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README.md

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+# fastapi-todo-api
+
+Minimalan FastAPI REST API s PostgreSQL bazom — za studentske GitOps vježbe na FPMOZ.
+
+## Endpointi
+
+| Metoda | URL | Opis |
+|--------|-----|------|
+| GET | `/health` | Status aplikacije i baze |
+| GET | `/todos` | Lista svih zapisa |
+| GET | `/todos/{id}` | Jedan zapis |
+| POST | `/todos` | Kreiraj zapis |
+| PUT | `/todos/{id}` | Ažuriraj zapis |
+| DELETE | `/todos/{id}` | Obriši zapis |
+
+Swagger dokumentacija: `http://localhost:8000/docs`
+
+## Lokalno pokretanje
+
+```
+docker compose up --build
+```
+
+## Environment varijable
+
+| Varijabla | Default | Opis |
+|-----------|---------|------|
+| `DATABASE_HOST` | `localhost` | Hostname baze |
+| `DATABASE_PORT` | `5432` | Port baze |
+| `POSTGRES_USER` | `fastapiuser` | Korisnik baze |
+| `POSTGRES_PASSWORD` | `student123` | Lozinka baze |
+| `POSTGRES_DB` | `fastapidb` | Naziv baze |
+
+## Build i push na Docker Hub
+
+```
+docker build -t vasic/fastapi-todo-api:1.0 .
+docker push vasic/fastapi-todo-api:1.0
+```