Add Dockerfile and docker-compose setup for containerized usage

[dgdgksj]

Summary

This PR adds Docker support to the Samurai project:

• Dockerfile: Based on pytorch/pytorch:2.5.1-cuda12.1-cudnn9-devel
• docker-compose.yaml: Simplifies GPU-enabled container execution
• Verified to work on Ubuntu 22.04 with NVIDIA GPU (native Linux environment)

Thanks!

Screenshots

📸 Screenshots

🏗️ 1. Docker Build Started

Initial build process using docker-compose build --no-cache
Shows base image pull and package installation.

✅ 2. Docker Build Completed

All checkpoints downloaded, build successfully finished and tagged.

🚀 3. Container Running & Script Executed

Running docker-compose run samurai and executing demo.py inside container.
Shows successful inference in SAMURAI mode.

📺 Demo Video

Here is a short demo showing the Docker container in action, running demo.py with test video:

▶️ Watch on YouTube