Repository is not signed in docker build
问题 I have the following Dockerfile that uses the latest Ubuntu image pulled from dockerhub: FROM ubuntu:latest RUN apt-get update && apt-get install -y g++ llvm lcov when I launch the docker build command, the following errors occur: Err:2 http://archive.ubuntu.com/ubuntu bionic InRelease At least one invalid signature was encountered. Err:1 http://security.ubuntu.com/ubuntu bionic-security InRelease At least one invalid signature was encountered. Err:3 http://archive.ubuntu.com/ubuntu bionic