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View ArticleHow reliable is NFS for using in Kubernetes?
I'm setting up a self-managed Kubernetes cluster where I'm limited by the number of choices for the backend storage for Pods.I should use a remote storage, so that multiple Pods can read/write at the...
View ArticleMicroservice for every unique user in Kubernetes [closed]
For my web app, Each unique user will have their own configurable environment variables. I want to create a separate micro service for every unique user (due to the nature of the project, Not possible...
View ArticlePrint application log in an external directory from Golang application...
I am new to containerization. I have a Golang application deployed in a Kubernetes cluster inside an Ubuntu VM. I can access the application log using k logs -f <pod-name> command. However, I...
View ArticleWhat is the best practice for containerizing a cross-platform CI/CD environment?
I'm looking for advice on what the best practice is for implementing a containerized CI/CD environment within GitHub Actions, which supports Windows, MacOS & Linux (Ubuntu) environments, used for...
View ArticleAre there examples of other production grade container runtimes?
While we say "Docker is just one possible container runtime", are there other implementations used in production environments as of late 2019, and do they have different approaches? (while Docker being...
View ArticleDo docker layers work at file level or block level?
I'm considering using a Docker image as way to snapshot a MySQL database after fixtures have been loaded, in order to quickly restore the snapshot before each acceptance test.In order for this to be...
View ArticleWhat feature of Windows used by Docker
I know docker is based on cgroups and namespaces in Linux operating system, but I wanted to know what feature in Windows used by docker to implement containers? Somebody could explain it?
View ArticleHow to delete an existing label in a deployment with helm upgrade
I have an existing deployment that has the label importance: normal in spec/template/metadata/labels (all the pods spawned from this deployment have that label in them).The current deployment yaml does...
View ArticleAfter removing Docker container, why is it automatically re-created?
I'm using ubuntu-16.04 desktop and installed Docker-1.5-1 and docker-engine-17.05.0~ce-0~ubuntu-xenial, in which I installed openmedicus/phplist. My aim is to remove the container, and the image as...
View ArticleHow do I schedule to run a docker python app hosted on Azure Container...
I have pushed a docker python app to ACR already and I would like to be able to set up and manage "cron" tasks in order to run the image with custom run commands. For instance:Take image A and run it...
View Articledocker-compose.yml - Inheritance of Services and Environment Variables
What I knowThere is a extends keywordservices: base: image: image01 environment: BASE_VAR="Something" service01: extends: service: baseThere are Extension Fieldsx-default: &base environment:...
View ArticleAzure DevOps Pipeline failure - Program does not contain a static 'Main'...
I have been tasked with deploying an email service to an Azure tenant using Windows Containers. In my Pipeline (Azure DevOps), I am receiving the following error when in the build step:CSC : error...
View ArticleWhy does running a nginx image in docker interactive mode makes nginx not...
I have made a docker container from nginx running in background this way:docker run -d --name nginx1 -p 49699:80 nginxWhen I go to localhost:49699 on a browser with cleared cache it works properly as I...
View ArticleWhy k8s with minikube NodePort are not working?
I am using minikube on my windows 11 machine just to start testing k8s. And my NodePorts are not giving an URL, and even when I recover the service's I.P and ports by using kubectl describe and I use...
View ArticleHow can I make an image out of a k8s specific pod container
I have made a pod, and it has only one container, I've been able to connect ot it by using kubectl exec -it -c <container_name> <pod_name> bashAnd I've installed and done several stuff on...
View ArticleWhy does k8s by design uses 3 ports for NodePort's services instead of just 2
I am seeing that to create a nodePort service using a yaml manifest there are three port parameters to enter: port, targetport and NodePort.To give an example, I have this hypothethical manifest:Now I...
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Error registering container in Gitlab
I'm trying to register a container in a project, I thought it was a passing problem, but it persisted. I created a new project still holds. I never got around to using Gitlab's registry for containers....
View ArticleWay to detect base container version for pods
I am trying to understand how companies detect that a Kuberentes pod is running a container that is based on a container image that is out of date.So, for example, say I have an application called...
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