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 …

Feb 24, 2018 · From the official Docker documentation "Manage Docker as a non-root user": ⚠️ Warning The docker group grants root-level privileges to the user. For details on how this …

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 …

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: …

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?

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 …

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 …

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>

I'm trying to set environment variables in docker container during the build but without success. Setting them when using run command works but I need to set them during the build. …

Jun 27, 2017 · Original close reason (s) were not resolved I recently started using Docker and never realized that I should use docker-compose down instead of ctrl-c or docker-compose …