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Next.js Docker Demo
A step-by-step task management demo showing containerized Next.js deployment with Docker, Prisma ORM, PostgreSQL, and Vercel production deployment.
The Problem
Setting up a containerized Next.js application with database integration involves coordinating Docker, ORM configuration, database migrations, and deployment — each step has its own pitfalls. Existing tutorials cover these topics in isolation, leaving developers to figure out the integration themselves.
The Approach
I designed a progressive three-task structure: Docker basics with hot-reload, then PostgreSQL integration via Prisma, and finally Vercel deployment. A simple task management app provides the application context, keeping the focus on DevOps patterns. Each task builds directly on the previous one's output.
Technical Details
Docker multi-stage builds optimize the production image with proper layer caching. Docker Compose orchestrates the Next.js app and PostgreSQL containers with health checks and volume mounts. Prisma handles schema definition, type-safe queries, and migration management. Next.js Server Components and Server Actions provide the data layer without a separate API, simplifying the architecture for the demo.
The Outcome
Published a step-by-step reference for containerizing Next.js with PostgreSQL that covers development, testing, and production deployment. The progressive task structure makes it accessible to developers new to Docker while still providing production-quality configurations for experienced developers looking for a reference implementation.
Tech Stack
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