ci: add spellchecker with custom vocabulary and fix typos (#268)

Signed-off-by: Michele Dolfi <dol@zurich.ibm.com>

.github/styles/config/vocabularies/Docling/accept.txt

@@ -0,0 +1,35 @@
+[Dd]ocling
+precommit
+asgi
+async
+(?i)urls
+uvicorn
+[Ww]ebserver
+keyfile
+[Ww]ebsocket(s?)
+[Kk]ubernetes
+UI
+(?i)vllm
+APIs
+[Ss]ubprocesses
+(?i)api
+Kubeflow
+(?i)Jobkit
+(?i)cpu
+(?i)PyTorch
+(?i)CUDA
+(?i)NVIDIA
+(?i)env
+Gradio
+bool
+Ollama
+inbody
+LGTMs
+Dolfi
+Lysak
+Nikos
+Nassar
+Panos
+Vagenas
+Staar
+Livathinos

.github/vale.ini

@@ -0,0 +1,11 @@
+StylesPath = styles
+MinAlertLevel = suggestion
+; Packages = write-good, proselint
+
+Vocab = Docling
+
+[*.md]
+BasedOnStyles = Vale
+
+[CHANGELOG.md]
+BasedOnStyles = 

.pre-commit-config.yaml

@@ -21,6 +21,17 @@ repos:
         pass_filenames: false
         language: system
         files: '\.py$'
+  - repo: https://github.com/errata-ai/vale
+    rev: v3.12.0  # Use latest stable version
+    hooks:
+      - id: vale
+        name: vale sync
+        pass_filenames: false
+        args: [sync, "--config=.github/vale.ini"]
+      - id: vale
+        name: Spell and Style Check with Vale
+        args: ["--config=.github/vale.ini"]
+        files: \.md$
   - repo: https://github.com/astral-sh/uv-pre-commit
     # uv version.
     rev: 0.7.13

MAINTAINERS.md

@@ -1,11 +1,11 @@
 # MAINTAINERS
 
-- Christoph Auer - [@cau-git](https://github.com/cau-git)
-- Michele Dolfi - [@dolfim-ibm](https://github.com/dolfim-ibm)
-- Maxim Lysak - [@maxmnemonic](https://github.com/maxmnemonic)
-- Nikos Livathinos - [@nikos-livathinos](https://github.com/nikos-livathinos)
-- Ahmed Nassar - [@nassarofficial](https://github.com/nassarofficial)
-- Panos Vagenas - [@vagenas](https://github.com/vagenas)
-- Peter Staar - [@PeterStaar-IBM](https://github.com/PeterStaar-IBM)
+- Christoph Auer - [`@cau-git`](https://github.com/cau-git)
+- Michele Dolfi - [`@dolfim-ibm`](https://github.com/dolfim-ibm)
+- Maxim Lysak - [`@maxmnemonic`](https://github.com/maxmnemonic)
+- Nikos Livathinos - [`@nikos-livathinos`](https://github.com/nikos-livathinos)
+- Ahmed Nassar - [`@nassarofficial`](https://github.com/nassarofficial)
+- Panos Vagenas - [`@vagenas`](https://github.com/vagenas)
+- Peter Staar - [`@PeterStaar-IBM`](https://github.com/PeterStaar-IBM)
 
 Maintainers can be contacted at [deepsearch-core@zurich.ibm.com](mailto:deepsearch-core@zurich.ibm.com).

README.md

@@ -12,7 +12,7 @@ Running [Docling](https://github.com/docling-project/docling) as an API service.
 
