Docker - Launching a container with an Ubuntu image and useful commands

17.03.2022 | 736 | SQL

Getting and starting the first image and a set of useful commands for working with Docker.

Replace NAME with your name for the container being created.
Installation:

sudo apt install docker docker-compose # install docker & compose
docker pull ubuntu # Download Ubuntu image

Create a new Ubuntu container with mounting the directory to the local:

docker run -it --name NAME --mount type=bind,source=/mnt,target=/var/www ubuntu bash

Create a container for web tests:

docker-compose up -d nginx mysql

View container data:

docker inspect NAME

View the list of running containers:

docker ps

View a list of all created containers:

docker ps -a

Run bash in a container:

docker exec -it NAME /bin/bash

Exporting a container with compression:

docker export NAME | gzip > NAME.gz

Importing a container from an archive:

zcat NAME.gz | docker import - NAME

Delete a container:

docker container rm test

Pull the file out of the container for editing:

docker cp laradock_nginx_1:/etc/nginx/sites-available/symfony.conf .
docker cp symfony.conf laradock_nginx_1:/etc/nginx/sites-available/symfony.conf

Stop, delete all containers:

docker stop $(docker ps -a -q)
docker rm $(docker ps -a -q)

MySQL dump creation from a running container

docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

MySQL dump loading into the database in a running container

cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root

DATABASE


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