first of all, you don’t want to install the “snap” package, as it is not related to “snapd”. Secondly, myself stumbled across this issue of installing snapd within a docker container: TLDR; Running snapd that way is currently not supported. But that question has been asked already at the snapcraft forums. One of snapd’s dependencies … Read more
Environment Variables If you want to set a number of environment variables into your docker image (to be used within the containers) you can simply use env_file configuration option in your docker-compose.yml file. With that option, all the entries in the .env file will be set as the environment variables in image and hence into … Read more
Unless you specifically attach (-a or -i options) when you start the container, by definition you are detached. Creating a container simply builds the filesystem layer. Starting it runs the ENTRYPOINT (or CMD) process. Run does both the create and the start, as you surmised. So you cannot “attach” to a created container… there is … Read more
I’m not sure if the –net option ever existed but it’s now –network. From docker run –help: –network string Connect a container to a network (default “default”) As @maxm notes you can find the network name, with the DIR prefix of the compose project directory, then simply run it as you were trying: $ docker … Read more
The key difference between these is that older versions of the busybox image statically linked busybox against glibc (current versions dynamically link busybox against glibc due to use of libnss even in static configuration), whereas the alpine image dynamically links against musl libc. Going into the weighting factors used to choose between these in detail … Read more
The -e causes the command to stop on any errors. A more typical syntax is to separate commands with && to stop on any error. The -x causes the shell to output each command being run. This is useful for debugging scripts. From the bash man page under set: -e Exit immediately if a pipeline … Read more
I stucked in two kinds of error system pods running, found labels but still waiting for labels… xxxx: EOF I finally sovled it by following the advice by the following project, https://github.com/AliyunContainerService/k8s-for-docker-desktop/ Do as it told you, if not work, remove ~/.kube and ~/Library/Group\ Containers/group.com.docker/pki directory, then restart docker desktop and wait like 5 minutes. … Read more
The right way to do it is deleting cmd [“…”] docker run –name test test/test-backend /srv/www/bin/gunicorn.sh
Docker client provides cli only, it is just an http api wrapper, Like aws cli. Docker daemon is the brain behind the whole operation, like aws itself. When you use docker run command to start up a container, your docker client will translate that command into http API call, sends it to docker daemon, Docker … Read more