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title	updated	created
commands	2021-11-20 17:25:07Z	2021-05-04 14:58:11Z

Docker

remove all stopped containers

docker rm $(docker ps -a -q)

list and remove images

docker images
docker rmi $(docker images -a -q)

Docker lifecycle

docker create [OPTIONS] IMAGE [COMMAND] [ARG...] create but doesn't start
docker rename CONTAINER NEW_NAME
docker run [OPTIONS] IMAGE [COMMAND] [ARG...] run and create in one statement
docker rm docker image rm dd9acebe0b4d
docker update update configuration of one or more containers

docker logs -f

docker ipaddress or running container

docker inspect | grep '"IPAddress"' | head -n 1

three basic commands

docker images <ls>
docker container <ls> <-a>
docker run <name>

run tensorflow and jupyter at port 8888

docker run --rm -v $(pwd):/tf/convolutional -it -p 8888:8888 tensorflow/tensorflow:latest-jupyter

run iterative python program directly

docker run --rm -v $(pwd):/src --rm python:latest python /src/hello-world.py

run iterative python shell

docker run --rm -it -v $(pwd):/src --rm python:latest python

run bash inside python container

docker run --rm -it -v $(pwd):/src --rm python:latest /bin/bash

run a daemon with option -d

docker run --rm --name my-postgres -e POSTGRES_PASSWORD=qw12aap -d postgres:latest
docker exec -it my-postgres   psql -h localhost -U postgres -d postgres

docker files

FROM python:latest
RUN pip3 install numpy
CMD python3 /src/hello-world.py

docker networks

Usage: docker network COMMAND

Commands: connect Connect a container to a network create Create a network disconnect Disconnect a container from a network inspect Display detailed information on one or more networks ls List networks prune Remove all unused networks rm Remove one or more networks

docker network create net_1
docker run --rm -d --net net_1 --name my_py -v $(pwd):/src  python:latest python3 /src/run.py
docker run --rm -it --net net_1 alpine:latest /bin/bash

docker network create net_2
docker run --rm --name my-postgres --network net_2 -e POSTGRES_PASSWORD=qw12aap -d postgres:latest
docker run -it --rm --name my_postgre2 --network net_2  postgres:latest /bin/bash

inside: psql -U postgres -h my-postgres

Docker Compose

version: '3'
services:
     python:
             image: python:latest
             container_name: my_py
             volumes:
                     - .:/src
             command: python3 /src/run.py
             restart: always
     postgres:
             image: postgres:latest
             container_name: my_post
             environment:
                     - e POSTGRES_PASSWORD=qw12aap
             restart: always
     alpine:
             image: alpine:latest
             command: echo "hello from alpine"
             restart: always

How To Remove Docker Images, Containers, and Volumes

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