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 maintenance
How can I delete all local Docker images? - Stack Overflow 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 stop to get rid of my experiments I now have a large number of unneeded docker images locally Is there a flag I can run to delete all the local docker images containers?
Docker: adding a file from a parent directory - Stack Overflow Instruct Docker to set context: to the parent folder For example if you have a Documents parent folder with ssl and my-proj subfolders you could instruct Docker to copy ssl files to the container like this:
docker - What is the difference between the COPY and ADD commands . . . Docker released an official document outlining best practices for writing Dockerfiles, which explicitly advises against using the ADD command Docker’s official documentation notes that COPY should always be the go-to instruction as it is more transparent than ADD
Docker Error bind: address already in use - Stack Overflow In that case docker ps was very helpful as often I left the same containers running in other directories and then tried running again at other places, where same container names were used How docker ps helped me: docker rm -f $(docker ps -aq) is a short command which I use to remove all containers Edit: Added how docker ps helped me
How is Docker different from a virtual machine? - Stack Overflow I keep rereading the Docker documentation to try to understand the difference between Docker and a full VM How does it manage to provide a full filesystem, isolated networking environment, etc wi