Why does “docker attach” hang?

It does not really hang. As you can see in the comment below (You are running “/bin/bash” as command) it seems to be expected behaviour when attaching. As far as I understand you attach to the running shell and just the stdin/stdout/stderr – depending on the options you pass along with the run command – … Read more

Docker hv-sock proxy (vsudd) is not reachable windows

I have docker 17.12.0-ce-win46 build installed on my window 10 laptop. Each time i start it I get the error below… I have followed all recommended solutions I could fine online on how to resolve this issue but the issue persist. at Docker.Backend.ContainerEngine.Linux.ConnectToVsud(TaskCompletionSource`1 vmId) in C:\gopath\src\github.com\docker\pinata\win\src\Docker.Backend\ContainerEngine\Linux.cs:line 293 at Docker.Backend.ContainerEngine.Linux.DoStart(Settings settings, String daemonOptions) in C:\gopath\src\github.com\docker\pinata\win\src\Docker.Backend\ContainerEngine\Linux.cs:line 260 … Read more

Docker: How to clear the logs properly for a Docker container?

First the bad answer. From this question there’s a one-liner that you can run: instead of echo, there’s the simpler: or there’s the truncate command: I’m not a big fan of either of those since they modify Docker’s files directly. The external log deletion could happen while docker is writing json formatted data to the file, resulting … Read more

build context for docker image very large

The Docker client sends the entire “build context” to the Docker daemon. That build context (by default) is the entire directory the Dockerfile is in (so, the entire rpms tree). You can setup a .dockerignore file to get Docker to ignore some files. You might want to experiment with it. Alternatively, you can move your rpms folder one directory level above your Dockerfile, and … Read more

What is the use of PYTHONUNBUFFERED in docker file?

Setting PYTHONUNBUFFERED to a non empty value ensures that the python output is sent straight to terminal (e.g. your container log) without being first buffered and that you can see the output of your application (e.g. django logs) in real time. This also ensures that no partial output is held in a buffer somewhere and never written … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)