Deploy on Github Pages

Author: vouillon

.github/workflows/deploy.yml

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+jobs:
+  # Build job
+  build:
+    steps:
+      - name: Checkout tree
+        uses: actions/checkout@v4
+
+      - name: Set-up OCaml
+        uses: ocaml/setup-ocaml@v3
+        with:
+          ocaml-compiler: 5.3
+
+      - run:|
+        opam pin add -n git@github.com:dbuenzli/brr.git
+        opam install brr lwt yojson wasm_of_ocaml-compiler
+
+      - name: Build
+        run: cd src/web && dune build @all
+
+      - name: Build archive
+        run:|
+        (cd _build/default/src/web && tar zcf - data icon*.png index.html manifest.json viewer.bc.wasm.* service_worker/service_worker.bc.js) > github-pages.tar.gz
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: github-pages
+          path: github-pages.tar.gz
+
+  # Deploy job
+  deploy:
+    needs: build
+
+    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+
+    # Deploy to the github-pages environment
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    # Specify runner + deployment step
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4 # or specific "vX.X.X" version tag for this action