But as you go away from the counter and sit at the table with a number for your turn, you can switch 🔀 your attention to your crush, and "work" ⏯ 🤓 on that. Then you are again doing something very "productive" as is flirting with your crush 😍.

          "pvt.k12.ca.us",
          "www.google.com",
          "www4.yahoo.co.uk",
          "home.netscape.com",
          "web.MIT.edu",
          "foo.eDu.au",
          "utenti.blah.IT",
          "dominio.com.co");

  private static final ImmutableSet<String> NON_RS =
      ImmutableSet.<String>builder().addAll(NON_PS).addAll(PS_NOT_RS).build();

  private static final ImmutableSet<String> TOP_UNDER_REGISTRY_SUFFIX =

          "pvt.k12.ca.us",
          "www.google.com",
          "www4.yahoo.co.uk",
          "home.netscape.com",
          "web.MIT.edu",
          "foo.eDu.au",
          "utenti.blah.IT",
          "dominio.com.co");

  private static final ImmutableSet<String> NON_RS =
      ImmutableSet.<String>builder().addAll(NON_PS).addAll(PS_NOT_RS).build();

  private static final ImmutableSet<String> TOP_UNDER_REGISTRY_SUFFIX =

# Segurança - Primeiros Passos

Vamos imaginar que você tem a sua API **backend** em algum domínio.

E você tem um **frontend** em outro domínio ou em um path diferente no mesmo domínio (ou em uma aplicação mobile).

E você quer uma maneira de o frontend autenticar o backend, usando um **username** e **senha**.

Nós podemos usar o **OAuth2** junto com o **FastAPI**.

## Conect-se com o autor

Você pode se conectar <a href="https://tiangolo.com" class="external-link" target="_blank">comigo (Sebastián Ramírez / `tiangolo`)</a>, o autor.

Você pode:

* <a href="https://github.com/tiangolo" class="external-link" target="_blank">Me siga no **GitHub**</a>.

# If you want to make a change in this file, edit the original one and run "make gen".

# The preview profile contains features that are experimental.
# This is intended to explore new features coming to Istio.
# Stability, security, and performance are not guaranteed - use at your own risk.
meshConfig:
  defaultConfig:
    proxyMetadata:
      # Enable Istio agent to handle DNS requests for known hosts

# If you want to make a change in this file, edit the original one and run "make gen".

# The preview profile contains features that are experimental.
# This is intended to explore new features coming to Istio.
# Stability, security, and performance are not guaranteed - use at your own risk.
meshConfig:
  defaultConfig:
    proxyMetadata:
      # Enable Istio agent to handle DNS requests for known hosts

# If you want to make a change in this file, edit the original one and run "make gen".

# The preview profile contains features that are experimental.
# This is intended to explore new features coming to Istio.
# Stability, security, and performance are not guaranteed - use at your own risk.
meshConfig:
  defaultConfig:
    proxyMetadata:
      # Enable Istio agent to handle DNS requests for known hosts

# If you want to make a change in this file, edit the original one and run "make gen".

# The preview profile contains features that are experimental.
# This is intended to explore new features coming to Istio.
# Stability, security, and performance are not guaranteed - use at your own risk.
meshConfig:
  defaultConfig:
    proxyMetadata:
      # Enable Istio agent to handle DNS requests for known hosts

# If you want to make a change in this file, edit the original one and run "make gen".

# The preview profile contains features that are experimental.
# This is intended to explore new features coming to Istio.
# Stability, security, and performance are not guaranteed - use at your own risk.
meshConfig:
  defaultConfig:
    proxyMetadata:
      # Enable Istio agent to handle DNS requests for known hosts