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Specify the order Dockers run on Kubernetes pod


Specify the order Dockers run on Kubernetes pod

By : user2952007
Date : November 18 2020, 03:49 PM
around this issue Kubernetes currently does not allow specification of container startup dependencies.
There has been some discussion in GitHub issues 1996 and 1589 that might help you out.
code :


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What does it mean to attach a tty/std-in-out to dockers or lxc?

What does it mean to attach a tty/std-in-out to dockers or lxc?


By : Abdul Kc
Date : March 29 2020, 07:55 AM
Any of those help stdin, stdout, and ttys are related concepts. stdin and stdout are the input and output streams of a process. A pseudo terminal (also known as a tty or a pts) connects a user's "terminal" with the stdin and stdout stream, commonly (but not necessarily) through a shell such as bash. I use quotes around "terminal" since we really don't use a terminal in the same sense today.
In the case of docker, you'll often use -t and -i together when you run processes in interactive mode, such as when starting a bash shell. In the case of the shell you want to be able to issue commands and read the output.
Django and apache on different dockers

Django and apache on different dockers


By : Wayne
Date : March 29 2020, 07:55 AM
I hope this helps . mod_wsgi would be the wrong technology if you want to do this. It runs as part of Apache itself, so there literally is nothing to run in the Django container.
A better way would be to use gunicorn to run Django in one container, and have the other running the webserver as a proxy - you could use Apache for this, although it's more common to use nginx.
Can I run a .Net web application on Dockers for windows?

Can I run a .Net web application on Dockers for windows?


By : Alejandro Martinez
Date : March 29 2020, 07:55 AM
seems to work fine You can at least use dotnet core image.
From Getting Started with .NET and Docker:
Kubernetes add system variable to Dockers entrypoint

Kubernetes add system variable to Dockers entrypoint


By : user3595814
Date : March 29 2020, 07:55 AM
this one helps. You can reference environment variables in command and args.
From https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/
code :
env:
- name: MESSAGE
  value: "hello world"
command: ["/bin/echo"]
args: ["$(MESSAGE)"]
Specify scheduling order of a Kubernetes DaemonSet

Specify scheduling order of a Kubernetes DaemonSet


By : Steve
Date : March 29 2020, 07:55 AM
Hope this helps Kubernetes itself does not provide a way to specific dependencies between pods / deployments / services (e.g. "start pod A only if service B is available" or "start pod A after pod B").
The currect approach (based on what I found while researching this) seems to be retry logic or an init container. To quote the docs:
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