entryPoints = ["http"]
      service = "app"
      rule = "PathPrefix(`/api/v1`)"
      middlewares = ["api-stripprefix"]

  [http.services]

    [http.services.app]
      [http.services.app.loadBalancer]
        [[http.services.app.loadBalancer.servers]]
          url = "http://127.0.0.1:8000"
```

这个文件配置 Traefik 使用路径前缀 `/api/v1`。

然后，它把请求重定位到运行在 `http://127.0.0.1:8000` 上的 Uvicorn。

	// In 1.22, we remove the default tracing config which points to zipkin.istio-system
	// This has no effect for users, unless they have this service.
	svc, err := cli.Kube().CoreV1().Services("istio-system").Get(context.Background(), "zipkin", metav1.GetOptions{})
	if err != nil && !kerrors.IsNotFound(err) {
		return err
	}
	if err != nil {
		// not found
		return nil
	}
	// found

                }
              ]
            },
            "metadata": {
              "filter_metadata": {
                "istio": {
                  "default_original_port": 9080,
                  "services": [
                    {
                      "host": "productpage.default.svc.cluster.local",
                      "namespace": "default",
                      "name": "productpage"
                    }

   * xStats().populationVariance() > 0.0 || yStats().populationVariance() > 0.0}). The result is
   * guaranteed to be horizontal if there is variance in the {@code x} data but not the {@code y}
   * data, and vertical if there is variance in the {@code y} data but not the {@code x} data.
   *
   * <p>This fit minimizes the root-mean-square error in {@code y} as a function of {@code x}. This

import org.apache.maven.api.VersionRange;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;
import org.apache.maven.api.model.Repository;
import org.apache.maven.api.services.*;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;

import static org.apache.maven.internal.impl.Utils.map;

import org.gradle.api.file.FileSystemOperations
import org.gradle.api.internal.tasks.testing.junit.result.TestResultSerializer
import org.gradle.api.provider.MapProperty
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.internal.exceptions.DefaultMultiCauseException
import org.gradle.tooling.events.FinishEvent
import org.gradle.tooling.events.OperationCompletionListener

import org.apache.maven.api.Dependency;
import org.apache.maven.api.JavaPathType;
import org.apache.maven.api.Node;
import org.apache.maven.api.PathType;
import org.apache.maven.api.services.DependencyResolverRequest;
import org.apache.maven.api.services.DependencyResolverResult;

/**
 * The result of collecting dependencies with a dependency resolver.
 * New instances are initially empty. Callers must populate with calls

    <suppress checks="JavadocPackage"
              files=".*[/\\]base-services[/\\]src[/\\]main[/\\]java[/\\]org[/\\]gradle[/\\]api[/\\][^/\\]+"/>
    <suppress checks="JavadocPackage"
              files=".*[/\\]base-services-groovy[/\\]src[/\\]main[/\\]java[/\\]org[/\\]gradle[/\\]api[/\\][^/\\]+"/>
    <suppress checks="JavadocPackage"
              files=".*[/\\]base-services-groovy[/\\]src[/\\]main[/\\]java[/\\]org[/\\]gradle[/\\]api[/\\]specs[/\\][^/\\]+"/>

SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY

      entryPoints = ["http"]
      service = "app"
      rule = "PathPrefix(`/api/v1`)"
      middlewares = ["api-stripprefix"]

  [http.services]

    [http.services.app]
      [http.services.app.loadBalancer]
        [[http.services.app.loadBalancer.servers]]
          url = "http://127.0.0.1:8000"
```

👉 📁 🔗 Traefik ⚙️ ➡ 🔡 `/api/v1`.