Step-by-Step Guide to Quickly Build a WeChat Mini Program Using Tencent Cloud

In the 2017 WeChat Open Course Pro, Zhang Xiaolong first explained Mini Programs from an official perspective. Building on that, this tutorial shows how to create a WeChat Mini Program with a one‑click cloud scaffold provided by Tencent Cloud.

Why a WeChat Mini Program matters:

For users, a Mini Program is only about 1 MB, so it does not consume phone storage. For business owners, it avoids the high cost of developing a native App and the need for multi‑device adaptation. For developers, it offers a chance to complete an entire project alone.

Key challenges when adopting Mini Programs:

Existing SDK/Demos focus on local services; cloud‑side components must be built piece by piece, which is cumbersome.

Apple’s restrictions require all requests to use HTTPS, raising initial cost and slowing development for those without certificates.

High security requirements for authentication make session‑management components difficult to implement.

WebSocket support exists but many developers are unfamiliar with it, creating a steep learning curve.

Mini Programs can experience sudden traffic spikes, demanding robust architecture and scaling.

These issues indicate that traditional development models are insufficient; a new approach is needed.

Solution: Tencent Cloud Mini Program Cloud Scaffold

The scaffold automates domain registration, resource allocation, HTTPS/WSS support, BGP anti‑DDoS, intelligent DNS, and provides built‑in authentication, session management, and WebSocket channels. It also offers elastic scaling to handle high concurrency.

1. Create the Cloud Service

After filling in the required information, Tencent Cloud creates multiple cloud resources (load balancer, compute instances, session‑management server, database, etc.) and automatically provisions a free HTTPS certificate.

Choose the programming language you are most comfortable with; the example uses NodeJS.

After creation, the overview page lists all generated resources.

2. Configure the Mini Program

Log in to the WeChat Mini Program admin console and modify the domain settings as prompted.

After saving, restart the WeChat Developer Tools to apply the changes.

3. Configure Local Source Code

Clone the scaffold source code using Git, then open the WeChat Developer Tools and create a new project pointing to the cloned directory.

Open the configuration file and replace the placeholder domain with the one generated by the cloud solution: var host = '65169084.qcloud.la'; Save the file, then use the debugging panel to preview the Mini Program on a real device by scanning the QR code.

Good News

After WeChat certification, the Mini Program can be purchased for ¥3 (original price ¥420) and includes five demo source codes.

Click “Read Original” for detailed information about the Tencent Cloud Mini Program solution.