```Python hl_lines="3"
{!../../../docs_src/behind_a_proxy/tutorial002.py!}
```

Passing the `root_path` to `FastAPI` would be the equivalent of passing the `--root-path` command line option to Uvicorn or Hypercorn.

### About `root_path`

			kmsLogIf(GlobalContext, err, "Unable to generate root credentials using KMS")
			return
		}

		aKey, err := manager.HMAC(GlobalContext, stat.DefaultKey, []byte("root access key"))
		if errors.Is(err, kes.ErrNotAllowed) {
			return // If we don't have permission to compute the HMAC, don't change the cred.
		}
		if err != nil {
			logger.Fatal(err, "Unable to generate root access key using KMS")
		}

	// for each directory whether it contains a public.crt and private.key.
	// If so, we try to add it to certificate manager.
	root, err := Open(globalCertsDir.Get())
	if err != nil {
		return nil, nil, false, err
	}
	defer root.Close()

	files, err := root.Readdir(-1)
	if err != nil {
		return nil, nil, false, err
	}
	for _, file := range files {
		// Ignore all
		// - regular files

  image: quay.io/minio/minio:RELEASE.2024-05-01T01-11-10Z
  command: server --console-address ":9001" http://minio{1...4}/data{1...2}
  expose:
    - "9000"
    - "9001"
  # environment:
    # MINIO_ROOT_USER: minioadmin
    # MINIO_ROOT_PASSWORD: minioadmin
  healthcheck:
    test: ["CMD", "mc", "ready", "local"]
    interval: 5s
    timeout: 5s
    retries: 5

# starts 4 docker containers running minio server instances.

  process --> session
  
  build_tree["build tree"]
  session --> build_tree
  
  build1["root build"]
  build_tree --> build1
  
  project1["root project"]
  build1 --> project1
  
  project2["project"]
  build1 --> project2
  
  build2["included build"]
  build_tree --> build2
  
  project3["root project"]
  build2 --> project3
  
  project4["project"]
  build2 --> project4

```

	switch cache.Info.Name {
	case "", dataUsageRoot:
		return cache, errors.New("internal error: root scan attempted")
	}
	updatePath, closeDisk := globalScannerMetrics.currentPathUpdater(basePath, cache.Info.Name)
	defer closeDisk()

	s := folderScanner{
		root:                  basePath,
		getSize:               getSize,
		oldCache:              cache,

        boolean root;

        List<InterimResult> modules = Collections.emptyList();

        ProjectBuildingResult projectBuildingResult;

        InterimResult(
                File pomFile,
                ModelBuilderRequest request,
                ModelBuilderResult result,
                MavenProject project,
                boolean root) {
            this.pomFile = pomFile;

        if (projectLocalRepository == null) {
            Path root = session.getRequest().getMultiModuleProjectDirectory().toPath();
            List<MavenProject> projects = session.getProjects();
            if (projects != null) {
                projectLocalRepository = projects.stream()
                        .filter(project -> Objects.equals(root.toFile(), project.getBasedir()))
                        .findFirst()

     */
    @Nonnull
    Path getTopDirectory();

    /**
     * Gets the root directory of the session, which is the root directory for the top directory project.
     *
     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @see Project#getRootDirectory()
     */
    @Nonnull

# Note: the normal way we use in other scripts in Istio do not work when `source`d, which is why we use this approach
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
REPO_ROOT="$(dirname "$(dirname "${SCRIPT_DIR}")")"

LOCAL_ARCH=$(uname -m)

# Pass environment set target architecture to build system
if [[ ${TARGET_ARCH} ]]; then
    # Target explicitly set
    :