adds dockerfile

.github/workflows/Dockerfile

@@ -0,0 +1,8 @@
+FROM node:17-alpine
+RUN npm install -g @11ty/eleventy --unsafe-perm
+COPY entrypoint.sh /
+RUN chmod +x /entrypoint.sh
+RUN echo "Running \`npm install\`"
+RUN npm install
+RUN echo "Running eleventy"
+RUN npm run eleventy

.github/workflows/eleventy-deploy.yml

@@ -6,17 +6,12 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v4
       - name: Build Eleventy site
-        uses: actions/setup-node@v3
-        with:
-          node-version: 18
-      - run: |
-          npm install \
-          npm run eleventy
+        runs:
+          using: docker
+          image: Dockerfile
       - name: Rsync Deployments Action
         # You may pin to the exact commit or the version.
         # uses: Burnett01/rsync-deployments@2651e3eecb4ea772cbe952695d04952e92027b4f