chore: import upstream snapshot with attribution

ci/docker/ray-java.Dockerfile

@@ -0,0 +1,65 @@
+# syntax=docker/dockerfile:1.3-labs
+ARG ARCH_SUFFIX
+ARG HOSTTYPE=x86_64
+ARG MANYLINUX_VERSION
+FROM rayproject/manylinux2014:${MANYLINUX_VERSION}-jdk-${HOSTTYPE} AS builder
+
+ARG BUILDKITE_BAZEL_CACHE_URL
+ARG BUILDKITE_CACHE_READONLY
+ARG HOSTTYPE
+ARG IS_LOCAL_BUILD=false
+ARG CACHE_DIR=/opt/cache
+
+ENV BUILDKITE_BAZEL_CACHE_URL=${BUILDKITE_BAZEL_CACHE_URL}
+ENV BUILDKITE_CACHE_READONLY=${BUILDKITE_CACHE_READONLY}
+ENV IS_LOCAL_BUILD=${IS_LOCAL_BUILD}
+ENV CACHE_DIR=${CACHE_DIR}
+ENV DOWNLOAD_CACHE=${CACHE_DIR}/downloads
+ENV BAZEL_CACHE=${CACHE_DIR}/bazel
+
+WORKDIR /home/forge/ray
+
+COPY --chown=forge . .
+
+RUN --mount=type=cache,target=${DOWNLOAD_CACHE},uid=2000,gid=100,id=ray-downloads-${HOSTTYPE} \
+    --mount=type=cache,target=${BAZEL_CACHE},uid=2000,gid=100,id=ray-bazel-${HOSTTYPE} \
+    <<'EOF'
+#!/bin/bash
+set -euo pipefail
+
+export BAZELISK_HOME=$DOWNLOAD_CACHE/bazelisk
+export COURSIER_CACHE=$DOWNLOAD_CACHE/coursier
+REPOSITORY_CACHE=$DOWNLOAD_CACHE/repo
+
+export RAY_BUILD_ENV="manylinux"
+
+BAZEL_CACHE_ARGS=""
+if [[ -z "${BUILDKITE_BAZEL_CACHE_URL:-}" ]]; then
+  # Disable remote cache for local builds (no credentials)
+  BAZEL_CACHE_ARGS="--remote_cache="
+else
+  # Override whatever the base image baked into ~/.bazelrc
+  BAZEL_CACHE_ARGS="--remote_cache=${BUILDKITE_BAZEL_CACHE_URL}"
+  if [[ "${BUILDKITE_CACHE_READONLY:-}" == "true" ]]; then
+    BAZEL_CACHE_ARGS="$BAZEL_CACHE_ARGS --remote_upload_local_results=false"
+  fi
+fi
+
+BAZEL_RESOURCE_FLAGS=""
+if [[ "$IS_LOCAL_BUILD" == "true" ]]; then
+  BAZEL_RESOURCE_FLAGS=$(python3 "$HOME/ray/ci/build/container_resource_utils.py")
+fi
+
+bazelisk --output_base=$BAZEL_CACHE run --config=ci \
+    --repository_cache=$REPOSITORY_CACHE \
+    $BAZEL_CACHE_ARGS \
+    $BAZEL_RESOURCE_FLAGS \
+    //java:gen_ray_java_pkg
+
+cp bazel-bin/java/ray_java_pkg.zip /home/forge/ray_java_pkg.zip
+
+EOF
+
+FROM scratch
+
+COPY --from=builder /home/forge/ray_java_pkg.zip /