rpk transform deploy

Deploy a data transform.

When run in the same directory as a transform.yaml, this reads the configuration file, then looks for a .wasm file with the same name as your project. If the input and output topics are specified in the configuration file, those are used. Otherwise, the topics can be specified on the command line using the --input-topic and --output-topic flags.


To deploy Wasm files directly without a transform.yaml file:

rpk transform deploy --file transform.wasm --name myTransform \
--input-topic my-topic-1 \
--output-topic my-topic-2

Environment variables can be specified for the transform using the --var flag, these are separated by an equals for example: --var=KEY=VALUE.

The --var flag can be repeated to specify multiple variables like so:

rpk transform deploy --var FOO=BAR --var FIZZ=BUZZ


rpk transform deploy [WASM] [flags]


Value Type Description



The WebAssembly module to deploy.

-h, --help


Help for deploy.

-i, --input-topic


The input topic to apply the transform to.



The name of the transform.

-o, --output-topic


The output topic to write the transform results to.



environmentVariable Specify an environment variable in the form of KEY=VALUE.



Redpanda or rpk config file; default search paths are /var/lib/redpanda/.config/rpk/rpk.yaml, $PWD/redpanda.yaml, and /etc/redpanda/redpanda.yaml.

-X, --config-opt


Override rpk configuration settings. See rpk -X or execute rpk -X help for inline detail or rpk -X list for terser detail.



Profile to use. See rpk profile for more details.

-v, --verbose


Enable verbose logging.