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Backend Infrastructure Setup ​

Context ​

Initial setup of the @trust-vote/backend package within the monorepo, focusing on modern Node.js 24 standards and high-performance execution.

Decisions & Technical Choices ​

  1. Framework: NestJS with Fastify adapter for superior throughput compared to Express.
  2. Runtime: Switched from ts-node to tsx to handle Pure ESM (ES Modules) compatibility issues with Node 24.
  3. Architecture: Implemented Top-level await in main.ts for a cleaner entry point.
  4. TypeScript Configuration:
    • Set moduleResolution to Bundler to allow clean imports (without .js extensions) while maintaining ESM integrity.
    • Set target to ES2022 to support modern JS features.

Challenges Overcome ​

  • ERR_MODULE_NOT_FOUND: Resolved by moving to tsx and adjusting tsconfig.json to use Bundler resolution, avoiding the need for forced .js extensions in TypeScript source files.
  • Top-level await: Configured package.json with "type": "module" to allow asynchronous bootstrapping of the NestJS application.

Current Status ​

  • Backend is active and running at http://localhost:3000.
  • NestJS successfully initialized with the Fastify engine.