# ENV NODE_EXTRA_CA_CERTS=/etc/ssl/certs/ca-certificates.crt
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
...
...
# RUN npm config set cafile /etc/ssl/certs/ca-certificates.crt && cd && npm i node-pty
RUN npm config set proxy=http://xxx.xxx.xxx.xxx:7890 # 自己的科学网关
RUN npm config set registry=http://registry.npmjs.org
RUN cd && npm i node-pty
这样改过以后, 可以开个cmd窗口,按图片中拷贝下来的命令进行测试,一般会很顺畅。