 - Learning how to [configure the webserver](./docs/configuration.md)
 - Get to know all [runtime options](./docs/usage.md) of the API
-- Explore usefule [deployment examples](./docs/deployment.md)
+- Explore useful [deployment examples](./docs/deployment.md)
 - And more
 
  > [!NOTE] Migration to the `v1` API
@@ -62,15 +62,15 @@ Available container images:
 | [`ghcr.io/docling-project/docling-serve-cu126`](https://github.com/docling-project/docling-serve/pkgs/container/docling-serve-cu126) <br /> [`quay.io/docling-project/docling-serve-cu126`](https://quay.io/repository/docling-project/docling-serve-cu126) | Cuda 12.6 image which installs `torch` from the pytorch cu126 index. | `linux/amd64` | 8.7 GB |
 | [`ghcr.io/docling-project/docling-serve-cu128`](https://github.com/docling-project/docling-serve/pkgs/container/docling-serve-cu128) <br /> [`quay.io/docling-project/docling-serve-cu128`](https://quay.io/repository/docling-project/docling-serve-cu128) | Cuda 12.8 image which installs `torch` from the pytorch cu128 index. | `linux/amd64` | 8.7 GB |
 
-Coming soon: `docling-serve-slim` images will reduce the size by skipping the model weights download.
+Coming son: `docling-serve-slim` images will reduce the size by skipping the model weights download.
 
 ### Demonstration UI
 
 An easy to use UI is available at the `/ui` endpoint.
 
-![ui-input.png](img/ui-input.png)
+![Input controllers in the UI](img/ui-input.png)
 
-![ui-output.png](img/ui-output.png)
+![Output visualization in the UI](img/ui-output.png)
 
 ## Get help and support
 

docling_serve/app.py

@@ -62,7 +62,7 @@ from docling_serve.orchestrator_factory import get_async_orchestrator
 from docling_serve.response_preparation import prepare_response
 from docling_serve.settings import docling_serve_settings
 from docling_serve.storage import get_scratch
-from docling_serve.websocker_notifier import WebsocketNotifier
+from docling_serve.websocket_notifier import WebsocketNotifier
 
 
 # Set up custom logging as we'll be intermixes with FastAPI/Uvicorn's logging

docs/configuration.md

@@ -7,7 +7,7 @@ server and the actual app-specific configurations.
 
  > [!WARNING]
 > When the server is running with `reload` or with multiple `workers`, uvicorn
-> will spawn multiple subprocessed. This invalidates all the values configured
+> will spawn multiple subprocesses. This invalidates all the values configured
 > via the CLI command line options. Please use environment variables in this
 > type of deployments.
 
@@ -36,7 +36,7 @@ THe following table describes the options to configure the Docling Serve app.
 | CLI option | ENV | Default | Description |
 | -----------|-----|---------|-------------|
 | `--artifacts-path` | `DOCLING_SERVE_ARTIFACTS_PATH` | unset | If set to a valid directory, the model weights will be loaded from this path |
-|  | `DOCLING_SERVE_STATIC_PATH` | unset | If set to a valid directory, the static assets for the docs and ui will be loaded from this path |
+|  | `DOCLING_SERVE_STATIC_PATH` | unset | If set to a valid directory, the static assets for the docs and UI will be loaded from this path |
 |  | `DOCLING_SERVE_SCRATCH_PATH` |  | If set, this directory will be used as scratch workspace, e.g. storing the results before they get requested. If unset, a temporary created is created for this purpose. |
 | `--enable-ui` | `DOCLING_SERVE_ENABLE_UI` | `false` | Enable the demonstrator UI. |
 |  | `DOCLING_SERVE_ENABLE_REMOTE_SERVICES` | `false` | Allow pipeline components making remote connections. For example, this is needed when using a vision-language model via APIs. |

docs/pre-loading-models.md

@@ -74,7 +74,7 @@ This document provides examples for pre-loading docling models to a persistent v
     Manifest example: [docling-model-cache-job.yaml](./deploy-examples/docling-model-cache-job.yaml)
 
 3. Now we can mount volume in the docling-serve deployment and set env `DOCLING_SERVE_ARTIFACTS_PATH` to point to it.
-    Following additions to deploymeny should be made:
+    Following additions to deployment should be made:
 
     ```yaml
     spec:
@@ -98,6 +98,6 @@ This document provides examples for pre-loading docling models to a persistent v
 
     Make sure that value of `DOCLING_SERVE_ARTIFACTS_PATH` is the same as where models were downloaded and where volume is mounted.
 
-    Now when docling-serve is executing tasks, the underlying docling installation will load model weights from mouted volume.
+    Now when docling-serve is executing tasks, the underlying docling installation will load model weights from mounted volume.
 
