rpk: add --compression flag to rpk transform deploy

modules/reference/pages/rpk/rpk-transform/rpk-transform-deploy.adoc

@@ -8,10 +8,8 @@ When run in the same directory as a `transform.yaml`, this reads the configurati
 
 You can specify environment variables for the transform using the `--var` flag. Variables are separated by an equal sign. For example: `--var=KEY=VALUE`. The `--var` flag can be repeated to specify multiple variables.
 
-
 You can specify the `--from-offset` flag to identify where on the input topic the transform should begin processing. Expressed as:
 
-
 - `@T` - Begin reading records with committed timestamp >= T (UNIX time, ms from epoch)
 
 - `+N` - Begin reading N records from the start of each input partition
@@ -20,7 +18,6 @@ You can specify the `--from-offset` flag to identify where on the input topic th
 
 Note that the broker will only respect `--from-offset` on the first deploy for a given transform. Re-deploying the transform will cause processing to pick up at the last committed offset. This state is maintained until the transform is deleted.
 
-
 == Usage
 
 [,bash]
@@ -34,8 +31,12 @@ rpk transform deploy [flags]
 |===
 |*Value* |*Type* |*Description*
 
+|--compression |string |Output batch compression type.
+
 |--file |string |The WebAssembly module to deploy.
 
+|--from-offset |string |Process an input topic partition from a relative offset.
+
 |-h, --help |- |Help for deploy.
 
 |-i, --input-topic |string |The input topic to apply the transform to.
@@ -48,7 +49,6 @@ rpk transform deploy [flags]
 
 |--config |string |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 |stringArray |Override `rpk` configuration settings. See xref:reference:rpk/rpk-x-options.adoc[`rpk -X`] or execute `rpk -X help` for inline detail or `rpk -X list` for terser detail.
 
 |--profile |string |Profile to use. See xref:reference:rpk/rpk-profile.adoc[`rpk profile`] for more details.
@@ -76,4 +76,24 @@ Deploy a transformation with multiple environment variables:
 rpk transform deploy --var FOO=BAR --var FIZZ=BUZZ
 ----
 
+Configure compression for batches output by data transforms. The default setting is "no compression," but you can choose from the following options:
+
+* none
+* gzip
+* snappy
+* lz4
+* zstd
+
+Configure this at deployment using `rpk` with the `--compression` flag:
+
+[,bash]
+----
+rpk transform deploy --compression <compression_type>
+----
+
+Enabling compression may increase computation costs and could impact latency at the output topic.
+
+For more details, see xref:modules:deploy/deployment-option/self-hosted/manual/sizing.adoc[].
+
+
 // end::single-source[]