Update deploy pages

Author: hkjeldsberg

.github/workflows/deploy_pages.yml

@@ -0,0 +1,77 @@
+name: GitHub pages
+
+on:
+  # Trigger the workflow on push to main branch
+  push:
+    branches:
+      - main
+
+# This job installs dependencies, build the book, and pushes it to `gh-pages`
+jobs:
+  build-and-deploy-book:
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            label: linux-64
+            prefix: /usr/share/miniconda3/envs/oasismove
+
+    # https://github.com/marketplace/actions/setup-miniconda#use-a-default-shell
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    name: Build OasisMove documentation ${{ matrix.label }}
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Upgrade pip and setuptools
+        run: |
+          python3 -m pip install pip setuptools --upgrade
+          
+            # See: https://github.com/marketplace/actions/setup-miniconda
+      - name: Setup miniconda
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+          auto-update-conda: true
+          miniforge-variant: Mambaforge
+          channels: conda-forge
+          python-version: 3.8
+          activate-environment: oasismove
+          environment-file: environment.yml
+          use-mamba: true
+
+      - name: Set cache date
+        run: echo "DATE=$(date +'%Y%m%d')" >> $GITHUB_ENV
+
+      - uses: actions/cache@v2
+        with:
+          path: ${{ matrix.prefix }}
+          key: ${{ matrix.label }}-conda-${{ hashFiles('environment.yml') }}-${{ env.DATE }}-${{ env.CACHE_NUMBER }}
+        id: cache
+
+      - name: Update environment
+        run: mamba env update -n oasismove -f environment.yml
+        if: steps.cache.outputs.cache-hit != 'true'
+
+      - name: Install dependencies
+        run: |
+          pip install -r requirements.txt
+
+      - name: Install VaMPy
+        run: python3 -m pip install .[test]
+
+        # Build the book
+      - name: Build the book
+        run: |
+          jupyter-book build docs
+
+      # Deploy the book's HTML to gh-pages branch
+      - name: GitHub Pages action
+        uses: peaceiris/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: docs/_build/html