     Manifest example: [docling-model-cache-deployment.yaml](./deploy-examples/docling-model-cache-deployment.yaml)

docs/usage.md

@@ -9,7 +9,7 @@ On top of the source of file (see below), both endpoints support the same parame
 - `from_formats` (List[str]): Input format(s) to convert from. Allowed values: `docx`, `pptx`, `html`, `image`, `pdf`, `asciidoc`, `md`. Defaults to all formats.
 - `to_formats` (List[str]): Output format(s) to convert to. Allowed values: `md`, `json`, `html`, `text`, `doctags`. Defaults to `md`.
 - `pipeline` (str). The choice of which pipeline to use. Allowed values are `standard` and `vlm`. Defaults to `standard`.
-- `page_range` (tuple). If speficied, only convert a range of pages. The page number starts at 1.
+- `page_range` (tuple). If specified, only convert a range of pages. The page number starts at 1.
 - `do_ocr` (bool): If enabled, the bitmap content will be processed using OCR. Defaults to `True`.
 - `image_export_mode`: Image export mode for the document (only in case of JSON, Markdown or HTML). Allowed values: embedded, placeholder, referenced. Optional, defaults to `embedded`.
 - `force_ocr` (bool): If enabled, replace any existing text with OCR-generated text over the full content. Defaults to `False`.
@@ -25,8 +25,8 @@ On top of the source of file (see below), both endpoints support the same parame
 - `do_picture_classification` (bool): If enabled, classify pictures in documents. Defaults to false.
 - `do_picture_description` (bool): If enabled, describe pictures in documents. Defaults to false.
 - `picture_description_area_threshold` (float): Minimum percentage of the area for a picture to be processed with the models. Defaults to 0.05.
-- `picture_description_local` (dict): Options for running a local vision-language model in the picture description. The parameters refer to a model hosted on Hugging Face. This parameter is mutually exclusive with picture_description_api.
-- `picture_description_api` (dict): API details for using a vision-language model in the picture description. This parameter is mutually exclusive with picture_description_local.
+- `picture_description_local` (dict): Options for running a local vision-language model in the picture description. The parameters refer to a model hosted on Hugging Face. This parameter is mutually exclusive with `picture_description_api`.
+- `picture_description_api` (dict): API details for using a vision-language model in the picture description. This parameter is mutually exclusive with `picture_description_local`.
 - `include_images` (bool): If enabled, images will be extracted from the document. Defaults to false.
 - `images_scale` (float): Scale factor for images. Defaults to 2.0.
 
@@ -307,7 +307,7 @@ Example URLs are:
     }
     ```
 
-- `http://localhost:11434/v1/chat/completions` for the local ollama api, with example `picture_description_api`:
+- `http://localhost:11434/v1/chat/completions` for the local Ollama api, with example `picture_description_api`:
   - the `granite3.2-vision:2b` model
 
     ```json
@@ -355,7 +355,7 @@ The response can be a JSON Document or a File.
 
 Both `/v1/convert/source` and `/v1/convert/file` endpoints are available as asynchronous variants.
 The advantage of the asynchronous endpoints is the possible to interrupt the connection, check for the progress update and fetch the result.
-This approach is more resilient against network stabilities and allows the client application logic to easily interleave conversion with other tasks.
+This approach is more resilient against network instabilities and allows the client application logic to easily interleave conversion with other tasks.
 
 Launch an asynchronous conversion with:
 
@@ -402,7 +402,7 @@ while task["task_status"] not in ("success", "failure"):
 ### Subscribe with websockets
 
 Using websocket you can get the client application being notified about updates of the conversion task.
-To start the websocker connection, use the endpoint:
+To start the websocket connection, use the endpoint:
 
 - `/v1/status/ws/{task_id}`
 
@@ -417,7 +417,7 @@ Websocket messages are JSON object with the following structure:
 ```
 
 <details>
-<summary>Example websocker usage:</summary>
+<summary>Example websocket usage:</summary>
 
 ```python
 from websockets.sync.client import connect