from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
    return {"item_id": item_id, "q": q}
```

### Dockerfile

同じプロジェクト・ディレクトリに`Dockerfile`というファイルを作成します：

```{ .dockerfile .annotate }
# (1)
FROM python:3.9

- Reverted the previous fix for portforward cleanup because it introduced a kubelet regression which can lead into segmentation faults. ([#102588](https://github.com/kubernetes/kubernetes/pull/102588), [@saschagrunert](https://github.com/saschagrunert)) [SIG API Machinery and Node]

### Other (Cleanup or Flake)

## Changelog since v1.18.19

## Changes by Kind

### Bug or Regression

- Reverted the previous fix for portforward cleanup because it introduced a kubelet regression which can lead into segmentation faults. ([#102838](https://github.com/kubernetes/kubernetes/pull/102838), [@saschagrunert](https://github.com/saschagrunert)) [SIG API Machinery and Node]

## Dependencies

### Added
_Nothing has changed._

font-size($small-font-size);\n  font-weight: $font-weight-normal;\n}\n\nmark,\n.mark {\n  padding: $mark-padding;\n  background-color: $mark-bg;\n}\n\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism {\n  @include...

font-size($small-font-size);\n  font-weight: $font-weight-normal;\n}\n\nmark,\n.mark {\n  padding: $mark-padding;\n  background-color: $mark-bg;\n}\n\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism {\n  @include...

were [vulnerable to race conditions](https://github.com/kubernetes/kubernetes/pull/102344) leading to early shutdown, resource leaks, or long delays in actually completing pod shutdown. As a consequence of this change the Kubelet now correctly takes into account the resources of running and terminating pods when deciding to accept new pods, since terminating pods are still holding on to those resources. This stricter handling may surface to end users as pod rejections when creating pods that are scheduled...

	INSERTPS $7, X2, X11                    // 66440f3a21da07
	INSERTPS $7, X11, X11                   // 66450f3a21db07
	INSW                                    // 666d
	//TODO: INT $3                          // cc
	INT $7                                  // cd07
	INVD                                    // 0f08
	INVLPG (BX)                             // 0f013b
	INVLPG (R11)                            // 410f013b

background-image: radial-gradient(rgba(255, 255, 255, 0.65) 0%, rgba(255, 255, 255, 0.15) 100%);\n  height: 12px;\n}\n\n.pace-progress-color-gray-dark .pace-progress {\n  color: #343a40;\n}\n\n/**\n  * bootstrap-switch - Turn checkboxes and radio buttons into toggle switches.\n  *\n  * @version v3.4 (MODDED)\n  * @homepage https://bttstrp.github.io/bootstrap-switch\n  * @author Mattia Larentis <******@****.***> (http://larentis.eu)\n  * @license MIT\n  */\n.bootstrap-switch {\n  border: 1px solid #ced4da;\n...

3303          ; mapped                 ; 30A2 30FC 30EB #1.1  SQUARE AARU
3304          ; mapped                 ; 30A4 30CB 30F3 30B0 #1.1 SQUARE ININGU
3305          ; mapped                 ; 30A4 30F3 30C1 #1.1  SQUARE INTI
3306          ; mapped                 ; 30A6 30A9 30F3 #1.1  SQUARE UON
3307          ; mapped                 ; 30A8 30B9 30AF 30FC 30C9 #1.1 SQUARE ESUKUUDO