Docker Cheat Sheet

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May 19, 2021

7:23 pm

15 Comments on Docker Cheat Sheet

DevOps

docker --version
docker version

Dockerfile

FROM php:7-apache
COPY . /var/www/html
WORKDIR /var/www/html
#CMD php index.php
EXPOSE 80
docker build -t helloworldphp7 .

To run docker image

docker run -p 8080:80 -v /c/xampp/htdocs/dockerdemo:/var/www/html -d php:8-apache

OR

docker run -p 8080:80 --name docker-apache -v /c/xampp/htdocs/dockerdemo:/var/www/html:ro -d php:8-apache

OR

docker run -d -p 8080:8080 --name jsp-project -v /root/jsp/:/usr/local/tomcat/webapps/test tomcat:9.0.1-jre8-alpine

To run docker image in interactive mode

docker container run -it <docker-image> /bin/bash

To List all images

docker images
docker images -q

To List all container

docker ps
docker ps -a
docker ps -aq

To remove image

docker rmi imagename

OR

docker rmi $(docker images -aq)

To remove container

docker rm <container-name>

OR

docker rm $(docker ps -aq)

OR

docker rm -f $(docker ps -aq)

To stop container

docker stop <container-name>

OR

docker stop $(docker ps -aq)

To push local image on docker hub

First create repository in dockerhub like we used to create in gitlab/github

docker login
docker tag firstimage YOUR_DOCKERHUB_NAME/firstimage
docker images
docker push YOUR_DOCKERHUB_NAME/firstimage

Working with MySQL

docker pull mysql/mysql-server:latest

docker images
docker create -v /var/lib/mysql --name mysqldata mysql/mysql-server:latest
docker ps -a
docker run -p 3307:3307 -d -e MYSQL_ROOT_PASSWORD=root --volumes-from mysqldata --name=mysqldb1 mysql/mysql-server:latest
docker ps
docker exec -it mysqldb1 bash
mysql -uroot -p

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