Refactor codebase following Clean Code principles and add 229 tests
- Extract helpers to reduce function sizes (listing_tasks, app.py, query.py, listing_fetcher) - Replace nonlocal mutations with _PipelineState dataclass in listing_tasks - Fix bugs: isinstance→equality check in repository, verify_exp for OIDC tokens - Consolidate duplicate filter methods in listing_repository - Move hardcoded config to env vars with backward-compatible defaults - Simplify CLI decorator to auto-build QueryParameters - Add deprecation docstring to data_access.py - Test count: 158 → 387 (all passing)
This commit is contained in:
Viktor Barzin
parent
7e05b3c971
commit
150342bb9e
48 changed files with 5029 additions and 990 deletions
95
.claude/CLAUDE.md
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95
.claude/CLAUDE.md
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# Realestate Crawler
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## Project Overview
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A real estate listing aggregation platform that scrapes Rightmove UK listings, extracts square meter data from floorplan images via OCR, calculates transit routes, and serves an interactive map-based web UI. The repo contains three sub-projects:
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- **`crawler/`** — Main application (Python backend + React frontend). Has its own `CLAUDE.md` with detailed architecture docs.
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- **`immoweb/`** — Separate scraper (Node.js, legacy/reference).
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- **`vqa/`** — Visual QA / testing tooling.
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## Command Execution
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**All commands run inside Docker containers.** The dev environment uses Docker Compose — start it first, then exec into containers for any operations.
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- **Infrastructure commands** (docker compose, kubectl) — Run locally on the Mac
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- **All project commands** (pytest, poetry, alembic, python, mypy, ruff, etc.) — Run inside the `app` container via `docker compose exec app <command>`
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See `.claude/skills/` for detailed skills on dev environment, building, and deploying.
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## Quick Reference
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| Action | Command | Where |
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|--------|---------|-------|
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| Start all services | `./start.sh` | `crawler/` |
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| Rebuild & start | `./start.sh --build` | `crawler/` |
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| Stop services | `./start.sh --down` | `crawler/` |
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| Run tests | `pytest tests/ -v --cov=. --cov-report=term-missing` | `crawler/` |
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| Type check | `mypy .` | `crawler/` |
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| Format code | `yapf --style .style.yapf --recursive .` | `crawler/` |
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| Lint (CI runs Ruff) | `ruff check .` | `crawler/` |
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| DB migration | `alembic upgrade head` | `crawler/` |
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| New migration | `alembic revision -m "description"` | `crawler/` |
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| Frontend dev | `cd frontend && ./start.sh` | `crawler/` |
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## Tech Stack
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- **Backend:** Python 3.13, FastAPI, SQLModel (SQLAlchemy 2), Celery + Redis, pytesseract/OpenCV
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- **Frontend:** React 19, TypeScript, Vite, Tailwind CSS, Radix UI, Mapbox GL
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- **Database:** MySQL 9 (prod) / SQLite (local dev), Alembic migrations
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- **Infrastructure:** Docker Compose (dev), Kubernetes (prod), Drone CI
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## Code Conventions
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- **Type checking:** Strict mypy (`disallow_untyped_defs=true`). All functions need type annotations.
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- **Formatting:** YAPF (`.style.yapf` config) + Ruff linter (CI on PRs).
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- **Async:** Scraper layer uses `async/await` throughout with `aiohttp`.
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- **Models:** SQLModel for DB entities, Pydantic for request/response validation.
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- **Service layer:** `services/` contains unified handlers used by both CLI and API — add new business logic here, not in API routes or CLI commands directly.
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- **Repository pattern:** `repositories/` for database queries. Don't put raw SQL in services or API.
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- **Tests:** pytest with `pytest-asyncio` (auto mode). Unit tests in `tests/unit/`, integration in `tests/integration/`.
