* X-Forwarded-Host: o host original (`mysuperapp.com`)

Quando a **CLI do FastAPI** é configurada com `--forwarded-allow-ips`, ela confia nesses headers e os utiliza, por exemplo, para gerar as URLs corretas em redirecionamentos.

## Proxy com um prefixo de path removido { #proxy-with-a-stripped-path-prefix }

Você pode ter um proxy que adiciona um prefixo de path à sua aplicação.

**FastAPI** se asegurará de leer esos datos del lugar correcto en lugar de JSON.

/// note | Detalles Técnicos

Los datos de los forms normalmente se codifican usando el "media type" `application/x-www-form-urlencoded` cuando no incluyen archivos.

Pero cuando el formulario incluye archivos, se codifica como `multipart/form-data`. Si usas `File`, **FastAPI** sabrá que tiene que obtener los archivos de la parte correcta del cuerpo.

	copy(sortedResourceList, resourceList)
	sort.Strings(sortedResourceList)
	for i := range resourceList {
		if resourceList[i] != sortedResourceList[i] {
			t.Errorf("Expected resourceList[%d] = \"%s\", resourceList is not correctly sorted.", i, sortedResourceList[i])
			break
		}
	}
}

// Tests presigned v2 signature.
func TestDoesPresignedV2SignatureMatch(t *testing.T) {
	ctx, cancel := context.WithCancel(t.Context())
	defer cancel()

///

#### Using `list`s instead of `set`s { #using-lists-instead-of-sets }

If you forget to use a `set` and use a `list` or `tuple` instead, FastAPI will still convert it to a `set` and it will work correctly:

{* ../../docs_src/response_model/tutorial006_py310.py hl[29,35] *}

## Recap { #recap }

    Note over Server: El servidor interpreta los headers<br/>(si --forwarded-allow-ips está configurado)

    Server->>Proxy: HTTP Response<br/>con URLs HTTPS correctas

    Proxy->>Client: HTTPS Response
```

El **proxy** intercepta el request original del cliente y añade los *headers* especiales de reenvío (`X-Forwarded-*`) antes de pasar el request al **application server**.

And open the docs at <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

You will see the automatic API docs, including the paths from all the submodules, using the correct paths (and prefixes) and the correct tags:

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

## Include the same router multiple times with different `prefix` { #include-the-same-router-multiple-times-with-different-prefix }

        assertEquals(dataLength, largeResponse.getDataLength());
        assertEquals(dataRemaining, largeResponse.getDataRemaining());
    }

    @Test
    @DisplayName("Should handle empty data correctly")
    void testReadBytesWireFormatEmptyData() throws Exception {
        // Given
        byte[] buffer = new byte[256];
        int bodyStart = 0;
        int dataLength = 0;
        int dataRemaining = 0;

        } catch (Exception e) {
            // Index might not exist, ignore
        }
    }

    /**
     * Test getIndicesForAlias method with existing alias.
     * Verifies that the method correctly retrieves indices for a given alias.
     */
    @Test
    @SuppressWarnings("unchecked")
    public void testGetIndicesForAlias_existingAlias() throws Exception {
        final String indexName = "test-index-001";

    }

    @Test
    @DisplayName("Should return correct cipher ID")
    void testGetCipherId() {
        // When
        int cipherId = encryptionContext.getCipherId();

        // Then
        assertEquals(1, cipherId, "Should return the cipher ID set in constructor");
    }

    @Test
    @DisplayName("Should return correct dialect version")
    void testGetDialect() {
        // When

            assertEquals(CLOCK_SEQ_HI_AND_RESERVED, uuid.clock_seq_hi_and_reserved, "clock_seq_hi_and_reserved should be parsed correctly");
            assertEquals(CLOCK_SEQ_LOW, uuid.clock_seq_low, "clock_seq_low should be parsed correctly");
            assertArrayEquals(NODE, uuid.node, "node array should be parsed correctly");
        }

        @Test