[docker] Mirror Functionality of CI scripts & Fix docs (#10349)

* first-pass

* add back build examples

* remove unnecessary test

* add gcc and more formatting

* doc fixing

* small fixes

docker/development/Dockerfile

@@ -0,0 +1,19 @@
+# The development Docker image build a self-contained Ray instance suitable
+# for developers that need the source code to actively modify.
+
+FROM rayproject/ray-deps:latest
+ADD ray.tar /ray
+ADD git-rev /ray/git-rev
+# Install dependencies needed to build ray
+RUN apt-get update && apt-get install -y curl unzip cmake gcc && apt-get clean
+RUN cd /ray && git init && ./ci/travis/install-bazel.sh --system
+ENV PATH=$PATH:/root/bin
+RUN echo 'build --remote_cache="https://storage.googleapis.com/ray-bazel-cache"' >> $HOME/.bazelrc 
+RUN echo 'build --remote_upload_local_results=false' >> $HOME/.bazelrc 
+WORKDIR /ray/
+# The result of bazel build is reused in pip install. It if run first to allow
+# for failover to serial build if parallel build requires too much resources.
+RUN bazel build //:ray_pkg || bazel build --jobs 1 //:ray_pkg
+WORKDIR /ray/python/
+RUN pip install -e .
+WORKDIR /ray