: If you find a bug, first create a reproduction test in `src/test/` to verify the fix.
## 🔄 Updating Dependencies
To keep the project secure and up-to-date:
1. Check for updates: `npm outdated`
2. Update packages: `npm update`
3. Verify with tests: `npm run test`
## 🐳 Docker Image Maintenance
The `Dockerfile` uses a multi-stage build to keep the production image small and secure.
- **Base Image**: Node 24 (LTS)
- **Build Argument**: `API_VERSION` (used to embed the version into the image)
To build a fresh image locally:
```bash
docker build -t zabbix-graphql-api --build-arg API_VERSION=$(git describe --tags --always) .
```
---
**Related Reference**: [Project Configuration Reference](../../README.md#configuration)
**Related Cookbook**: [Extending the Schema](./cookbook.md#recipe-extending-schema-with-a-new-device-type)