# Run a Server Manually { #run-a-server-manually }

## Use the `fastapi run` Command { #use-the-fastapi-run-command }

In short, use `fastapi run` to serve your FastAPI application:

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> run <u style="text-decoration-style:solid">main.py</u>

  <span style="background-color:#009485"><font color="#D3D7CF"> FastAPI </font></span>  Starting production server 🚀

    /**
     * The username of the user who last updated this path mapping configuration.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this path mapping configuration was last updated.
     * Stored as a long value representing milliseconds since epoch.
     * Used for audit trail and concurrency control.
     */

        BUILD_PROJECT,
        /**
         * The request is for rebuilding the effective POM in a project on the filesystem.
         */
        BUILD_EFFECTIVE,
        /**
         * The request is used specifically to parse the POM used as a basis for creating the consumer POM.
         * This POM will not undergo any profile activation.
         */
        BUILD_CONSUMER,
        /**

 *
 * @param <MESSAGES> the type of user messages used by this validator
 */
public class FessActionValidator<MESSAGES extends UserMessages> extends ActionValidator<MESSAGES> {

    /**
     * Constructs a new FessActionValidator with the specified components.
     *
     * @param requestManager the request manager for handling HTTP requests
     * @param messagesCreator the creator for user messages

-->
<super-source path="super"/>

<inherits name="com.google.common.annotations.Annotations" />
<inherits name="com.google.gwt.core.Core" />
<inherits name="com.google.gwt.user.User" />

    return GetCheckedTypeValidatorHolder.ClassValueValidator.INSTANCE;
  }

  /**
   * Provides a check of whether an exception type is valid for use with {@link
   * FuturesGetChecked#getChecked(Future, Class)}, possibly using caching.
   *
   * <p>Uses reflection to gracefully fall back to when certain implementations aren't available.
   */
  private static final class GetCheckedTypeValidatorHolder {

-->
<super-source path="super"/>

<inherits name="com.google.common.annotations.Annotations" />
<inherits name="com.google.common.base.Base" />
<inherits name="com.google.gwt.core.Core" />
<inherits name="com.google.gwt.user.User" />

<inherits name="com.google.common.annotations.Annotations" />
<inherits name="com.google.common.escape.Escape" />
<inherits name="com.google.gwt.core.Core" />
<inherits name="com.google.gwt.junit.JUnit" />
<inherits name="com.google.gwt.user.User" />

   * contains any match for the given regular expression pattern. The test used is equivalent to
   * {@code Pattern.compile(pattern).matcher(arg).find()}
   *
   * @throws IllegalArgumentException if the pattern is invalid
   * @since 3.0
   */
  @GwtIncompatible // Only used by other GWT-incompatible code.
  public static Predicate<CharSequence> containsPattern(String pattern) {

<inherits name="com.google.common.primitives.Primitives" />
<inherits name="com.google.common.testing.Testing" />
<inherits name="com.google.gwt.core.Core" />
<inherits name="com.google.gwt.junit.JUnit" />
<inherits name="com.google.gwt.user.User" />