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  1. How do I pass environment variables to Docker containers?

    There are several ways to pass environment variables to the container including using docker-compose (best choice if possible). I recommend using an env file for easier organization and …

  2. What does --network=host option in Docker command really do?

    Apr 10, 2017 · As an example if I run a webapp deployed via a docker image in port 8080 by using option -p 8080:8080 in docker run command, I know I will have to access it on 8080 port …

  3. What is docker run -it flag? - Stack Overflow

    Jan 21, 2018 · 73 docker run -it ubuntu:xenial /bin/bash starts the container in the interactive mode (hence -it flag) that allows you to interact with /bin/bash of the container. That means …

  4. Run a Docker image as a container - Stack Overflow

    Aug 28, 2013 · After building a Docker image from a dockerfile, I see the image was built successfully, but what do I do with it? Shouldn't i be able to run it as a container?

  5. Understanding docker run -v command - Stack Overflow

    I was just going through this tutorial on Youtube, trying to understand the use of the -v option at the run command. Why is the author using the -v option? He uses the command, like so: …

  6. How do I run a docker instance from a DockerFile?

    Mar 18, 2016 · Docker image naming restrictions can be found here. docker build --tag 'image_name' . This will give you an image on your local machine that you can create a …

  7. Why won't Docker Desktop Start [closed] - Stack Overflow

    Jul 23, 2022 · I am trying to install Docker Desktop for Windows and once I have completed the entire process as mentioned in their official documentation, including installing and enabling …

  8. docker - Correct way to detach from a container without stopping …

    In Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it? So for example, if I try: docker run -i -t foo /bin/bash or docker attach foo (for already running

  9. Docker: adding a file from a parent directory - Stack Overflow

    675 cd to your parent directory instead build the image from the parent directory, specifying the path to your Dockerfile docker build -t <some tag> -f <dir/dir/Dockerfile> . In this case, the …

  10. "docker pull" certificate signed by unknown authority

    After doing the steps above I got rid of x509: certificate signed by unknown authority but then I got 401 Unauthorized errors. To solve I needed to docker login <docker registry>