修改dockerfile

Dockerfile

@@ -10,7 +10,7 @@ RUN chmod +x run.sh
 
 RUN npm install yarn -g
 RUN npm install -g node-gyp
-RUN yarn
+RUN npm install
 
 #RUN export SASS_BINARY_PATH=linux_musl-x64-57_binding.node
 #RUN export PATH=$PATH:$SASS_BINARY_PATH