Install built documentation into release container (#1806)

* Copy built documentation into the `docs` dir rather than the documentation source.
* Add a new docker stage `build_docs` 

Closes #1788

## By Submitting this PR I confirm:
- I am familiar with the [Contributing Guidelines](https://github.com/nv-morpheus/Morpheus/blob/main/docs/source/developer_guide/contributing.md).
- When the PR is ready for review, new or existing tests cover these changes.
- When the PR is ready for review, the documentation is up to date with these changes.

Authors:
  - David Gardner (https://github.com/dagardner-nv)

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: #1806

docker/Dockerfile

@@ -21,6 +21,8 @@
 # [base] -> [conda_env] -> [base_extended] -> [runtime_conda_create] -> [runtime]
 #                               \
 #                         [conda_env_dev] -> [development] -> [development_pydbg]
+#                               \
+#                         [build_docs]
 #
 #  base: Contains all system packages common across all environments
 #  conda_env: Create morpheus conda environment and set it as the new base
@@ -35,6 +37,7 @@
 #    source directory.
 #  development_pydbg: Development + debug build of cpython and various GDB
 #    debugging macros.
+#  build_docs: Build the Morpheus documentation
 # ========================================================================= #
 
 # Args used in FROM commands must come first
@@ -220,6 +223,35 @@ RUN --mount=type=cache,id=workspace_cache,target=/workspace/.cache,sharing=locke
     cd ${MORPHEUS_ROOT_HOST} &&\
     MORPHEUS_PYTHON_BUILD_STUBS=OFF CONDA_BLD_PATH=/opt/conda/conda-bld ./ci/conda/recipes/run_conda_build.sh morpheus
 
+# ============ Stage: build_docs ============
+# Now build the morpheus docs
+FROM conda_env_dev as build_docs
+
+ARG MORPHEUS_ROOT_HOST
+
+# Copy the source
+COPY . ./
+
+RUN --mount=type=cache,id=workspace_cache,target=/workspace/.cache,sharing=locked \
+    --mount=type=bind,from=conda_bld_morpheus,source=/opt/conda/conda-bld,target=/opt/conda/conda-bld \
+    --mount=type=cache,id=conda_pkgs,target=/opt/conda/pkgs,sharing=locked \
+    source activate morpheus &&\
+    CONDA_ALWAYS_YES=true /opt/conda/bin/mamba install -n morpheus \
+        -c local \
+        -c conda-forge \
+        -c huggingface \
+        -c rapidsai \
+        -c rapidsai-nightly \
+        -c nvidia \
+        -c nvidia/label/dev \
+        -c pytorch \
+        -c defaults \
+        morpheus && \
+    # Change to the morpheus directory and build the docs
+    cd ${MORPHEUS_ROOT_HOST} &&\
+    CMAKE_CONFIGURE_EXTRA_ARGS="-DMORPHEUS_BUILD_DOCS=ON -DMORPHEUS_PYTHON_BUILD_STUBS=OFF -DMORPHEUS_CUDA_ARCHITECTURES=RAPIDS"\
+         ./scripts/compile.sh --target morpheus_docs
+
 # ============ Stage: runtime_conda_create ============
 # Setup conda for the runtime environment
 FROM base_extended as runtime_conda_create
@@ -260,7 +292,7 @@ ARG MORPHEUS_ROOT_HOST
 # Only copy specific files/folders over that are necessary for runtime
 COPY "${MORPHEUS_ROOT_HOST}/conda/environments/*.yaml" "./conda/environments/"
 COPY "${MORPHEUS_ROOT_HOST}/docker" "./docker"
-COPY "${MORPHEUS_ROOT_HOST}/docs" "./docs"
+COPY --from=build_docs "/workspace/build/docs/html" "./docs"
 COPY "${MORPHEUS_ROOT_HOST}/examples" "./examples"
 COPY "${MORPHEUS_ROOT_HOST}/models" "./models"
 COPY "${MORPHEUS_ROOT_HOST}/scripts" "./scripts"