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## Architecture Layers (in `crawler/`)
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```
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API (api/app.py) ←→ Services (services/) ←→ Repositories (repositories/)
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↑ ↑ ↑
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Auth (OIDC) Core Logic (rec/) SQLModel (models/)
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↑
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Celery Tasks (tasks/)
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```
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- `rec/` — Core scraping, OCR, routing logic. Contains circuit breaker and throttle detection.
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- `services/` — Orchestration. Query splitting, listing fetching, caching.
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- `api/` — FastAPI routes, auth middleware, metrics.
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- `models/` — `RentListing`, `BuyListing` SQLModel entities.
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- `tasks/` — Celery background tasks with Redis broker.
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- `config/` — Env-var-based configuration (scraper settings, schedules).
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## Key Design Decisions
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- **Query splitting** works around Rightmove's ~1500-result API cap by adaptively splitting queries by district, bedrooms, and price bands (binary search). See `services/query_splitter.py`.
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- **Circuit breaker** (`rec/circuit_breaker.py`) and **throttle detection** (`rec/throttle_detector.py`) protect against rate limiting.
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- **Streaming API** uses NDJSON for progressive loading of large result sets.
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- **Redis** serves dual duty as Celery broker and GeoJSON cache.
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## Environment Variables
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See `crawler/.env.sample` for the full list. Key ones:
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- `DB_CONNECTION_STRING` — Database URL
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- `CELERY_BROKER_URL` / `CELERY_RESULT_BACKEND` — Redis URLs
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- `ROUTING_API_KEY` — Google Maps API key
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- `RIGHTMOVE_*` — Scraper tuning (concurrency, delays, thresholds, proxy)
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- `SCRAPE_SCHEDULES` — JSON array of periodic scrape configs
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## Git Workflow
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- CI: Drone CI builds Docker images on push to `master`, deploys to K8s.
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- Linting: GitHub Actions runs Ruff on PR diffs.
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- Keep commits focused — one logical change per commit.
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- Group related files (e.g., code + its tests) in the same commit.
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## Directories to Ignore
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- `node_modules/`, `__pycache__/`, `.idea/`, `crawler/data/`, `venv/`, `_cache/`
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113
.claude/skills/build-and-push.md
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113
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---
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name: build-and-push
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description: |
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Build Docker images for the API and frontend, and push them to Docker Hub.
|
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Use when: (1) user wants to build new Docker images locally, (2) push images
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to the registry before deploying, (3) tag images for a release. Covers both
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the Python/FastAPI backend and the React/Nginx frontend.
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author: Claude Code
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version: 1.0.0
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date: 2026-02-06
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---
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|
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# Build and Push Docker Images
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All commands run locally. Images are pushed to Docker Hub under the `viktorbarzin` namespace.
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## Image Registries
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|
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| Component | Docker Hub repo | Dockerfile location |
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|-----------|------------------------------------|------------------------------|
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| API | `viktorbarzin/realestatecrawler` | `crawler/Dockerfile` |
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| Frontend | `viktorbarzin/immoweb` | `crawler/frontend/Dockerfile`|
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## Building Images
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### Build API image
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```bash
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docker build -t viktorbarzin/realestatecrawler:latest crawler/
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```
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### Build Frontend image
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```bash
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docker build -t viktorbarzin/immoweb:latest crawler/frontend/
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```
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|
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### Build both
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|
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```bash
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docker build -t viktorbarzin/realestatecrawler:latest crawler/ && \
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docker build -t viktorbarzin/immoweb:latest crawler/frontend/
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```
