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✅ Dockerfile Setup: Define the base image (e.g., Node), copy your app files, install dependencies, and set the start command.

✅ Create an Image: Build your app into a lightweight, portable Docker image.

✅ Port Mapping: Expose your app's port (e.g., 3000) to the host machine so users can access it.

✅ Environment Variables: Pass environment-specific configs securely through Docker.

💡 Docker makes deployment faster, more scalable, and environment-independent! 🎉

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