Step 4/10 : WORKDIR /usr/src/app ---> Using cache ---> bd1dd1deaacd Step 5/10 : RUN yarn config set registry https://registry.npm.taobao.org/ ---> Using cache ---> 08742d87eac0 Step 6/10 : COPY package.json yarn.lock /usr/src/app/ COPY failed: stat /home/docker/tmp/docker-builder575857741/yarn.lock: no such file or directory