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Questions tagged [docker]

Docker is an open source project that automates the deployment of applications inside software containers.

Docker is an open source project that automates the deployment of applications inside software containers. Docker extends a common container format called Linux Containers (LXC), with a high-level API providing a lightweight virtualization solution that runs processes in isolation. Docker utilizes LXC, cgroups, and the Linux kernel itself. Unlike traditional virtual machines, a Docker container does not include a separate operating system, instead it relies on the operating system’s functionality provided by the underlying infrastructure.

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How to simultaneously update 2 services with kubernetes?

Kubernetes rolling updates will be creating new pods with updates and gradually change old pods by new, and as soon as new pod is ready it will get traffic by round-robin with the old ones. But what to do in case that I have 2 services one is using…
ogbofjnr
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Node.js UDP listener inside Docker container reports packets' source IP unreliably

I have a Node.JS application receiving UDP packets, which I have recently moved into a Docker container for easy deployment. The application relies on distinguishing multiple UDP streams based on the source IP (using rinfo.address on the 'message'…
foucdeg
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Kitematic (docker) - pointing to a host on a docker-machine?

I am using kitematic but when i launch it on MacOS it shows my local docker installation. Via the command line - i can use docker by first doing docker-machine env remote-mac How can I have kitematic use the machine too ? Anybody know, i checked…
Ian Gregson
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How to start an "Evicted" kube-proxy?

I want to install and configure Web UI (Dashboard):kubernetes-dashboard on my main Ubuntu 16.04.6 LTS (Xenial Xerus) server. I am getting an error and not able to proceed further as shown in the screenshot the kube-proxy node is "Evicted". Help me…
mn entityvibes
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Changes to volume in Dockerfile

I have following Dockerfile: FROM jenkins/jenkins:lts SHELL ["/bin/bash", "-c"] ENV PROJECT_NAME Jira ENV PROJECT_GIT_URL some_link_to_repo COPY plugins.txt /usr/share/jenkins/ref/plugins.txt COPY custom-template.groovy…
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docker-compose, nginx, gunicorn and SSL

I'm trying to set up a django project using SSL. I got it working without SSL but I'm clearly doing something wrong since https:// doesn't work and http:// just redirects to the main nginx site. Here's my docker-compose file: version:…
pnus
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How to fix “mbind: Operation not permitted” in mysql error log

I have a problem with my MySQL error log which currently mostly consists of "mbind: Operation not permitted" lines (see below). Why does it happen and how do I fix it? It's the "mostly" part that bothers me. As you can see below, not all lines are…
gamasexual
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Unable to send php7.3 fpm-alpine error logs to std within docker containers

I cannot get the php-fpm error logs appear in docker std. So far I've tried many suggestions but for some reason no progress at all. I am posting my whole setup so that someone could kindly help me to right direction. All I see is app_php_1 |…
BentCoder
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Forward traffic on same interface

I am operating a server hosting a set of services, each run in a separate Docker container. In addition, there is a KVM running pfSense acting as firewall. The firewall has a physical interface that is connected to the external network and a virtual…
Lars
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iptables rules for dockerized prometheus stack and swarm

OS: ubuntu Everything runns in containers (run via docker stack deploy) 2 servers running separate swarm server - running grafana + prometheus (ip 1.1.1.1) server - running node_exporter + cadvisor (ip 2.2.2.2) Need to setup IPTABLES: On 1st…
Palino1611
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Helm Chart loads default Laravel instead of real site

I have set up my project to use this package for Kubernetes/Helm on Laravel application: https://github.com/richdynamix/arc When I run docker-compose up I get the real project I have been working on, but when I install Helm at tools/helm-chart…
plexcell
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How can I have multiple IP addresses on a kubernetes node and then source NAT a specific service / pod to a specific IP address?

I have a kubernetes node that is set up with multiple IP addresses (it happens to be a bare-metal node, and the hardware has multiple NICs, one of the NICs has multiple IP addresses assigned - but this could be a VM node with multiple virtual…
Tom Bull
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Create custom sub-command for Docker

For Git user can create alias git config --global alias.co checkout git co master If Git cannot find build-in subcommand it looks for git-SUBCOMMAND executable in PATH echo -e '!/bin/bash\necho I love Git' >/usr/local/bin/git-love chmod +x…
kyb
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Docker Storage in AWS. S3, EBS or EFS

I have just moved companies and I am building a new docker swarm on aws. In my last organisation everything was on premises. I am trying to understand my options for persistent volumes, and see that rexray now offer docker certified plugins for all…
Mark Jones
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NGINX use root directive in if-clause

I´ve got an NGINX docker container which receives requests at port 8089 (Reverse proxied by an NGINX on my main system). It should then retrieve the $host variable to determine the correct root directory to serve. In my error log, NGINX is…
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