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Questions tagged [docker]

Docker images, containers, hub, and everything related to the containerization platform

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1answer
14 views

Build Docker Images with Ansible + Vagrant

So I am working on a research project and I am trying to automatically generate specific environments on different virtualization techniques. So, first I made a Vagrantfile that pulls an Ubuntu ...
0
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1answer
16 views

How to find the PHP version that is used by the latest `phpdoc/phpdoc` docker image?

How do I get php version used by docker image phpdoc/phpdoc?
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0answers
20 views

Unable to get Helm to work with ECR

I'm using Helm v3 with AWS ECR on a Kubernetes cluster that was creating using Kops. I have checked and the role kops assigned to the nodes does have ECR permissions. When I deploy my helm chart I ...
0
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1answer
20 views

Dev environment for legacy Visual Studio code?

I work at a small company that has several legacy projects that all require different versions of visual studio to run. The company has servers on site and I have a small cloud budget. I want to set ...
1
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2answers
28 views

Jenkins and docker login issue

I am trying to create a Jenkins pipeline that will pull a public image from docker hub and build a Vue.js application inside that container. In my Jenkins server I already have other pipelines that ...
2
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3answers
61 views

How to get the next friendly name that Docker will assign to the container it will make?

Background When you start a Docker container as in the following example: $ docker run -ti ubuntu:latest Docker docker automatically assigns the container an ID and a friendly name. Docker ...
4
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1answer
70 views

What are the implications for Docker Community Edition of the Docker acquisition by Mirantis?

November 13, 2019, Mirantis Acquires Docker Enterprise Platform Business. The same day, Docker Inc. claims they will now focus on docker Desktop and Docker Hub. Given those changes, will Docker CE ...
2
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1answer
30 views

Docker swarm container monitoring

I have been on a typical journey of: deploying software on a machine deploying software in a container deploying software using docker swarm The need for this journey is that swarm removes a large ...
0
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1answer
45 views

Kubernetes installation, configuration and verification in a local environment

I am a regular user of Docker since a few years and I have the Docker service installed and running locally on my Win10Pro host. It works well. Now I want to get started with Kubernetes so I used the ...
0
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2answers
17 views

Issue pushing to ECR using Jenkins

I'm trying to push an image to ECR via a Jenkins pipeline. Currently I have the ECR plugin installed, and a role assigned to my EC2 instance that allows ECR access. I am using correct credentials ...
0
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0answers
14 views

Dockerized System Tests slowing down build time [closed]

We are using Dockerized system tests. The tests start up multiple docker containers like a DB server, ApplicationX & ApplicationY which work together to form a system test case. The amount of ...
2
votes
1answer
31 views

What's the relationship between ContainerD and Docker?

I'm aware that Kubernetes uses containerd internally and that containerd is part of Docker. Does that mean that Kubernetes only uses certain parts of Docker to provide orchestration of containers? ...
2
votes
2answers
28 views

Jenkins triggered by multiple git repos

I've been looking around to see how to have ~10 different repos all on a git push trigger a single pipeline that does pretty much the same exact thing - build a docker image -except that the different ...
1
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1answer
29 views

Are 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 ...
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0answers
4 views

How can I configure a health check for a Worpdress Docker service in Traefik 2 (file provider)?

I have a Docker service running a Wordpress site inside. I need to configure a healtch check in Traefik 2 (set up through a file provider). I tried: services: site: loadBalancer: ...
0
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1answer
45 views

Jenkins does not seem to be running inside a container

I am getting an error while running the Jenkins file tp build and push the docker image into docker hub . you can reveiw my code github : https://github.com/iakshaykr/webapp.git (using jenkins_pipe ...
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0answers
8 views

How can I configure traefik running standalone (not as a docker service) to user docker as a provider? How do I configure a service?

