diff --git a/.github/workflows/s3-backup.yml b/.github/workflows/s3-backup.yml
new file mode 100644
index 000000000..18ff6cbfd
--- /dev/null
+++ b/.github/workflows/s3-backup.yml
@@ -0,0 +1,33 @@
+name: S3 backup
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 6 * * *"
+
+jobs:
+  s3-backup:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0 # retrieve all history
+
+    - name: Configure AWS credentials
+      uses: aws-actions/configure-aws-credentials@v1
+      with:
+        aws-access-key-id: ${{ secrets.AWS_S3_BACKUP_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.AWS_S3_BACKUP_SECRET_ACCESS_KEY }}
+        aws-region: ca-central-1
+
+    - name: Create ZIP bundle
+      run: |
+        ZIP_FILE=`basename ${{ github.repository }}`-`date '+%Y-%m-%d'`.zip
+        zip -rq "${ZIP_FILE}" .
+        mkdir -p ${{ github.repository }}
+        mv "${ZIP_FILE}" ${{ github.repository }}
+
+    - name: Upload to S3 bucket
+      run: |
+        aws s3 sync . s3://${{ secrets.AWS_S3_BACKUP_BUCKET }} --exclude='*' --include='${{ github.repository }}/*'
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