W: The repository ' bullseye-updates InRelease' is not signed.Į: Some index files failed to download. W: GPG error: bullseye-updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY 0E98404D386FA1D9 There are two versions of Docker Docker CE (Community Edition) and Docker EE (Enterprise Edition). Developing in Docker speeds up applications, as it shares the kernel and other resources, instead of requiring dedicated server resources. W: The repository ' stretch-backports Release' does not have a Release file. Docker is an increasingly popular software package that creates a container for application development. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. W: The repository ' bullseye-security InRelease' is not signed. W: GPG error: bullseye-security InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 112695A0E56234ER23 NO_PUBKEY 54404762BBB6E344 Install Docker Desktop Recommended approach to install Docker Desktop on Debian: Set up Docker’s package repository. The build process is contained in docker images and (almost) no other tools are needed to develop Debian. I tried to find the solution on stack overflow and few others most answer is to include this as part of /etc/apt/sources.list deb stretch main contrib non-freeĭeb stretch/updates main contrib non-freeĭeb stretch-backports main contrib non-freeĪpt-key adv -keyserver -recv-keys 112695A0E56234ER23 54404762BBB6E344Īny other solution to fix the below issue. Debocker builds Debian packages inside docker. They have been ignored, or old ones used instead. N: See apt-secure(8) manpage for repository creation and user configuration details.Į: Some index files failed to download. The isolation allows for the execution of many containers simultaneously on a single host. Containers are isolated, similar to virtual machines, but more portable and resource-friendly. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. Docker is a platform enabling users to package and run applications in containers. To get started with Docker Engine on Debian, make sure you meet the prerequisites, and then follow the installation steps. I am getting below error when i try to build a docker image of spark processor and when it reaches to the point " apt-get update " it stops with above error.
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