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Node.js + tRPC

Node + tRPC for type-safe RPC APIs.

BackendModerate

Stack Components

RuntimeNode 22
RPCtRPC 11
ORMPrisma 5
DBPostgreSQL 16

Why

End-to-end types, no codegen, procedure-based. Node.js, Go, and Python are the top 3 backend languages (Stack Overflow 2024).

Go's goroutines handle 100k+ concurrent connections per process; Node's event loop excels at I/O-bound workloads.

When

Use for TS full-stack. Avoid for non-TS clients.

How

1. npm i @trpc/server @trpc/client 2. Define router with procedures 3. Create context 4. serve(server)

Example

const router = t.router({ users: t.procedure.query(() => prisma.user.findMany()), })

Common Problems

  • ⚠Context typing — use createTRPCContext
  • ⚠Batching — enable httpBatchLink
  • ⚠Configuration drift between environments — use infrastructure-as-code (Terraform/Pulumi) to keep dev/staging/prod identical

Best Practices

  • ✓Use Zod for input validation
  • ✓Leverage TanStack Query for client
  • ✓Set up health checks and graceful shutdown — handle SIGTERM to drain in-flight requests before exit

FAQ

What is Node.js + tRPC and what projects is it for?

Node + tRPC for type-safe RPC APIs. It pairs layered technologies for end-to-end type safety and out-of-the-box deploys, fitting everything from MVPs to production SaaS.

How do I spin up a working demo with Node.js + tRPC in 10 minutes?

Two steps: (1) npm i @trpc/server @trpc/client; (2) Define router with procedures. Get the local dev server running, then wire one real data source to verify the end-to-end loop.

What is the most common pitfall with Node.js + tRPC and how do I avoid it?

The most common pitfall is: Context typing — use createTRPCContext. Avoid it by adding the matching checklist to your PR template and running type-check + lint + unit tests in CI — three gates before merge.

What are the best practices for Node.js + tRPC?

Best practices for Node.js + tRPC include: Use Zod for input validation; Leverage TanStack Query for client; Set up health checks and graceful shutdown — handle SIGTERM to drain in-flight requests before exit. The first one — "Use Zod for input validation" — should be set up at project init to avoid costly rework later.

When should I NOT choose Node.js + tRPC?

Pick something else in three cases: (1) the team has zero experience with the core framework and the deadline is tight (learning-curve risk); (2) it's a pure content/marketing site (Astro is lighter); (3) you need very high throughput (>10k RPS) or strict-consistency microservices (Go/Rust). Node.js + tRPC shines for mid-to-high complexity full-stack and API work — don't over-engineer simple static pages with it.