FastAPI Cloud is the primary sponsor and funding provider for the *FastAPI and friends* open source projects. ✨

#### Deploy to other cloud providers { #deploy-to-other-cloud-providers }

FastAPI is open source and based on standards. You can deploy FastAPI apps to any cloud provider you choose.

Follow your cloud provider's guides to deploy FastAPI apps with them. 🤓

    boolean isEncryptionEnabled();

    /**
     * Property {@code jcifs.smb.client.preferredCiphers} (string, default "AES_128_GCM,AES_128_CCM,AES_256_GCM,AES_256_CCM")
     *
     * @return preferred encryption cipher list in order of preference for SMB3 encryption
     * @since 2.2
     */
    String getPreferredCiphers();

    /**
     * Property {@code jcifs.smb.client.aes256Enabled} (boolean, default true)
     *

   * may prefer to invoke that method directly; this method exists only for consistency with the
   * other utilities in this package.
   *
   * <p><b>Note:</b> this method simply delegates to the JDK method {@link Float#compare}. It is
   * provided for consistency with the other primitive types, whose compare methods were not added
   * to the JDK until JDK 7.
   *
   * @param a the first {@code float} to compare

   *
   * @throws IOException if an I/O error occurs while reading from this source or {@code other}
   */
  public boolean contentEquals(ByteSource other) throws IOException {
    checkNotNull(other);

    Closer closer = Closer.create();
    try {
      return ByteStreams.contentsEqual(
          closer.register(openStream()), closer.register(other.openStream()));
    } catch (Throwable e) {
      throw closer.rethrow(e);

 * #putAll} is implemented in terms of {@link #put}, {@link #invalidateAll(Iterable)} is implemented
 * in terms of {@link #invalidate}. The method {@link #cleanUp} is a no-op. All other methods throw
 * an {@link UnsupportedOperationException}.
 *
 * @author Charles Fry
 * @since 11.0
 */
@GwtIncompatible
public abstract class AbstractLoadingCache<K, V> extends AbstractCache<K, V>

#   DefaultModelBuilderRequest       - Model building operations (none, ensures fresh dynamic builds)
#   *                                - Fallback for all other requests (request/soft for temporary child request caching)
#
maven.cache.config = \
    SourceCacheKey { scope:session ref:hard } \
    DefaultArtifactResolverRequest { scope:session ref:hard } \

它把使用 FastAPI 构建应用时的**开发者体验**，同样带到将应用**部署**到云上的过程。🎉

它还会替你处理部署应用时大多数需要的事项，例如：

* HTTPS
* 副本、基于请求的自动伸缩
* 等等

FastAPI Cloud 是 *FastAPI and friends* 开源项目的主要赞助方与资金提供者。✨

## 部署到其他云服务商 { #deploy-to-other-cloud-providers }

FastAPI 是开源的，并基于标准。你可以将 FastAPI 应用部署到你选择的任意云服务商。

按照你所选云服务商的指南部署 FastAPI 应用即可。🤓

## 部署到你自己的服务器 { #deploy-your-own-server }

	"errors"
	"net/http"
	"time"
)

// Supported amz date formats.
var amzDateFormats = []string{
	// Do not change this order, x-amz-date format is usually in
	// iso8601Format rest are meant for relaxed handling of other
	// odd SDKs that might be out there.
	"20060102T150405Z",
	time.RFC1123,
	time.RFC1123Z,
	// Add new AMZ date formats here.
}

// ErrMalformedDate always returned for dates that cannot be parsed.

	if b {
		return "on"
	}
	return "off"
}

// ParseBool returns the boolean value represented by the string.
// It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False.
// Any other value returns an error.
func ParseBool(str string) (bool, error) {
	switch str {
	case "1", "t", "T", "true", "TRUE", "True", "on", "ON", "On":
		return true, nil

import com.google.common.annotations.J2ktIncompatible;
import java.io.Serializable;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/** An ordering that treats {@code null} as less than all other values. */
@GwtCompatible
final class NullsFirstOrdering<T extends @Nullable Object> extends Ordering<@Nullable T>
    implements Serializable {
  final Ordering<? super T> ordering;