Can Docker plugins inspect label metadata from starting image?

I’m asking if it’s possible to have a docker volume plugin inspect a starting image’s label metadata in order to take some additional action? I’d like to see said action include mounting a device, but I’m not sure if such is yet possible with a driver plugin, nor have I seen any mention of say […]

Api command for tree structure of docker images

Is there any docker api command available to get the tree structure in json format. In docker cli docker images –tree will gave tree structure of docker images.

JAVA 6 Docker client

I’m looking for a way to orchestrate Docker containers using JAVA 6. So I have the Docker images ready but I want to be able to start and stop and interact with them but I am limited to JAVA 6. All the JAVA client libraries I’ve found so far instead of JAVA 7, but I […]

Can I configure Poltergeist/Capybara to point at PhantomJS in a Docker container?

If I have the PhantomJS Docker container running, is it possible to use Poltergeist to run the tests against this container, using it as a remote PhantomJS server?

How to check the status of an image using docker-java library

I am trying to check if the image is running or not using the docker-Java library(https://github.com/docker-java/docker-java). I can get the list of all running images using the following List<Container> containers = dockerClient.listContainersCmd().exec(); Is there a way to check the status of the image if its running or not using the docker-java library?

Docker freezes even in a small setup

I am trying to set up a little test-environment with Docker. Using a container running Jenkins and 3 other containers running PostgreSQL, Apache Web-Server and WildFly Application-Server. It was all looking good and I was setting up the container just like I needed them. Then I made some changes to the IP-Tables on the Docker […]

x509 certificate signed by unknown authority- Kubernetes

I am configuring Kubernetes cluster with 2 nodes in coreos as described in https://coreos.com/kubernetes/docs/latest/getting-started.html without flannel. Both servers are in same network. But I am getting: x509: certificate signed by unknown authority (possibly because of “crypto/rsa: verification error” while trying to verify candidate authority certificate “kube-ca”) while running kubelet in worker. I configured the TLS […]

iptables rules break communication between Docker containers

nginx-proxy is a Docker container that acts as a reverse proxy to other containers. It uses the Docker API to detect other containers and automatically proxies traffic to them. I have a simple nginx-proxy setup: (where subdomain.example.com is replaced with my domain) docker run -d -p 80:80 -v /var/run/docker.sock:/tmp/docker.sock:ro jwilder/nginx-proxy docker run -e VIRTUAL_HOST=subdomain.example.com kdelfour/cloud9-docker […]

Jmeter and Docker

I saw some blog posts where people talk about JMeter and Docker. I understand that Docker will be helpful for setting up a container with all the dependencies. But they all run/create the containers in the same host. So ideally all the containers will share the host resources. It is like you run multiple instances […]

Docker build just freezes?

docker build -t {name}/ruby-test . Sending build context to Docker daemon 13.23 MB Step 0 : FROM ruby:2.2.2 When I run the docker build command above it gets as far as you see.. and never continues. Not sure why or what to do about it. Thoughts?

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