I have an intranet stack defined by the following docker-compose.yml file: version: '3.7' services: wordpress: image: intranet restart: always volumes: - type: bind ...
2
votes
1answer
52 views

EKS node cannot pull docker image from ECR: “no basic auth credentials”

Using the eksctl tool, I created an EKS cluster with 5 nodes. My application's docker images are stored in ECR registries in the same region. I deployed my kubernetes cluster and everything has been ...
3
votes
1answer
34 views

Combining CD and GitFlow

Firstly, I apologize if the title is not descriptive enough or does not describe my problem well enough. I'm struggling to figure out how to describe my issue in brief! It really seems like this ...
1
vote
1answer
15 views

How to enable tag immutability in quay.io?

Elastic Container Registry (ECR) for example supports Tag Immutability (TI). TI implies that docker tags cannot be overwritten if they exist in a docker-registry. The settings of the organization and ...
1
vote
1answer
24 views

What docker command could be issued to check whether a certain local docker image resides in a docker registry?

The docker help was consulted: Usage: docker [OPTIONS] COMMAND A self-sufficient runtime for containers Options: --config string Location of client config files (default "/home/ben/....
3
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3answers
64 views

Does every docker container has a a OS?

Does every container have an OS? For example, the base docker python image has a default OS in it? I couldn't find any info on Google. I am in doubt because there are some images made with Python ...
0
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1answer
22 views

How to create slave jenkins given master jenkins?

Below code snippet, taken from here creates master jenkins that runs in a container: # Create Docker Group with GID # Set default value of 497 if DOCKER_GID set to blank string by Docker Compose RUN ...
1
vote
1answer
26 views

Why apt command stuck with Waiting for headers in docker?

I have an Ubuntu 19.04 based docker container: docker run -d -v /home/adr:/root/adr -p 880:80 --name ubuntu-19.04-nginx ubuntu:19.04 tail -F /var/log/alternatives.log on which I compiled an nginx ...
1
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2answers
20 views

docker hub repo [closed]

I have created a repo on my docker hub account. While trying to download it it shows errors. I have tried the following commands: docker id saurabhgore65 docker pull <saurabhgore65>/subash ...
1
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0answers
15 views

Issue connecting to Consul from inside container

I'm working on Dockerizing some applications and currently Consul runs locally on my laptop but eventually will be on Kubernetes. I have a Node.js application that even though I can connect and ...
0
votes
1answer
30 views

How to incorporate containers into a standardized dev environment? [closed]

I'm currently working at a small company where we've had a lot of issues being on the same page with entity framework migrations and local databases. I want to start incorporating containers in hopes ...
1
vote
1answer
42 views

How to setup Docker mirror proxy Repository in Nexus Repository ManagerOSS 3.19.1-01?

So, We are going to setup local proxy repository. Which directs to further docker hub and our another remote Docker Hosted repository hosted on different location.Which is requested through Docker(...
3
votes
1answer
25 views

Adding default external network in docker-compose

I am trying to learn docker and understanding docker-compose As I was trying out the external network section: networks: default: external: name: my-pre-existing-network I understand ...
0
votes
0answers
6 views

Docker for windows loop on network shares even though they are not mounted on docker UI

After setting up docker for Windows on Windows 10 with a 2 partitions disk (C and D drive), when enabling local volume mount (checking D drive in UI), user is asked about his credentials to scan ...
1
vote
1answer
22 views

kubernetes allocating pods with the wrong IP

I'm running kubernetes with the supposed pod network cidr of 10.244.0.0/16. Everything seems to agree with that: # history | grep kubeadm kubeadm init --control-plane-endpoint "guide:6443" --upload-...
2
votes
1answer
26 views

Accessing AWS Secrets Manager from Docker

All the tutorials I've seen for AWS Secrets Manager have secrets being retrieved by the CLI. How is this done in production? Can I mount a set of secrets to a docker container as a file?
1
vote
1answer
26 views

What is docker? what problems does it solve? [closed]

I'm a jr. developer and I'm being required to learn docker. I googled around and read a bunch of articles about docker but couldn't really understand what it was for, what problem does it solve. ...
0
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0answers
12 views

How to deploy docker swarm to external VDS using local Gitlab?

