{{- end }}
    {{- with (valueOrDefault .MeshConfig.TrustDomain .Values.global.trustDomain)  }}
    - name: TRUST_DOMAIN
      value: "{{ . }}"
    {{- end }}
    {{- if and (eq .Values.global.proxy.tracer "datadog") (isset .ObjectMeta.Annotations `apm.datadoghq.com/env`) }}
    {{- range $key, $value := fromJSON (index .ObjectMeta.Annotations `apm.datadoghq.com/env`) }}
    - name: {{ $key }}
      value: "{{ $value }}"

    {{- end }}
    {{- with (valueOrDefault .MeshConfig.TrustDomain .Values.global.trustDomain)  }}
    - name: TRUST_DOMAIN
      value: "{{ . }}"
    {{- end }}
    {{- if and (eq .Values.global.proxy.tracer "datadog") (isset .ObjectMeta.Annotations `apm.datadoghq.com/env`) }}
    {{- range $key, $value := fromJSON (index .ObjectMeta.Annotations `apm.datadoghq.com/env`) }}
    - name: {{ $key }}
      value: "{{ $value }}"

   * the full, recursive stack trace of {@code throwable}. Note that you probably should not be
   * parsing the resulting string; if you need programmatic access to the stack frames, you can call
   * {@link Throwable#getStackTrace()}.
   */
  @GwtIncompatible // java.io.PrintWriter, java.io.StringWriter
  public static String getStackTraceAsString(Throwable throwable) {

   * the full, recursive stack trace of {@code throwable}. Note that you probably should not be
   * parsing the resulting string; if you need programmatic access to the stack frames, you can call
   * {@link Throwable#getStackTrace()}.
   */
  @GwtIncompatible // java.io.PrintWriter, java.io.StringWriter
  public static String getStackTraceAsString(Throwable throwable) {

Era `upper`? O era `uppercase`? `first_uppercase`? `capitalize`?

Luego lo intentas con el viejo amigo de los programadores, el auto-completado del editor.

Escribes el primer parámetro de la función `first_name`, luego un punto (`.`) y luego presionas `Ctrl+Space` para iniciar el auto-completado.

Tristemente, no obtienes nada útil:

---

## Instala FastAPI

El primer paso es instalar FastAPI.

Para el tutorial, es posible que quieras instalarlo con todas las dependencias y características opcionales:

<div class="termy">

```console
$ pip install "fastapi[all]"

---> 100%

import org.objectweb.asm.AnnotationVisitor
import org.objectweb.asm.Attribute
import org.objectweb.asm.ClassReader
import org.objectweb.asm.ClassReader.SKIP_CODE
import org.objectweb.asm.ClassReader.SKIP_FRAMES
import org.objectweb.asm.FieldVisitor
import org.objectweb.asm.Opcodes.ACC_ABSTRACT
import org.objectweb.asm.Opcodes.ACC_PUBLIC
import org.objectweb.asm.Opcodes.ACC_STATIC
import org.objectweb.asm.Opcodes.ACC_SYNTHETIC

    assertThat(firstFrame(logs, "HEADERS")!!, "header logged")
      .contains("HEADERS       END_HEADERS")
    // While MockWebServer waits to read the client's HEADERS frame before sending the response, it
    // doesn't wait to read the client's DATA frame and may send a DATA frame before the client
    // does. So we can't assume the client's empty DATA will be logged first.

      statusPort: 15020
      # Specify which tracer to use. One of: zipkin, lightstep, datadog, stackdriver, none.
      # If using stackdriver tracer outside GCP, set env GOOGLE_APPLICATION_CREDENTIALS to the GCP credential file.
      tracer: "none"
    proxy_init:
      # Base name for the proxy_init container, used to configure iptables.
      image: proxyv2

      statusPort: 15020

      # Specify which tracer to use. One of: zipkin, lightstep, datadog, stackdriver, none.
      # If using stackdriver tracer outside GCP, set env GOOGLE_APPLICATION_CREDENTIALS to the GCP credential file.
      tracer: "none"

    proxy_init:
      # Base name for the proxy_init container, used to configure iptables.
      image: proxyv2