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### Build with a specific tag (recommended for production)
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|
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```bash
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# Use git commit SHA
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GIT_SHA=$(git rev-parse --short HEAD)
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docker build -t viktorbarzin/realestatecrawler:${GIT_SHA} -t viktorbarzin/realestatecrawler:latest crawler/
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docker build -t viktorbarzin/immoweb:${GIT_SHA} -t viktorbarzin/immoweb:latest crawler/frontend/
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```
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## Pushing Images
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|
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### Login to Docker Hub (if not already)
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|
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```bash
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docker login -u viktorbarzin
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```
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|
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### Push API image
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|
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```bash
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docker push viktorbarzin/realestatecrawler:latest
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```
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|
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### Push Frontend image
|
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|
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```bash
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docker push viktorbarzin/immoweb:latest
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```
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|
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### Push with specific tag
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|
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```bash
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GIT_SHA=$(git rev-parse --short HEAD)
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docker push viktorbarzin/realestatecrawler:${GIT_SHA}
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docker push viktorbarzin/realestatecrawler:latest
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docker push viktorbarzin/immoweb:${GIT_SHA}
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docker push viktorbarzin/immoweb:latest
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```
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|
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## Build and Push Everything (Full Release)
|
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|
||||
```bash
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GIT_SHA=$(git rev-parse --short HEAD)
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|
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# Build
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docker build -t viktorbarzin/realestatecrawler:${GIT_SHA} -t viktorbarzin/realestatecrawler:latest crawler/
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docker build -t viktorbarzin/immoweb:${GIT_SHA} -t viktorbarzin/immoweb:latest crawler/frontend/
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|
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# Push
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docker push viktorbarzin/realestatecrawler:${GIT_SHA}
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docker push viktorbarzin/realestatecrawler:latest
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docker push viktorbarzin/immoweb:${GIT_SHA}
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docker push viktorbarzin/immoweb:latest
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```
|
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|
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## CI/CD Note
|
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|
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Drone CI automatically builds and pushes images on push to `master` (see `.drone.yml`).
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The manual process above is for when you need to build/push outside of CI, such as:
|
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- Hotfix deployments
|
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- Testing image builds locally before pushing
|
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- Deploying from a non-master branch
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|
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## Notes
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|
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- The API Dockerfile installs system deps (OpenCV, Tesseract, MariaDB client) and Python deps via Poetry
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- The Frontend Dockerfile is a multi-stage build: Node builder -> Nginx runtime
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- Always tag with both `:latest` and a specific tag (git SHA or version) for traceability
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- Use `docker buildx` for cross-platform builds if deploying to ARM nodes
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158
.claude/skills/deploy-to-kubernetes.md
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158
.claude/skills/deploy-to-kubernetes.md
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---
|
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name: deploy-to-kubernetes
|
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description: |
|
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Deploy the realestate-crawler to the Kubernetes cluster. Use when: (1) user wants
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to deploy after building new images, (2) rollout restart to pick up new images,
|
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(3) check deployment status, pod health, or logs in production, (4) scale
|
||||
deployments up or down, (5) debug production issues.
|
||||
author: Claude Code
|
||||
version: 1.0.0
|
||||
date: 2026-02-06
|
||||
---
|
||||
|
||||
# Deploy to Kubernetes
|
||||
|
||||
All kubectl commands run locally against the K8s cluster at `10.0.20.100:6443`.
|
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Namespace: `realestate-crawler`.
