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Video upload & HLS streaming

Building streamable video end to end — presigned uploads, event-driven transcoding, and browser playback.

Posts in this guide

1. 01
   June 28, 2026 · 8 min read

   Building a Video Upload and HLS Streaming Pipeline with Spring Boot, S3, and Lambda

   How I designed stream-app: presigned S3 uploads, SNS/SQS event fan-out, FFmpeg fMP4 HLS transcoding, and browser playback with hls.js.

   • Spring Boot
   • AWS
   • HLS
   • Architecture