Auto publish docs

.github/workflows/docker.yaml

@@ -1,22 +0,0 @@
-name: Docker Image
-on: [push]
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: Inject slug/short variables
-        uses: rlespinasse/github-slug-action@v2.x
-      - name: Set variables
-        run: |
-          echo "::set-env name=REPOSITORY::$(echo $GITHUB_REPOSITORY | tr '[A-Z]' '[a-z]')"
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v1.1.0
-        with:
-          username: ${{ github.actor }}
-          password: ${{ github.token }}
-          registry: docker.pkg.github.com
-          repository: ${{ env.REPOSITORY }}/server
-          tag_with_sha: true
-          tag_with_ref: true

.github/workflows/publish.yaml

@@ -0,0 +1,48 @@
+name: Publish
+on: [push]
+jobs:
+  docs:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Cache SBT
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.ivy2/cache
+            ~/.sbt
+          key: ${{ runner.os }}-sbt-${{ hashFiles('**/build.sbt') }}
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Scala
+        uses: olafurpg/setup-scala@v5
+      - name: Build docs
+        run: sbt docs/unidoc
+      - name: Deploy to GitHub Pages
+        uses: JamesIves/github-pages-deploy-action@3.5.9
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          BRANCH: gh-pages
+          FOLDER: docs/target/scala-2.13/unidoc
+
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Inject slug/short variables
+        uses: rlespinasse/github-slug-action@v2.x
+      - name: Set variables
+        run: |
+          echo "::set-env name=REPOSITORY::$(echo $GITHUB_REPOSITORY | tr '[A-Z]' '[a-z]')"
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v1.1.0
+        with:
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+          registry: docker.pkg.github.com
+          repository: ${{ env.REPOSITORY }}/server
+          tag_with_sha: true
+          tag_with_ref: true