[infra] Move mkdocs to use poetry as docs group dep

.github/workflows/python-ci-docs.yml

@@ -36,12 +36,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Install poetry
+        run: make install-poetry
       - uses: actions/setup-python@v5
         with:
           python-version: 3.12
       - name: Install
-        working-directory: ./mkdocs
-        run: pip install -r requirements.txt
-      - name: Build
-        working-directory: ./mkdocs
-        run: mkdocs build --strict
+        run: make docs-install
+      - name: Build docs
+        run: make docs-build

.github/workflows/python-release-docs.yml

@@ -31,15 +31,15 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Install poetry
+        run: make install-poetry
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
-      - name: Install
-        working-directory: ./mkdocs
-        run: pip install -r requirements.txt
-      - name: Build
-        working-directory: ./mkdocs
-        run: mkdocs build --strict
+      - name: Install docs
+        run: make docs-install
+      - name: Build docs
+        run: make docs-build
       - name: Copy
         working-directory: ./mkdocs
         run: mv ./site /tmp/site

Makefile

@@ -27,7 +27,7 @@ install-poetry:  ## Install poetry if the user has not done that yet.
          echo "Poetry is already installed."; \
      fi
 
-install-dependencies: ## Install dependencies including dev and all extras
+install-dependencies: ## Install dependencies including dev, docs, and all extras
 	poetry install --all-extras
 
 install: | install-poetry install-dependencies
@@ -97,3 +97,12 @@ clean: ## Clean up the project Python working environment
 	@find . -name "*.pyd" -exec echo Deleting {} \; -delete
 	@find . -name "*.pyo" -exec echo Deleting {} \; -delete
 	@echo "Cleanup complete"
+
+docs-install:
+	poetry install --with docs
+
+docs-serve:
+	poetry run mkdocs serve -f mkdocs/mkdocs.yml
+
+docs-build:
+	poetry run mkdocs build -f mkdocs/mkdocs.yml --strict

mkdocs/README.md

@@ -22,7 +22,6 @@ The pyiceberg docs are stored in `docs/`.
 ## Running docs locally
 
 ```sh
-pip3 install -r requirements.txt
-mkdocs serve
-open http://localhost:8000/
+make docs-install
+make docs-serve
 ```