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Tech Musings
Tech Musings
May 27, 2026 · Backend Development

How to Upload Images to Qiniu Cloud with Rust + Actix‑Web and Generate Signed Download URLs

This article walks through moving image storage from TiDB Cloud to Qiniu Cloud for a WeChat mini‑program, detailing a Rust + Actix‑Web backend that validates image format, deduplicates via SHA‑256 content‑addressable keys, creates upload tokens, performs idempotent multipart uploads, and builds hour‑aligned private download URLs with referer protection.

Actix-WebContent-Addressable StorageImage Upload
0 likes · 22 min read
How to Upload Images to Qiniu Cloud with Rust + Actix‑Web and Generate Signed Download URLs
Architect
Architect
Mar 11, 2016 · Cloud Native

Mainstream Container SDN Technologies and Microservice Practice Analysis

The article reviews the challenges Docker introduces to traditional virtualization networks, explains the concepts of SDN, compares three open‑source container SDN solutions (Flannel, Calico, Weave), and details Qiniu's practical implementation of overlay networking, OpenFlow control, service discovery, load balancing, and security groups for microservice architectures.

Cloud NativeKubernetesMicroservices
0 likes · 20 min read
Mainstream Container SDN Technologies and Microservice Practice Analysis