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Running tusd

Starting the tusd upload server is as simple as invoking a single command. For example, following snippet demonstrates how to start a tusd process which accepts tus uploads at http://localhost:1080/files/ (notice the trailing slash) and stores them locally in the ./data directory:

$ tusd -upload-dir=./data
[tusd] 2019/09/29 21:10:50 Using './data' as directory storage.
[tusd] 2019/09/29 21:10:50 Using 0.00MB as maximum size.
[tusd] 2019/09/29 21:10:50 Using 0.0.0.0:1080 as address to listen.
[tusd] 2019/09/29 21:10:50 Using /files/ as the base path.
[tusd] 2019/09/29 21:10:50 Using /metrics as the metrics path.
[tusd] 2019/09/29 21:10:50 Supported tus extensions: creation,creation-with-upload,termination,concatenation,creation-defer-length
[tusd] 2019/09/29 21:10:50 You can now upload files to: http://0.0.0.0:1080/files/

Alternatively, if you want to store the uploads on an AWS S3 bucket, you only have to specify the bucket and provide the corresponding access credentials and region information using environment variables (if you want to use a S3-compatible store, use can use the -s3-endpoint option):

$ export AWS_ACCESS_KEY_ID=xxxxx
$ export AWS_SECRET_ACCESS_KEY=xxxxx
$ export AWS_REGION=eu-west-1
$ tusd -s3-bucket=my-test-bucket.com
[tusd] 2019/09/29 21:11:23 Using 's3://my-test-bucket.com' as S3 bucket for storage.
[tusd] 2019/09/29 21:11:23 Using 0.00MB as maximum size.
[tusd] 2019/09/29 21:11:23 Using 0.0.0.0:1080 as address to listen.
[tusd] 2019/09/29 21:11:23 Using /files/ as the base path.
[tusd] 2019/09/29 21:11:23 Using /metrics as the metrics path.
[tusd] 2019/09/29 21:11:23 Supported tus extensions: creation,creation-with-upload,termination,concatenation,creation-defer-length
[tusd] 2019/09/29 21:11:23 You can now upload files to: http://0.0.0.0:1080/files/

If your S3 bucket has been configured for AWS S3 Transfer Acceleration and you want to make use of that advanced service, you can direct tusd to automatically use the designated AWS acceleration endpoint for your bucket by including the optional command line flag s3-transfer-acceleration as follows:

$ export AWS_ACCESS_KEY_ID=xxxxx
$ export AWS_SECRET_ACCESS_KEY=xxxxx
$ export AWS_REGION=eu-west-1
$ tusd -s3-bucket=my-test-bucket.com -s3-transfer-acceleration
[tusd] 2019/09/29 21:11:23 Using 's3://my-test-bucket.com' as S3 bucket for storage with AWS S3 Transfer Acceleration enabled.
[tusd] 2019/09/29 21:11:23 Using 0.00MB as maximum size.
[tusd] 2019/09/29 21:11:23 Using 0.0.0.0:1080 as address to listen.
[tusd] 2019/09/29 21:11:23 Using /files/ as the base path.
[tusd] 2019/09/29 21:11:23 Using /metrics as the metrics path.
[tusd] 2019/09/29 21:11:23 Supported tus extensions: creation,creation-with-upload,termination,concatenation,creation-defer-length
[tusd] 2019/09/29 21:11:23 You can now upload files to: http://0.0.0.0:1080/files/

tusd is also able to read the credentials automatically from a shared credentials file (~/.aws/credentials) as described in https://github.com/aws/aws-sdk-go#configuring-credentials. But be mindful of the need to declare the AWS_REGION value which isn't conventionally associated with credentials.

Furthermore, tusd also has support for storing uploads on Google Cloud Storage. In order to enable this feature, supply the path to your account file containing the necessary credentials:

$ export GCS_SERVICE_ACCOUNT_FILE=./account.json
$ tusd -gcs-bucket=my-test-bucket.com
[tusd] Using 'gcs://my-test-bucket.com' as GCS bucket for storage.
[tusd] Using 0.00MB as maximum size.
[tusd] Using 0.0.0.0:1080 as address to listen.
[tusd] Using /files/ as the base path.
[tusd] Using /metrics as the metrics path.

TLS support for HTTPS connections can be enabled by supplying a certificate and private key. Note that the certificate file must include the entire chain of certificates up to the CA certificate. The default configuration supports TLSv1.2 and TLSv1.3. It is possible to use only TLSv1.3 with -tls-mode=tls13; alternately, it is possible to disable TLSv1.3 and use only 256-bit AES ciphersuites with -tls-mode=tls12-strong. The following example generates a self-signed certificate for localhost and then uses it to serve files on the loopback address; that this certificate is not appropriate for production use. Note also that the key file must not be encrypted/require a passphrase.

