dockerfile for rocm7 (#3573)

### What does this PR do?

Dockerfile for rocm7.0 for 0.5.x release

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### API and Usage Example

```bash
DOCKER_BUILDKIT=1 docker build -f Dockerfile.rocm -t verl-0.5.0_rocm7.0 .
```

docker/Dockerfile.rocm7

@@ -0,0 +1,141 @@
+# default base image
+ARG REMOTE_VLLM="1"
+ARG COMMON_WORKDIR=/app
+ARG BASE_IMAGE=rocm/vllm-dev:base_rocm7_0930_rc1_20250916_tuned_20250917
+
+FROM ${BASE_IMAGE} AS base
+
+ARG ARG_PYTORCH_ROCM_ARCH
+ENV PYTORCH_ROCM_ARCH=${ARG_PYTORCH_ROCM_ARCH:-${PYTORCH_ROCM_ARCH}}
+
+# Install some basic utilities
+RUN apt-get update -q -y && apt-get install -q -y \
+    sqlite3 libsqlite3-dev libfmt-dev libmsgpack-dev libsuitesparse-dev \
+    apt-transport-https ca-certificates wget curl
+# Remove sccache
+RUN python3 -m pip install --upgrade pip
+RUN apt-get purge -y sccache; python3 -m pip uninstall -y sccache; rm -f "$(which sccache)"
+ARG COMMON_WORKDIR
+WORKDIR ${COMMON_WORKDIR}
+
+
+# -----------------------
+# vLLM fetch stages
+FROM base AS fetch_vllm_0
+ONBUILD COPY ./ vllm/
+FROM base AS fetch_vllm_1
+#ARG VLLM_REPO="https://github.com/ROCm/vllm.git"
+#ARG VLLM_BRANCH="main"
+ARG VLLM_REPO=https://github.com/HollowMan6/vllm.git
+ARG VLLM_BRANCH="sleep_amd"
+ONBUILD RUN git clone ${VLLM_REPO} \
+            && cd vllm \
+            && git checkout ${VLLM_BRANCH}
+FROM fetch_vllm_${REMOTE_VLLM} AS fetch_vllm
+
+# -----------------------
+# vLLM build stages
+FROM fetch_vllm AS build_vllm
+# Build vLLM
+RUN cd vllm \
+    && python3 -m pip install -r requirements/rocm.txt \
+    && python3 setup.py clean --all  \
+    && ln -sf /opt/rocm/lib/libamdhip64.so /usr/lib/libamdhip64.so \
+    && VLLM_TARGET_DEVICE=rocm ROCM_PATH=/opt/rocm/ VLLM_GPU_LANG=HIP SETUPTOOLS_SCM_PRETEND_VERSION=0.8.4.dev python3 setup.py bdist_wheel --dist-dir=dist
+    #&& python3 setup.py bdist_wheel --dist-dir=dist
+FROM scratch AS export_vllm
+ARG COMMON_WORKDIR
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm/dist/*.whl /
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm/requirements /requirements
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm/benchmarks /benchmarks
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm/tests /tests
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm/examples /examples
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm/.buildkite /.buildkite
+
+# -----------------------
+# Test vLLM image
+FROM base AS test
+
+RUN python3 -m pip install --upgrade pip && rm -rf /var/lib/apt/lists/*
+
+# Install vLLM
+RUN --mount=type=bind,from=export_vllm,src=/,target=/install \
+    cd /install \
+    && pip install -U -r requirements/rocm.txt \
+    && pip install -U -r requirements/rocm-test.txt \
+    && pip uninstall -y vllm \
+    && pip install *.whl
+
+WORKDIR /vllm-workspace
+ARG COMMON_WORKDIR
+COPY --from=build_vllm ${COMMON_WORKDIR}/vllm /vllm-workspace
+
+# install development dependencies (for testing)
+RUN cd /vllm-workspace \
+    && rm -rf vllm \
+    && python3 -m pip install -e tests/vllm_test_utils \
+    && python3 -m pip install lm-eval[api]==0.4.4 \
+    && python3 -m pip install pytest-shard
+
+# -----------------------
+# Final vLLM image
+FROM base AS final
+
+RUN python3 -m pip install --upgrade pip && rm -rf /var/lib/apt/lists/*
+# Error related to odd state for numpy 1.20.3 where there is no METADATA etc, but an extra LICENSES_bundled.txt.
+# Manually remove it so that later steps of numpy upgrade can continue
+RUN case "$(which python3)" in \
+        *"/opt/conda/envs/py_3.9"*) \
+            rm -rf /opt/conda/envs/py_3.9/lib/python3.9/site-packages/numpy-1.20.3.dist-info/;; \
+        *) ;; esac
+
+RUN python3 -m pip install --upgrade huggingface-hub[cli]
+
+# Install vLLM
+RUN --mount=type=bind,from=export_vllm,src=/,target=/install \
+    cd /install \
+    && pip install -U -r requirements/rocm.txt \
+    && pip uninstall -y vllm \
+    && pip install *.whl
+
+ARG COMMON_WORKDIR
+
+# Copy over the benchmark scripts as well
+COPY --from=export_vllm /benchmarks ${COMMON_WORKDIR}/vllm/benchmarks
+COPY --from=export_vllm /examples ${COMMON_WORKDIR}/vllm/examples
+
+ENV RAY_EXPERIMENTAL_NOSET_ROCR_VISIBLE_DEVICES=1
+ENV TOKENIZERS_PARALLELISM=false
+
+# ENV that can improve safe tensor loading, and end-to-end time
+ENV SAFETENSORS_FAST_GPU=1
+
+# Performance environment variable.
+ENV HIP_FORCE_DEV_KERNARG=1
+
+# -----------------------
+# Install verl
+RUN pip install "tensordict==0.6.2" --no-deps && \
+    pip install accelerate \
+    codetiming \
+    datasets \
+    dill \
+    hydra-core \
+    liger-kernel \
+    numpy \
+    pandas \
+    peft \
+    "pyarrow>=15.0.0" \
+    pylatexenc \
+    torchdata \
+    wandb \
+    orjson \
+    pybind11
+
+WORKDIR /workspace/
+RUN git clone -b v0.5.x https://github.com/volcengine/verl.git && \
+    cd verl && \
+    pip install -e .
+
+CMD ["/bin/bash"]
+