ApsaraMQ for RocketMQ:Set up the Node.js environment

Prerequisites

Before you begin, make sure that you have:

• Node.js 7.6.0 or later installed. To download Node.js, visit the Node.js official website

• An Alibaba Cloud account with an AccessKey pair (AccessKey ID and AccessKey Secret). See Obtain an AccessKey pair

• An ApsaraMQ for RocketMQ instance with a topic and a group ID. See Step 2: Create resources

• The HTTP endpoint of your instance. See Obtain an HTTP endpoint

Check the Node.js version

Run the following command to verify that Node.js is installed and meets the version requirement:

node -V

The output must display version 7.6.0 or later.

Install SDK for Node.js

Run the following command to install the @aliyunmq/mq-http-sdk package:

npm i @aliyunmq/mq-http-sdk

Verify the installation

Run the following command to confirm that the SDK is installed and importable:

node -e "require('@aliyunmq/mq-http-sdk'); console.log('SDK for Node.js is installed.')"

If the command prints SDK for Node.js is installed. without errors, the setup is complete.

What's next

After the environment is ready, use SDK for Node.js to send and subscribe to messages:

• Send and subscribe to normal messages

• Send and subscribe to ordered messages

• Send and subscribe to scheduled and delayed messages

• Send and subscribe to transactional messages