run on alpine actually

.gitea/workflows/build.yml

@@ -4,8 +4,10 @@ on: [push]
 jobs:
   Build:
     container:
-      image: node:lts-alpine
+      image: alpine:latest
     steps:
+      - name: Install dependencies
+        run: apk add docker nodejs
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Build docker image