|
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|
||||
## Deployments
|
||||
|
||||
| Deployment | Image | Component |
|
||||
|--------------------------|------------------------------------|-----------|
|
||||
| realestate-crawler-api | viktorbarzin/realestatecrawler | API |
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| realestate-crawler-ui | viktorbarzin/immoweb | Frontend |
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||||
|
||||
## Deploying New Images
|
||||
|
||||
### Rolling restart (picks up :latest after push)
|
||||
|
||||
```bash
|
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# Restart API deployment
|
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kubectl rollout restart deployment/realestate-crawler-api -n realestate-crawler
|
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|
||||
# Restart Frontend deployment
|
||||
kubectl rollout restart deployment/realestate-crawler-ui -n realestate-crawler
|
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|
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# Restart both
|
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kubectl rollout restart deployment/realestate-crawler-api deployment/realestate-crawler-ui -n realestate-crawler
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```
|
||||
|
||||
### Full deploy workflow (build, push, restart)
|
||||
|
||||
```bash
|
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GIT_SHA=$(git rev-parse --short HEAD)
|
||||
|
||||
# Build and push API
|
||||
docker build -t viktorbarzin/realestatecrawler:${GIT_SHA} -t viktorbarzin/realestatecrawler:latest crawler/
|
||||
docker push viktorbarzin/realestatecrawler:${GIT_SHA}
|
||||
docker push viktorbarzin/realestatecrawler:latest
|
||||
|
||||
# Build and push Frontend
|
||||
docker build -t viktorbarzin/immoweb:${GIT_SHA} -t viktorbarzin/immoweb:latest crawler/frontend/
|
||||
docker push viktorbarzin/immoweb:${GIT_SHA}
|
||||
docker push viktorbarzin/immoweb:latest
|
||||
|
||||
# Restart deployments to pick up new images
|
||||
kubectl rollout restart deployment/realestate-crawler-api -n realestate-crawler
|
||||
kubectl rollout restart deployment/realestate-crawler-ui -n realestate-crawler
|
||||
```
|
||||
|
||||
### Deploy a specific image tag
|
||||
|
||||
```bash
|
||||
# Set API to a specific image version
|
||||
kubectl set image deployment/realestate-crawler-api \
|
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realestate-crawler-api=viktorbarzin/realestatecrawler:abc1234 \
|
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-n realestate-crawler
|
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|
||||
# Set Frontend to a specific version
|
||||
kubectl set image deployment/realestate-crawler-ui \
|
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realestate-crawler-ui=viktorbarzin/immoweb:abc1234 \
|
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-n realestate-crawler
|
||||
```
|
||||
|
||||
## Checking Deployment Status
|
||||
|
||||
```bash
|
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# List all resources in namespace
|
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kubectl get all -n realestate-crawler
|
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|
||||
# Check deployment status
|
||||
kubectl get deployments -n realestate-crawler
|
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|
||||
# Check rollout status (waits for completion)
|
||||
kubectl rollout status deployment/realestate-crawler-api -n realestate-crawler
|
||||
kubectl rollout status deployment/realestate-crawler-ui -n realestate-crawler
|
||||
|
||||
# Check pods
|
||||
kubectl get pods -n realestate-crawler
|
||||
|
||||
# Describe a specific pod (events, conditions, image)
|
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kubectl describe pod <pod-name> -n realestate-crawler
|
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|
||||
# Check which image a pod is running
|
||||
kubectl get pods -n realestate-crawler -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.spec.containers[*].image}{"\n"}{end}'
|
||||
```
|
||||
|
||||
## Viewing Logs
|
||||
|
||||
```bash
|
||||
# API logs
|
||||
kubectl logs deployment/realestate-crawler-api -n realestate-crawler --tail=100 -f
|
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|
||||
# Frontend logs
|
||||
kubectl logs deployment/realestate-crawler-ui -n realestate-crawler --tail=100 -f
|
||||
|
||||
# Logs from a specific pod
|
||||
kubectl logs <pod-name> -n realestate-crawler --tail=100 -f
|
||||
|
||||
# Previous container logs (if pod crashed/restarted)
|
||||
kubectl logs <pod-name> -n realestate-crawler --previous
|
||||
```
|
||||
|
||||
## Scaling
|
||||
|
||||
```bash
|
||||
# Scale API
|
||||
kubectl scale deployment/realestate-crawler-api --replicas=2 -n realestate-crawler
|
||||
|
||||
# Scale down (e.g., for maintenance)
|
||||
kubectl scale deployment/realestate-crawler-api --replicas=0 -n realestate-crawler
|
||||
```
|
||||
|
||||
## Rollback
|
||||
|
||||
```bash
|
||||
# View rollout history
|
||||
kubectl rollout history deployment/realestate-crawler-api -n realestate-crawler
|
||||
|
||||
# Rollback to previous version
|
||||
kubectl rollout undo deployment/realestate-crawler-api -n realestate-crawler
|
||||
|
||||
# Rollback to specific revision
|
||||
kubectl rollout undo deployment/realestate-crawler-api --to-revision=3 -n realestate-crawler
|
||||
```
|
||||
|
||||
## Debugging Production Issues
|
||||
|
||||
```bash
|
||||
# Exec into a running API pod
|
||||
kubectl exec -it deployment/realestate-crawler-api -n realestate-crawler -- bash
|
||||
|
||||
# Run a one-off command
|
||||
kubectl exec deployment/realestate-crawler-api -n realestate-crawler -- python -c "print('hello')"
|
||||
|
||||
# Check pod events (useful for crash loops, image pull errors)
|
||||
kubectl get events -n realestate-crawler --sort-by='.lastTimestamp' | tail -20
|
||||
|
||||
# Port-forward to a pod for local debugging
|
||||
kubectl port-forward deployment/realestate-crawler-api 5001:5001 -n realestate-crawler
|
||||
```
|
||||
|
||||
## Notes
|
||||
|
||||
- Drone CI handles automated deployments on push to `master` (see `.drone.yml`)
|
||||
- Use manual deployment for hotfixes, testing, or deploying from non-master branches
|
||||
- The K8s cluster is at `10.0.20.100:6443` (context: `kubernetes-admin@kubernetes`)
|
||||
- If pods aren't picking up new `:latest` images, check the `kubernetes-latest-tag-image-pull` skill
|
||||
- Always verify the rollout completed with `kubectl rollout status` after deploying
|
||||
144
.claude/skills/dev-environment.md
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144
.claude/skills/dev-environment.md
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|
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|
|||
---
|
||||
name: dev-environment
|
||||
description: |
|
||||
Start, stop, rebuild, and manage the local Docker Compose development environment
|
||||
for the realestate-crawler project. Use when: (1) user wants to start/stop the dev
|
||||
environment, (2) needs to rebuild after code changes, (3) wants to check service
|
||||
status or view logs, (4) needs to run database migrations.
|
||||
author: Claude Code
|
||||
version: 1.0.0
|
||||
date: 2026-02-06
|
||||
---
|
||||
|
||||
# Dev Environment Management
|
||||
|
||||
Docker Compose orchestrates the dev environment locally from `crawler/`. All project
|
||||
commands (pytest, alembic, mypy, python, etc.) must run inside the `app` container
|
||||
via `docker compose exec app <command>`. Only docker/kubectl commands run on the host.
|
||||
|
||||
## Starting the Dev Environment
|
||||
|
||||
```bash
|
||||
# Start all services (Redis, MySQL, API, Celery worker, Celery beat)
|
||||
cd crawler && docker compose up
|
||||
|
||||
# Start in detached mode (background)
|
||||
cd crawler && docker compose up -d
|
||||
|
||||
# Rebuild images and start (after Dockerfile or dependency changes)
|
||||
cd crawler && docker compose up --build
|
||||
|
||||
# Or use the start.sh helper
|
