👷‍♂️ Upgrade CI for docs (#628)

Author: tiangolo

.github/actions/watch-previews/Dockerfile

@@ -7,14 +7,34 @@ on:
     types:
       - opened
       - synchronize
-  workflow_dispatch:
-    inputs:
-      debug_enabled:
-        description: 'Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)'
-        required: false
-        default: false
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    # Required permissions
+    permissions:
+      pull-requests: read
+    # Set job outputs to values from filter step
+    outputs:
+      docs: ${{ steps.filter.outputs.docs }}
+    steps:
+    - uses: actions/checkout@v3
+    # For pull requests it's not necessary to checkout the code but for the main branch it is
+    - uses: dorny/paths-filter@v2
+      id: filter
+      with:
+        filters: |
+          docs:
+            - README.md
+            - docs/**
+            - docs_src/**
+            - pyproject.toml
+            - mkdocs.yml
+            - mkdocs.insiders.yml
+
   build-docs:
+    needs:
+      - changes
+    if: ${{ needs.changes.outputs.docs == 'true' }}
     runs-on: ubuntu-latest
     steps:
       - name: Dump GitHub context
@@ -26,18 +46,12 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.11"
-      # Allow debugging with tmate
-      - name: Setup tmate session
-        uses: mxschmitt/action-tmate@v3
-        if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.debug_enabled }}
-        with:
-          limit-access-to-actor: true
       - uses: actions/cache@v3
         id: cache
         with:
           path: ${{ env.pythonLocation }}
-          key: ${{ runner.os }}-python-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}-root-docs-v2
-      - name: Install poetry
+          key: ${{ runner.os }}-python-docs-${{ env.pythonLocation }}-${{ hashFiles('pyproject.toml') }}-v01
+      - name: Install Poetry
         if: steps.cache.outputs.cache-hit != 'true'
         run: |
           python -m pip install --upgrade pip
@@ -61,19 +75,20 @@ jobs:
       - name: Build Docs with Insiders
         if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.fork == false
         run: python -m poetry run mkdocs build --config-file mkdocs.insiders.yml
-      - name: Zip docs
-        run: python -m poetry run bash ./scripts/zip-docs.sh
       - uses: actions/upload-artifact@v3
         with:
-          name: docs-zip
-          path: ./site/docs.zip
-      - name: Deploy to Netlify
-        uses: nwtgck/[email protected]
+          name: docs-site
+          path: ./site/**
+
+  # https://github.com/marketplace/actions/alls-green#why
+  docs-all-green:  # This job does nothing and is only used for the branch protection
+    if: always()
+    needs:
+      - build-docs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Decide whether the needed jobs succeeded or failed
+        uses: re-actors/alls-green@release/v1
         with:
-          publish-dir: './site'
-          production-branch: main
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          enable-commit-comment: false
-        env:
-          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
-          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+          jobs: ${{ toJSON(needs) }}
+          allowed-skips: build-docs

.github/actions/watch-previews/action.yml

@@ -1,45 +1,48 @@
-name: Preview Docs
+name: Deploy Docs
 on:
   workflow_run:
     workflows:
       - Build Docs
-    types: 
+    types:
       - completed
 
 jobs:
-  preview-docs:
-    runs-on: ubuntu-20.04
+  deploy-docs:
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/[email protected]
+      - name: Dump GitHub context
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "$GITHUB_CONTEXT"
+      - uses: actions/checkout@v3
       - name: Clean site
         run: |
           rm -rf ./site
           mkdir ./site
       - name: Download Artifact Docs
-        uses: dawidd6/[email protected]
+        id: download
+        uses: dawidd6/[email protected]
         with:
+          if_no_artifact_found: ignore
           github_token: ${{ secrets.GITHUB_TOKEN }}
           workflow: build-docs.yml
           run_id: ${{ github.event.workflow_run.id }}
-          name: docs-zip
+          name: docs-site
           path: ./site/
-      - name: Unzip docs
-        run: |
-          cd ./site
-          unzip docs.zip
-          rm -f docs.zip
       - name: Deploy to Netlify
+        if: steps.download.outputs.found_artifact == 'true'
         id: netlify
-        uses: nwtgck/actions-netlify@v1.1.5
+        uses: nwtgck/actions-netlify@v2.0.0
         with:
           publish-dir: './site'
-          production-deploy: false
+          production-deploy: ${{ github.event.workflow_run.head_repository.full_name == github.repository && github.event.workflow_run.head_branch == 'main' }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
           enable-commit-comment: false
         env:
           NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
           NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
       - name: Comment Deploy
+        if: steps.netlify.outputs.deploy-url != ''
         uses: ./.github/actions/comment-docs-preview-in-pr
         with:
           token: ${{ secrets.GITHUB_TOKEN }}