We have a local, not visible in the Web Gitlab instance and trying to deploy Docker Swarm app. Almost every manual regarding Gitlab CI and Docker specify images like this: registry.gitlab.com/some/...
1
vote
1answer
40 views

Gitlab runner, docker registry and self-signed certs

I've set up a Gitlab registry with self-signed certificate. After that I had to convince docker app to trust my CA, I did this by putting CA.crt into /etc/docker/certs.d/registry.gitlab.yourdomain:...
1
vote
1answer
30 views

Why does my Docker composer not work with volume?

I'm trying to create a volume to be shared among the containers, and this volume binds to a location of my host, the problem is that every time I run the docker-compose up gives the following error: ...
2
votes
1answer
35 views

Container for every user

Please help me here based on your experiences. We have launched a desktop application where users can download all their online data from several platforms at one place. Our motto is to provide users ...
-1
votes
1answer
17 views

How to find the Linux distro used as the basis for an official docker image?

I already think I understand that docker containers "share" the same Linux kernel running on their host. But inside a particular docker container, the software stack could be a distro debian, alpine, ...
5
votes
2answers
296 views

Why does Docker hub allow non-official Docker images and why do they exist?

Note: also posted in Security StackExchange as there is a security aspect to this question (sorry for cross-posting). I'm evaluating Docker images for my development and production setups. When I ...
2
votes
1answer
32 views

What is the difference between php-cli and php-fpm, why 2 php variants and why choose one or the other?

Looking at https://hub.docker.com/_/php I can see reference to php-cli and php-fpm. Now, I am aware of the concepts of PHP FPM - Fast CGI Process Manager. I'm also aware the PHP can be run in the ...
2
votes
1answer
32 views

Tunnel docker traffic though VPN or SSH, during build stage

Well, the title says all. I have no success trying to route docker's network traffic through an active VPN connection (openconnect) or SSH tunnel (sshuttle). Docker creates a virtual network interface ...
0
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0answers
16 views

What is the right way to manage app configuration for java spring apps running in AWS and kubernetes?

I'm facing several problems related to application configurations Public and Private API almost every service public and private API. Public API is available from external network and covered with ...
2
votes
0answers
14 views

Can you use docker-machine from Bitbucket Pipelines?

I have some servers where I have nginx installed on the base system in reverse proxy mode, and then use Docker deployments to push out containers where just the local HTTP port is exposed. We don't ...
2
votes
1answer
61 views

Deploying software that depends on a virtual machine using Docker

About I am developing a piece of software which consists of a Node.js application which controls a virtual machine that runs Android-x86. Also there are some pieces of the Android SDK like ADB the ...
2
votes
1answer
16 views

Multiple Microservices in CI environment

hey we have a GitLab stage and inside that we need to start an environment with several containers we pull from a local registry. We use compose and a docker in docker solution for that at the moment....
2
votes
0answers
12 views

Issue building deb package using Docker/Windows

I am trying to create a way for our developers to be able to build deb packages from their Windows machines. We would like to reuse what we have for *nix so I've written a few batch scripts which are ...
3
votes
1answer
18 views

Provisioning a server on behalf of a user on GCP/AWS/Azure and probably relinquish access

I'd like to build a service where I run a custom setup script on behalf of a user on an t2.micro equivalent instance but be able to probably relinquish access to the server. Any advice on the tech ...
2
votes
0answers
11 views

Access private DockerHub repo in Docker Swarm

I am trying to deploy a docker swarm using Digital Ocean's docker-machine driver. This is currently a single node that contains several public DockerHub images, and one private. I am having ...
0
votes
0answers
17 views

Access RabbitMQ on Host machine from Vagrant Box

I have 2 apps running inside vagrant boxes and RabbitMQ running on Host Machine. Vagrant box network is private_network. RabbitMQ : 127.0.0.1:15672 (docker file) Vagrant Box 1: 192.168.33.116 Vagrant ...
1
vote
1answer
28 views

How to bring a docker data container to Kubernetes?

I have an application that relies on 4 docker data containers for the data it needs to run some tests. At the moment I have their docker-compose file and their images but I don't have access to the ...