docker构建报错

[weiyuanli]

root@VM-0-10-ubuntu:~/panda/easy-test-panda# docker-compose up -d Building web Step 1/6 : FROM nginx:1.17 ---> 9beeba249f3e Step 2/6 : RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' > /etc/timezone ---> Using cache ---> 4cda9c5c03be Step 3/6 : COPY dist/ /usr/share/nginx/html/ ERROR: Service 'web' failed to build: COPY failed: file not found in build context or excluded by .dockerignore: stat dist/: file does not exist