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How to Pass Environment Variables to Docker Containers

How to Pass Environment Variables to Docker Containers

  • Post author:Nikolaus Oosterhof
  • Post published:August 19, 2023

When working with Docker containers, you’ll often want to pass configuration options and other data into containers via environment variables. There are several ways to inject environment variables into Docker containers both at build and run time. (more…)

Continue Reading How to Pass Environment Variables to Docker Containers
How to install and setup Docker on Linux/Ubuntu 18.04

How to install and setup Docker on Linux/Ubuntu 18.04

  • Post author:amin nahdy
  • Post published:June 9, 2023

Docker is an open source application similar to a virtual machine. It is used to simplify the process of automation of applications deployment with its runtime dependencies within Linux (more…)

Continue Reading How to install and setup Docker on Linux/Ubuntu 18.04
How to copy files from host to Docker container

How to copy files from host to Docker container

  • Post author:Nikolaus Oosterhof
  • Post published:August 9, 2021

To copy files from your current to a Docker container, follow the steps below. One given file can be copied using the cp command to the Docker container. This can be achieved using the command below: (more…)

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Fix:unable to prepare context: unable to evaluate symlinks in Dockerfile path

Fix:unable to prepare context: unable to evaluate symlinks in Dockerfile path

  • Post author:Marianne elanotta
  • Post published:January 8, 2021

Sometimes when the command below is run :

docker build -t thebuildimage . (more…)

Continue Reading Fix:unable to prepare context: unable to evaluate symlinks in Dockerfile path
How to clean up unused Docker containers, images and volumes

How to clean up unused Docker containers, images and volumes

  • Post author:amin nahdy
  • Post published:April 17, 2020

If you have been working with Docker for some time, it is likely that you may have accumulated a high number of images, data volumes as well as containers. If these are no longer used or needed they may consume (more…)

Continue Reading How to clean up unused Docker containers, images and volumes

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