$ openssl req -x509 -new -newkey rsa:4096 -nodes -sha256 -days 3650 -keyout localhost.key -out localhost.pem -subj "/CN=localhost"
Generating a 4096 bit RSA private key
........................++
..........................................++
writing new private key to 'localhost.key'
-----
$ tusd -upload-dir=./data -host=127.0.0.1 -port=8443 -tls-certificate=localhost.pem -tls-key=localhost.key
[tusd] Using './data' as directory storage.
[tusd] Using 0.00MB as maximum size.
[tusd] Using 127.0.0.1:8443 as address to listen.
[tusd] Using /files/ as the base path.
[tusd] Using /metrics as the metrics path.
[tusd] Supported tus extensions: creation,creation-with-upload,termination,concatenation,creation-defer-length
[tusd] You can now upload files to: https://127.0.0.1:8443/files/

Besides these simple examples, tusd can be easily configured using a variety of command line options:

$ tusd -help
Usage of tusd:
  -base-path string
    	Basepath of the HTTP server (default "/files/")
  -behind-proxy
    	Respect X-Forwarded-* and similar headers which may be set by proxies
  -expose-metrics
    	Expose metrics about tusd usage (default true)
  -gcs-bucket string
    	Use Google Cloud Storage with this bucket as storage backend (requires the GCS_SERVICE_ACCOUNT_FILE environment variable to be set)
  -gcs-object-prefix string
    	Prefix for GCS object names (can't contain underscore character)
  -hooks-dir string
    	Directory to search for available hooks scripts
  -hooks-enabled-events string
    	Comma separated list of enabled hook events (e.g. post-create,post-finish). Leave empty to enable default events (default "pre-create,post-create,post-receive,post-terminate,post-finish")
  -hooks-grpc string
    	An gRPC endpoint to which hook events will be sent to
  -hooks-grpc-backoff int
    	Number of seconds to wait before retrying each retry (default 1)
  -hooks-grpc-retry int
    	Number of times to retry on a server error or network timeout (default 3)
  -hooks-http string
    	An HTTP endpoint to which hook events will be sent to
  -hooks-http-backoff int
    	Number of seconds to wait before retrying each retry (default 1)
  -hooks-http-forward-headers string
    	List of HTTP request headers to be forwarded from the client request to the hook endpoint
  -hooks-http-retry int
    	Number of times to retry on a 500 or network timeout (default 3)
  -hooks-plugin string
    	Path to a Go plugin for loading hook functions (only supported on Linux and macOS; highly EXPERIMENTAL and may BREAK in the future)
  -hooks-stop-code int
    	Return code from post-receive hook which causes tusd to stop and delete the current upload. A zero value means that no uploads will be stopped
  -host string
    	Host to bind HTTP server to (default "0.0.0.0")
  -max-size int
    	Maximum size of a single upload in bytes
  -metrics-path string
    	Path under which the metrics endpoint will be accessible (default "/metrics")
  -port string
    	Port to bind HTTP server to (default "1080")
  -s3-bucket string
    	Use AWS S3 with this bucket as storage backend (requires the AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY and AWS_REGION environment variables to be set)
  -s3-endpoint string
    	Endpoint to use S3 compatible implementations like minio (requires s3-bucket to be pass)
  -s3-object-prefix string
    	Prefix for S3 object names
  -s3-part-size int
    	Size in bytes of the individual upload requests made to the S3 API. Defaults to 50MiB (experimental and may be removed in the future) (default 52428800)
  -s3-transfer-acceleration
    	Use AWS S3 transfer acceleration endpoint (requires -s3-bucket option and Transfer Acceleration property on S3 bucket to be set)
  -timeout int
    	Read timeout for connections in milliseconds.  A zero value means that reads will not timeout (default 6000)
  -tls-certificate string
    	Path to the file containing the x509 TLS certificate to be used. The file should also contain any intermediate certificates and the CA certificate.
  -tls-key string
    	Path to the file containing the key for the TLS certificate.
  -tls-mode string
    	Specify which TLS mode to use; valid modes are tls13, tls12, and tls12-strong. (default "tls12")
  -unix-sock string
    	If set, will listen to a UNIX socket at this location instead of a TCP socket
  -upload-dir string
    	Directory to store uploads in (default "./data")
  -verbose
    	Enable verbose logging output (default true)
  -version
    	Print tusd version information