Questions tagged as 'docker'

Tagged questions
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Problem installing image docker

I am installing an image of the container: microsoft / windowsservercore I'm using the following command to download and install the image: docker pull microsoft/windowsservercore However, it does not finish the installation. After a few...
asked by 05.07.2018 / 19:14
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apache / nifi docker and postgresql Driver

I did the apache / nifi pull in the docker hub. Start the container, but I can not configure the connection to postgres, It throws an exception that it can not load the Database Driver. I copied the .jar file from the postgresql driver into t...
asked by 21.06.2018 / 15:36
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How to make a Docker image of a Node app that uses private repo that requires ssh

Following this guide from the Node.js site to create a Docker image for a Node application, everything succeeds except when you have a private repository for a certain npm package, like the following package.json snippet: "dependencies": {...
asked by 01.12.2017 / 02:12
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What better approach in docker than containers like apache, nginx, mariadb, etc.

I'm new to the docker world and I have some doubts about the docker concept in production. I know that one of the great advantages of docker is to have the same environment that we have in development in production so as to avoid those classi...
asked by 13.01.2018 / 20:18
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What steps to create a Docker image for Ubuntu 16:04, php 5.6 and apache (with Composer, xdebug, phpunit, npm and REDIS)?

I am a beginner in Docker and am trying to create an image with the following specifications: The source OS has to be the original Ubuntu 16.04. I can not use images already available in the docker hub; You must have installed apache - lat...
asked by 18.09.2017 / 21:43
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Docker Compose Link

I'm using Docker Compose to upload a set of three "Selenium Grid" containers: selenium-hub: image: selenium/hub container_name: selenium-hub ports: - 4444:4444 nodeff: image: selenium/node-firefox ports: - 5900 links:...
asked by 06.10.2017 / 14:58
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Doubt as to the marking "volumes" inside docker-compose.yml

The docker-compose.yml below was taken from the docker documentation itself. My question is: why in the db container do we have the volume reference and at the end of the file the same reference is repeated? What does it mean? version: '3' se...
asked by 08.10.2017 / 04:43
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Docker push - Send the image to the Docker Hub

Alright? Can anyone help me with the following problem? First I logged in to Docker by running the command: $ docker login It includes the registered user and password, however I'm having problems sending an image to the Docker Hub. W...
asked by 05.12.2018 / 02:44
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When we generate a docker container, are we lifting a linux virtual machine in the background?

Is a container necessarily attached to a virtual machine, or is it independent?     
asked by 11.06.2018 / 19:24
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What is the meaning and usage of volume in Dockerfile?

In a Dockerfile file, what is the meaning of the statement: VOLUME /arquivos I imagine this creates a volume, but how is it used and what is its real meaning?     
asked by 27.03.2018 / 04:01