Using the RUN instruction in a Dockerfile with 'source' does not work?

I have a Dockerfile that I am putting together to install a vanilla python environment (into which I will be install...

Zombie docker container that can't be killed?

I use docker-compose to create a bunch of containers and link them together. For some of the container definitions, ...

How to enable SCM polling with the Jenkins Pipeline plugin?

This is a question related to How to make SCM polling work with the Jenkins Workflow plugin. That thread answers how...

Openssl : error “self signed certificate in certificate chain”?

When I used openssl APIs to validate server certificate (self signed), I got following error : error 19 at 1 dep...

Deploy WAR in Tomcat on Kubernetes?

I need to create a Multibranch Jenkins job to deploy a .war file in Tomcat that should run on Kubernetes. Basically,...

How to unset “ENV” in dockerfile??

For some certain reasons, I have to set "http_proxy" and "https_proxy" ENV in my dockerfile. I would like to now uns...

How to copy folders to docker image from Dockerfile??

I tried the following command in my Dockerfile: COPY * / and got mighty surprised at the result. Seems the naive doc...

x509: certificate is valid for *.xyz.net, not docker.abc.xyz.net?

I am trying to login to a company's private docker repository. When I try to login with: docker login docker.abc.xy...

Docker Nginx stopped: [emerg] 1#1: host not found in upstream?

I am running docker-nginx on ECS server. My nginx service is suddenly stopped because the proxy_path of one of the s...

Using the RUN instruction in a Dockerfile with 'source' does not work?

I have a Dockerfile that I am putting together to install a vanilla python environment (into which I will be install...

Copying files from host to Docker container?

I am trying to build a backup and restore solution for the Docker containers that we work with. I have Docker base ...

Docker Compose does not allow to use local images?

The following command fails, trying to pull image from the Docker Hub: $ docker-compose up -d Pulling web-server (w...

docker base image with solaris operating system?

Does anybody know from where i can get docker base image with Solaris OS in it? I tried finding it on Dockerhub but...

How are docker and packer different? And which one should I prefer when provisioning images??

How is packer and docker different? Which one is easier/quickest to provision/maintain and why? What is the pros and...

docker error - 'name is already in use by container'?

Running the docker registry with below command always throws an error: dev:tmp me$ docker run \ -d --name regi...