err := DB.Preload("Level2.Level3.Level4s").Find(&got).Error
	if err != nil {
		t.Error(err)
	}

	for _, level1 := range append(got, want...) {
		sort.Slice(level1.Level2.Level3.Level4s, func(i, j int) bool {
			return level1.Level2.Level3.Level4s[i].ID > level1.Level2.Level3.Level4s[j].ID
		})
	}

	if !reflect.DeepEqual(got, want) {
		t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))

Eine weitere wichtige Funktion, benötigt von APIs, ist die Datenvalidierung, welche sicherstellt, dass die Daten unter gegebenen Umständen gültig sind. Zum Beispiel, dass ein Feld ein `int` ist und kein zufälliger String. Das ist besonders nützlich für hereinkommende Daten.

Ohne ein Datenvalidierungssystem müssten Sie alle Prüfungen manuell im Code durchführen.

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 { #dockerfile }

Now in the same project directory create a file `Dockerfile` with:

```{ .dockerfile .annotate }

    Map<String, String> getEffectiveProperties(@Nullable Project project);

    /**
     * Returns the degree of concurrency for the build.
     *
     * @return  the degree of concurrency
     */
    int getDegreeOfConcurrency();

    /**
     * Retrieves a list of projects associated with the session.
     *
     * @return a list of projects, never {@code null}
     */
    @Nonnull

    *   Added 8-bit/16-bit/32-bit int/uint support for the built-in op `right_shift`
    *   Added reference implementation for 16-bit int unquantized `add`.
    *   Added reference implementation for 16-bit int and 32-bit unsigned int unquantized `mul`.
    *   `add_op` supports broadcasting up to 6 dimensions.
    *   Added 16-bit support for `top_k`.

*   `tf.function`

            return getKey().equals(otherPlugin.getKey());
        }
        return false;
    }

    /**
     * @see java.lang.Object#hashCode()
     */
    public int hashCode() {
        return getKey().hashCode();
    }

    /**
     * @see java.lang.Object#toString()
     */
    public String toString() {
        return "Plugin [" + getKey() + "]";
    }

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 { #dockerfile }

Agora, no mesmo diretório do projeto, crie um arquivo `Dockerfile` com:

from typing import Annotated, Literal

from fastapi import FastAPI, Query
from pydantic import BaseModel, Field

app = FastAPI()


class FilterParams(BaseModel):
    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: list[str] = []


@app.get("/items/")

		ReqParams:    extractReqParams(r),
		RespElements: extractRespElements(w),
		UserAgent:    r.UserAgent(),
		Host:         handlers.GetSourceIP(r),
	}
	sendEvent(evt)
	if objInfo.NumVersions > int(scannerExcessObjectVersions.Load()) {
		evt.EventName = event.ObjectManyVersions
		sendEvent(evt)

		auditLogInternal(context.Background(), AuditLogOptions{
			Event:     "scanner:manyversions",

func (s *peerRESTServer) ConsoleLogHandler(ctx context.Context, params *grid.MSS, out chan<- *grid.Bytes) *grid.RemoteErr {
	mask, err := strconv.Atoi(params.Get(peerRESTLogMask))
	if err != nil {
		mask = int(madmin.LogMaskAll)
	}
	ch := make(chan log.Info, 1000)
	err = globalConsoleSys.Subscribe(ch, ctx.Done(), "", 0, madmin.LogMask(mask), nil)
	if err != nil {
		return grid.NewRemoteErr(err)
	}
	var buf bytes.Buffer