nextjs-docker

Create a minimal Next.js Docker image by configuring standalone output in next.config.js and using Docker multi-stage builds to separate the build environment from the lean runtime. This strips unused node_modules, reducing final image size and deployment time.

Next.js standalone output bundles only necessary production files and node_modules, which is needed for Docker containerization to achieve lean runtimes. You enable it in next.config.js to ensure the final Docker image excludes heavy build artifacts.

Run a Next.js Docker container securely by creating a non-root user in the Dockerfile and enforcing restricted permissions in the runtime stage. This satisfies production security requirements by preventing the application from executing as root.

Yes, this Next.js Dockerization approach works in CI pipelines and development environments. Applying multi-stage builds and standalone output ensures fast builds, small runtimes, and secure, non-root execution across all deployment contexts.

Handle port exposure and environment variables in a Next.js Docker runtime by explicitly defining the exposed port and passing environment variables during container runtime. This enforces proper environment variable handling and satisfies container deployment requirements.

The best way to reduce Next.js Docker image size is leveraging Docker multi-stage builds combined with Next.js standalone output. This approach minimizes the final image by isolating build dependencies and running only essential production files.