use var instead of env

action.yml

@@ -4,12 +4,12 @@ description: 'build docker image and push to simcu code'
 runs:
   using: 'composite'
   steps:
-      - uses: docker://node:20
+      - uses: docker://node:18
         with:
           entrypoint: "/bin/bash"
           args: |
            -c "npm install && \
-               npm run build -- --output-path=dist"
+               npm run build -- --outputPath=dist"
            
       - uses: docker://ubuntu:latest
         with: