!!! tip
    In a hurry and already know this stuff? Jump to the [`Dockerfile` below 👇](#build-a-docker-image-for-fastapi).

<details>
<summary>Dockerfile Preview 👀</summary>

```Dockerfile
FROM python:3.9

WORKDIR /code

COPY ./requirements.txt /code/requirements.txt

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

COPY ./app /code/app

* Update GitHub Actions, use commit from PR for docs preview, not commit from pre-merge. PR [#1761](https://github.com/tiangolo/fastapi/pull/1761).
* Update GitHub Actions, refactor Gitter bot. PR [#1746](https://github.com/tiangolo/fastapi/pull/1746).

## 0.60.0

* Add GitHub Action to watch for missing preview docs and trigger a preview deploy. PR [#1740](https://github.com/tiangolo/fastapi/pull/1740).

## Major Features And Improvements

*   [Eager execution](https://github.com/tensorflow/tensorflow/tree/r1.5/tensorflow/contrib/eager)
    preview version is now available.
*   [TensorFlow Lite](https://github.com/tensorflow/tensorflow/tree/r1.5/tensorflow/lite)
    dev preview is now available.
*   CUDA 9.0 and cuDNN 7 support.
*   Accelerated Linear Algebra (XLA):
    *   Add `complex64` support to XLA compiler.

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