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dnlsyfq / docker_note

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MacOS

docker version
docker info
docker --version
docker-compose --version

docker login

docker run hello-world
  • see all available docker images
docker images
  • see docker running
docker ps
  • find image in docker hub image
https://hub.docker.com/search?q=docker%20airflow&type=image&page=2
https://hub.docker.com/r/puckel/docker-airflow
docker pull puckel/docker-airflow
docker run -d -p 8080:8080 puckel/docker-airflow webserver
docker ps

docker build -t <name> .
docker images
docker run -d -p 5000:5000 <name>
docker ps
docker tag python-helloworld dnlsfq/python-helloworld:v1.0.0
docker push dnlsfq/python-helloworld:v1.0.0
  • dir
Dockerfile
app.py
requirements.txt
test_with_pytest.py
  • Dockerfile
FROM python:3.8
LABEL maintainer="Katie Gamanji"

COPY . /app
WORKDIR /app
RUN pip install -r requirements.txt

# command to run on container start
CMD [ "python", "app.py" ]

Linux distro

systemctl status docker
systemctl stop docker
systemctl start docker
  • starting up
sudo dockerd

Windows

docker run --name repo alpine/git clone https://github.com/docker/getting-started.git
docker cp repo:/git/getting-started/ .
cd getting-started
docker build -t docker101tutorial .
docker run -d -p 80:80 --name docker-tutorial docker101tutorial
docker tag docker101tutorial dnlsfq/docker101tutorial
docker push dnlsfq/dockertutorial

docker with download image

search image at docker hub
docker run --name some-mysql -e MYSQL_ROOT_PASSWORD=<PASSWORD> -d mysql:Tag
docker start some-mysql
docker ps

docker run -p 3307:3306 --name my-mysql -e MYSQL_ROOT_PASSWORD=<PASSWORD> -d mysql/mysql-server:5.7
docker exec -it my-mysql /bin/bash

mysql -uroot -p -P3307 -h127.0.0.1

docker run -d --name mysqldb -p 3306:3306 -e MYSQL_ROOT_PASSWORD=<PASSWORD> mysql:latest
docker ps
docker stop

docker with build image

docker image build -t dnlsfq/gsd:first-ctr . 
docker image ls
docker image push dnlsfq/gsd:first-ctr
docker image rm dnlsfq/gsd:first-ctr
docker container run -d --name web -p 8000:8080 dnlsfq/gsd:first-ctr
docker container ls
docker container stop web
docker container start web
docker container rm web

docker with yml

docker-compose.yml
docker-compose up

docker-compose -f docker-compose-LocalExecutor.yml up -d

docker ignore file

file that dont want to include in the container

.dockerignore

node_modules
npm-debug.log

docker file

create an image based on instructions

Dockerfile

docker create image

docker build -t <name> .
docker build -t algofields/simple-backend .

docker see all images

docker images

docker delete images

docker rmi <4 char image id>
docker rmi <4 char image id>-f

docker run container from image

docker run  -p <port number>:<port number> <image name>
docker run -p 4000:4000 algofields/simple-backend

docker see container

docker ps

docker stop container

docker stop <docker container id>

push image to docker hub

docker push 
docker pull

docker compose

manage multiple containers

create docker compose

docker-compose.yml

docker file sharing

windows 10 disable wsl2 option in docker

C:\Users\<name>\AppData\Roaming\Docker\<settings.json>

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