Produce messages to a Kafka topic.

When using this command, you can specify the message header using the `--headers` flag.

Usage:
  confluent kafka topic produce <topic> [flags]

Examples:
Produce to topic "my_topic" in Confluent Cloud with a Confluent Cloud API key.

  $ confluent kafka topic produce my_topic --api-key 0000000000000000 --api-secret <API_SECRET> --bootstrap SASL_SSL://pkc-12345.us-west-2.aws.confluent.cloud:9092 --value-format avro --schema test.avsc --schema-registry-endpoint https://psrc-12345.us-west-2.aws.confluent.cloud --schema-registry-api-key 0000000000000000 --schema-registry-api-secret <SCHEMA_REGISTRY_API_SECRET>

Flags:
      --bootstrap string                    Kafka cluster endpoint (Confluent Cloud); or comma-separated list of broker hosts (Confluent Platform), each formatted as "host" or "host:port".
      --key-schema string                   The ID or filepath of the message key schema.
      --schema string                       The ID or filepath of the message value schema.
      --key-format string                   Format of message key as "string", "avro", "double", "integer", "jsonschema", or "protobuf". Note that schema references are not supported for Avro. (default "string")
      --value-format string                 Format message value as "string", "avro", "double", "integer", "jsonschema", or "protobuf". Note that schema references are not supported for Avro. (default "string")
      --references string                   The path to the message value schema references file.
      --parse-key                           Parse key from the message.
      --delimiter string                    The delimiter separating each key and value. (default ":")
      --config strings                      A comma-separated list of configuration overrides ("key=value") for the producer client. For a full list, see https://docs.confluent.io/platform/current/clients/librdkafka/html/md_CONFIGURATION.html
      --config-file string                  The path to the configuration file for the producer client, in JSON or Avro format.
      --schema-registry-endpoint string     Endpoint for Schema Registry cluster.
      --headers strings                     A comma-separated list of headers formatted as "key:value".
      --key-references string               The path to the message key schema references file.
      --api-key string                      API key.
      --api-secret string                   API secret.
      --schema-registry-api-key string      Schema registry API key.
      --schema-registry-api-secret string   Schema registry API secret.
      --cluster string                      Kafka cluster ID.
      --context string                      CLI context name.
      --environment string                  Environment ID.
      --certificate-authority-path string   File or directory path to one or more Certificate Authority certificates for verifying the broker's key with SSL.
      --username string                     SASL_SSL username for use with PLAIN mechanism.
      --password string                     SASL_SSL password for use with PLAIN mechanism.
      --cert-location string                Path to client's public key (PEM) used for SSL authentication.
      --key-location string                 Path to client's private key (PEM) used for SSL authentication.
      --key-password string                 Private key passphrase for SSL authentication.
      --protocol string                     Specify the broker communication protocol as "PLAINTEXT", "SASL_SSL", or "SSL". (default "SSL")
      --sasl-mechanism string               SASL_SSL mechanism used for authentication. (default "PLAIN")

Global Flags:
  -h, --help            Show help for this command.
      --unsafe-trace    Equivalent to -vvvv, but also log HTTP requests and responses which might contain plaintext secrets.
  -v, --verbose count   Increase verbosity (-v for warn, -vv for info, -vvv for debug, -vvvv for trace).
