switch to ghactions for docs

.drone.yml

@@ -120,62 +120,6 @@ volumes:
   - name: dockersock
     temp: {}
 
----
-#########################
-##### Documentation #####
-#########################
-
-kind: pipeline
-type: docker
-name: docs
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-
-  - name: build
-    image: python:3.9
-    commands:
-      - python3 -m pip install -r docs/requirements.txt
-      - git config user.name ci-bot
-      - git config user.email ci-bot@k3d.io
-      - mike deploy --update-aliases ${DRONE_TAG} latest
-      - |
-        if [ -z "${DRONE_SEMVER_PRERELEASE}" ] && [ -n "${DRONE_TAG}" ]; then
-          mike alias ${DRONE_TAG} stable
-          mike set-default stable
-        fi
-    when:
-      event:
-        - push
-        - tag
-
-  - name: publish
-    image: plugins/gh-pages
-    settings:
-      password:
-        from_secret: github_token
-      username: rancherio-gh-m
-      pages_directory: site/
-      target_branch: gh-pages
-    when:
-      event:
-        - tag
-      ref:
-        exclude:
-          # exclude tags for pre-releases
-          - "refs/tags/*rc*"
-          - "refs/tags/*beta*"
-          - "refs/tags/*alpha*"
-          - "refs/tags/*test*"
-          - "refs/tags/*dev*"
-
-trigger:
-  event:
-    - push
-    - tag
 
 ---
 ###########################

.github/workflows/docs.yml

@@ -0,0 +1,47 @@
+name: k3d.io
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      # only run on tags for real releases and special docs releases
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-docs.[0-9]+'
+    # tags-ignore:
+    #   - "*rc*"
+    #   - "*beta*"
+    #   - "*alpha*"
+    #   - "*test*"
+    #   - "*dev*"
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    container:
+      image: python:3.9
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Install Requirements
+        run: pip install -r docs/requirements.txt
+      - name: Build with MkDocs (validation)
+        run: |
+          rm -r site/
+          mkdocs build --verbose --clean --strict
+          rm -r site/
+      - name: Configure Git
+        if: startsWith(github.ref, 'refs/tags/')
+        id: git
+        run: |
+          git config --global user.name ghaction-k3d.io
+          git config --global user.email ghaction@k3d.io
+          echo ::set-output name=tag::${GITHUB_REF#refs/tags/}
+      - name: Build & Deploy with Mike (versioned)
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          mike deploy --update-aliases --push --rebase ${{ steps.git.outputs.tag }} stable
+      
+