* 🌐 Add Russian translation for `docs/ru/docs/learn/index.md`. PR [#10539](https://github.com/tiangolo/fastapi/pull/10539) by [@AlertRED](https://github.com/AlertRED).
* 🌐 Update SQLAlchemy instruction in Chinese translation `docs/zh/docs/tutorial/sql-databases.md`. PR [#9712](https://github.com/tiangolo/fastapi/pull/9712) by [@Royc30ne](https://github.com/Royc30ne).

Just avoiding the copy of files doesn't necessarily improve things too much, but because it used the cache for that step, it can **use the cache for the next step**. For example, it could use the cache for the instruction that installs dependencies with:

```Dockerfile
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
```