<img src="/img/tutorial/bigger-applications/image01.png">

## 🔌 🎏 📻 💗 🕰 ⏮️ 🎏 `prefix`

👆 💪 ⚙️ `.include_router()` 💗 🕰 ⏮️ *🎏* 📻 ⚙️ 🎏 🔡.

👉 💪 ⚠, 🖼, 🎦 🎏 🛠️ 🔽 🎏 🔡, ✅ `/api/v1` &amp; `/api/latest`.

👉 🏧 ⚙️ 👈 👆 5️⃣📆 🚫 🤙 💪, ✋️ ⚫️ 📤 💼 👆.

## 🔌 `APIRouter` ➕1️⃣

🎏 🌌 👆 💪 🔌 `APIRouter` `FastAPI` 🈸, 👆 💪 🔌 `APIRouter` ➕1️⃣ `APIRouter` ⚙️:

```Python

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### Pydantic v1 `regex` statt `pattern`

Vor Pydantic Version 2 und vor FastAPI Version 0.100.0, war der Name des Parameters `regex` statt `pattern`, aber das ist jetzt <abbr title="deprecated – obsolet, veraltet: Es soll nicht mehr verwendet werden">deprecated</abbr>.

Sie könnten immer noch Code sehen, der den alten Namen verwendet:

//// tab | Python 3.10+ Pydantic v1

```Python hl_lines="11"

        project.setBuild(new Build());

        // Build up an artifactMap
        project.addArtifact(new Artifact("g0", "a0", "v0", "e0", "c0"));
        project.addArtifact(new Artifact("g1", "a1", "v1", "e1", "c1"));
        project.addArtifact(new Artifact("g2", "a2", "v2", "e2", "c2"));
    }

    /**
     * <p>testValueExtraction.</p>
     *
     * @throws Exception if any.
     */
    @Test

const (
	// apiVersion is a major version of the entire api.
	// Bumping this should only be done when overall,
	// incompatible changes are made, not when adding a new handler
	// or changing an existing handler.
	apiVersion = "v1"

	// RoutePath is the remote path to connect to.
	RoutePath = "/minio/grid/" + apiVersion

	// RouteLockPath is the remote lock path to connect to.
	RouteLockPath = "/minio/grid/lock/" + apiVersion
)

	if formatV3.Erasure.This != m.Erasure.Disk {
		t.Fatalf("expected drive uuid: %s, got: %s", m.Erasure.Disk, formatV3.Erasure.This)
	}
	if len(formatV3.Erasure.Sets) != 1 {
		t.Fatalf("expected single set after migrating from v1 to v3, but found %d", len(formatV3.Erasure.Sets))
	}
	if !reflect.DeepEqual(formatV3.Erasure.Sets[0], m.Erasure.JBOD) {
		t.Fatalf("expected drive uuid: %v, got: %v", m.Erasure.JBOD, formatV3.Erasure.Sets[0])
	}

optimize versioning behavior for some specific applications. MinIO experts will evaluate and guide on the benefits for your application, please reach out to us on <https://subnet.min.io>.**

Spark/Hadoop workloads which use Hadoop MR Committer v1/v2 algorithm upload objects to a temporary prefix in a bucket. These objects are 'renamed' to a different prefix on Job commit. Object storage admins are forced to configure separate ILM policies to expire these objects and their versions to reclaim...

			Gname:    "dsnet",
			Format:   FormatGNU,
		}},
	}, {
		// BSD tar v3.1.2 and GNU tar v1.27.1 both rejects PAX records
		// with NULs in the key.
		file: "testdata/pax-nul-xattrs.tar",
		err:  ErrHeader,
	}, {
		// BSD tar v3.1.2 rejects a PAX path with NUL in the value, while
		// GNU tar v1.27.1 simply truncates at first NUL.
		// We emulate the behavior of BSD since it is strange doing NUL

				if !strings.EqualFold(strings.TrimSuffix(dv, "()"), strings.TrimSuffix(field.DefaultValue, "()")) {
					alterColumn = true
				}
			case schema.Bool:
				v1, _ := strconv.ParseBool(dv)
				v2, _ := strconv.ParseBool(field.DefaultValue)
				alterColumn = v1 != v2
			default:
				alterColumn = dv != field.DefaultValue
			}
		}
	}

	// check comment

	dataUsageBucketLen  = 11
	dataUsageVersionLen = 7
)

// ObjectsHistogramIntervalsV1 is the list of all intervals
// of object sizes to be included in objects histogram(V1).
var ObjectsHistogramIntervalsV1 = [dataUsageBucketLenV1]objectHistogramInterval{
	{"LESS_THAN_1024_B", 0, humanize.KiByte - 1},
	{"BETWEEN_1024B_AND_1_MB", humanize.KiByte, humanize.MiByte - 1},