docker: end-to-end verified — runtime base is cudnn-devel (nvcc) + python3.12-dev + gcc for Triton JIT; image launches vLLM and serves /v1/models + /v1/chat/completions

docker: working build (10.5 GB image, all patches verified) — docker/Dockerfile

Add Docker build assets: Dockerfile + entrypoint + patcher + compose + README