DUKERSPACE

Docker

Build image

docker build -t ${IMAGE}:${VERSION} ${LOCATION}

docker build -t hub.dezenter.org/dezenter/web:0.1.0 .

tag image to private registry

  • docker image tag <local_image:tag> /<host_image:tag>
docker image tag dezenter/air:0.1.0 hub.dezenter.org/dezenter/air:0.1.0

  • docker (hub) image push /<project_name>:<tag_version>
  • docker (private) image push //<project_name>:<tag_version>
docker image push hub.dezenter.org/dezenter/air:0.1.0

run image

docker run --publish 8080:8080 --detach --name bb -t bulletinboard:1.0

use command

  • docker exec -it <container_name> 
docker exec -it docker_test bash

copy

docker cp

  • host to container <container_name>:/<to_path>
docker cp rabbitmqadmin docker_rabbitmq_1:/usr/local/bin
  • container to host <container_name>:// <to_path>
docker cp jenkins:/var/jenkins_home/secrets/initialAdminPassword C:/Users/tdcm025

remove file

  • docker exec rm -rf 
docker exec docker_rabbitmq_1 rm -rf rmq-setup.sh

remove volume data

  • docker volume ls
  • docker volume rm 
docker volume rm docker_rabbitmq-data
  • ex remove all volume
docker volume rm `docker volume ls -q -f dangling=true`
  • removing only unused volumes:
docker volume prune

image prune

-remove none used

docker image prune

remove all images

docker images -q | xargs docker rmi -f

docker image ls -q | xargs -I {} docker image rm -f {}

container

  • remove none used container
docker container prune

check disk

docker system df

remove build cache

docker builder prune
docker builder prune -a

Docker Compose

  • This removes all the containers
docker compose down -v --rmi all

Build image

version 3
  • links: ผูก service เข้าด้วยกัน รูปแบบ Sevice name:Alias name
  • depens_on: start service หลังจาก service ที่อยู่ depend on เริ่มต้นการทำงานเสร็จแล้ว

run

  • docker compose run -d --build
docker compose -f docker compose-production.yml up -d

build

  • docker compose build

exec

  • docker compose exec -it bash

.env

  • ใน environment ใช้ $$ => ex: VAR=$${VARS}

link

--remove-orphans

permission docker

sudo chmod 666 /var/run/docker.sock

docker postgres dump db

  • docker-compose exec {service_name} pg_dumpall -U {postgres_user} > dump.sql
docker-compose exec postgres pg_dumpall -U root > dump.sql