Migrate docs from Sphinx to MkDocs (vllm-project#18145)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
Signed-off-by: Yuqi Zhang <yuqizhang@google.com>

Author: hmellor

.buildkite/test-pipeline.yaml

@@ -33,14 +33,13 @@ steps:
 
 - label: Documentation Build # 2min
   mirror_hardwares: [amdexperimental]
-  working_dir: "/vllm-workspace/test_docs/docs"
+  working_dir: "/vllm-workspace/test_docs"
   fast_check: true
   no_gpu: True
   commands:
-  - pip install -r ../../requirements/docs.txt
-  - SPHINXOPTS=\"-W\" make html
-  # Check API reference (if it fails, you may have missing mock imports)
-  - grep \"sig sig-object py\" build/html/api/vllm/vllm.sampling_params.html
+  - pip install -r ../requirements/docs.txt
+  # TODO: add `--strict` once warnings in docstrings are fixed
+  - mkdocs build
 
 - label: Async Engine, Inputs, Utils, Worker Test # 24min
   mirror_hardwares: [amdexperimental]

.gitignore

@@ -77,11 +77,6 @@ instance/
 # Scrapy stuff:
 .scrapy
 
-# Sphinx documentation
-docs/_build/
-docs/source/getting_started/examples/
-docs/source/api/vllm
-
 # PyBuilder
 .pybuilder/
 target/
@@ -151,6 +146,7 @@ venv.bak/
 
 # mkdocs documentation
 /site
+docs/getting_started/examples
 
 # mypy
 .mypy_cache/

.pre-commit-config.yaml

@@ -39,6 +39,7 @@ repos:
   rev: v0.9.29
   hooks:
   - id: pymarkdown
+    exclude: '.*\.inc\.md'
     args: [fix]
 - repo: https://github.com/rhysd/actionlint
   rev: v1.7.7

.readthedocs.yaml

@@ -8,12 +8,8 @@ build:
   tools:
     python: "3.12"
 
-sphinx:
-  configuration: docs/source/conf.py
-  fail_on_warning: true
-
-# If using Sphinx, optionally build your docs in additional formats such as PDF
-formats: []
+mkdocs:
+  configuration: mkdocs.yaml
 
 # Optionally declare the Python requirements required to build your docs
 python:

docker/Dockerfile

@@ -329,7 +329,9 @@ COPY vllm/v1 /usr/local/lib/python3.12/dist-packages/vllm/v1
 # will not be imported by other tests
 RUN mkdir test_docs
 RUN mv docs test_docs/
+RUN cp -r examples test_docs/
 RUN mv vllm test_docs/
+RUN mv mkdocs.yaml test_docs/
 #################### TEST IMAGE ####################
 
 #################### OPENAI API SERVER ####################

docs/.nav.yml

@@ -0,0 +1,51 @@
+nav:
+  - Home: 
+    - vLLM: README.md
+    - Getting Started:
+      - getting_started/quickstart.md
+      - getting_started/installation
+    - Examples:
+      - LMCache: getting_started/examples/lmcache
+      - getting_started/examples/offline_inference
+      - getting_started/examples/online_serving
+      - getting_started/examples/other
+    - Roadmap: https://roadmap.vllm.ai
+    - Releases: https://github.com/vllm-project/vllm/releases
+  - User Guide:
+    - Inference and Serving:
+      - serving/offline_inference.md
+      - serving/openai_compatible_server.md
+      - serving/*
+      - serving/integrations
+    - Training: training
+    - Deployment:
+      - deployment/*
+      - deployment/frameworks
+      - deployment/integrations
+    - Performance: performance
+    - Models:
+      - models/supported_models.md
+      - models/generative_models.md
+      - models/pooling_models.md
+      - models/extensions
+    - Features:
+      - features/compatibility_matrix.md
+      - features/*
+      - features/quantization
+    - Other:
+      - getting_started/*
+  - Developer Guide:
+    - contributing/overview.md
+    - glob: contributing/*
+      flatten_single_child_sections: true
+    - contributing/model
+    - Design Documents:
+      - V0: design
+      - V1: design/v1
+  - API Reference:
+    - api/README.md
+    - glob: api/vllm/*
+      preserve_directory_names: true
+  - Community:
+    - community/*
+    - vLLM Blog: https://blog.vllm.ai

docs/Makefile

@@ -0,0 +1,2 @@
+search:
+  boost: 0.5