||||
cd crawler && ./start.sh # foreground
|
||||
cd crawler && ./start.sh --build # rebuild first
|
||||
```
|
||||
|
||||
## Stopping the Dev Environment
|
||||
|
||||
```bash
|
||||
cd crawler && docker compose down
|
||||
|
||||
# Also remove volumes (fresh database, fresh Redis)
|
||||
cd crawler && docker compose down -v
|
||||
|
||||
# Or use the helper
|
||||
cd crawler && ./start.sh --down
|
||||
```
|
||||
|
||||
## Checking Status
|
||||
|
||||
```bash
|
||||
# List running containers
|
||||
cd crawler && docker compose ps
|
||||
|
||||
# Check health status
|
||||
cd crawler && docker compose ps --format "table {{.Name}}\t{{.Status}}"
|
||||
```
|
||||
|
||||
## Viewing Logs
|
||||
|
||||
```bash
|
||||
# Follow all service logs
|
||||
cd crawler && docker compose logs -f
|
||||
|
||||
# Follow specific service logs
|
||||
cd crawler && docker compose logs -f app
|
||||
cd crawler && docker compose logs -f celery
|
||||
cd crawler && docker compose logs -f celery-beat
|
||||
cd crawler && docker compose logs -f mysql
|
||||
cd crawler && docker compose logs -f redis
|
||||
|
||||
# Or use the helper
|
||||
cd crawler && ./start.sh --logs
|
||||
```
|
||||
|
||||
## Restarting Individual Services
|
||||
|
||||
```bash
|
||||
# Restart just the API (e.g., after config change)
|
||||
cd crawler && docker compose restart app
|
||||
|
||||
# Restart Celery worker
|
||||
cd crawler && docker compose restart celery
|
||||
|
||||
# Rebuild and restart a single service
|
||||
cd crawler && docker compose up --build app
|
||||
```
|
||||
|
||||
## Running Database Migrations
|
||||
|
||||
```bash
|
||||
# Apply pending migrations
|
||||
cd crawler && docker compose exec app alembic upgrade head
|
||||
|
||||
# Create a new migration
|
||||
cd crawler && docker compose exec app alembic revision -m "description"
|
||||
```
|
||||
|
||||
## Running Tests Inside Container
|
||||
|
||||
```bash
|
||||
cd crawler && docker compose exec app pytest tests/ -v --cov=. --cov-report=term-missing
|
||||
```
|
||||
|
||||
## Running Any Command Inside Container
|
||||
|
||||
All project commands must be run inside the `app` container:
|
||||
|
||||
```bash
|
||||
# General pattern
|
||||
cd crawler && docker compose exec app <command>
|
||||
|
||||
# Examples
|
||||
cd crawler && docker compose exec app python main.py dump-listings --type rent
|
||||
cd crawler && docker compose exec app mypy .
|
||||
cd crawler && docker compose exec app ruff check .
|
||||
cd crawler && docker compose exec app poetry install
|
||||
cd crawler && docker compose exec app bash # interactive shell
|
||||
```
|
||||
|
||||
## Services and Ports
|
||||
|
||||
| Service | Container | Port | Description |
|
||||
|-------------|-----------------|-------|--------------------------------|
|
||||
| redis | rec-redis | 6379 | Celery broker + GeoJSON cache |
|
||||
| mysql | rec-mysql | 3306 | Primary database |
|
||||
| app | rec-app | 5001 | FastAPI server (hot-reload) |
|
||||
| celery | rec-celery | - | Background task worker |
|
||||
| celery-beat | rec-celery-beat | - | Periodic task scheduler |
|
||||
|
||||
## Environment Variables
|
||||
|
||||
Key env vars are set in `docker-compose.yml`. To override locally, create a `.env` file
|
||||
in `crawler/` (see `.env.sample`). Key overrides:
|
||||
|
||||
- `ROUTING_API_KEY` - Google Maps API key (passed from host env)
|
||||
- `SCRAPE_SCHEDULES` - JSON array of periodic scrape configs (passed from host env)
|
||||
|
||||
## Notes
|
||||
|
||||
- The API server has hot-reload enabled for `api/`, `services/`, `repositories/`, and `models/` directories
|
||||
- Source code is bind-mounted into containers, so local edits are reflected immediately
|
||||
- Python virtualenv is stored in a named Docker volume (`app_venv`) shared across app, celery, and celery-beat
|
||||
- MySQL data persists in the `mysql_data` volume; Redis data in `redis_data`
|
||||
- Use `docker compose down -v` to reset all data (volumes)
|
||||
Loading…
Add table
Add a link
Reference in a new issue