docker
list docker commands
docker container --help
list container commands
docker --version
short info about version
docker version
full info about version
docker info
full info about docker
docker image ls
view images
docker container ls
view runned containers (depreciated docker ps
)
docker container ls -a
view all containers (depreciated docker ps -a
)
docker container ls -q
view only id of containers
docker network ls
view networks
docker volume ls
view volume
sudo docker exec -it your-name-container bash
connect to your-name-container
docker pull [name]
download image from Docker register
docker build -t [name]
build image from dockerfile and set name [name]
docker logs -follow [name]
realtime monitoring for container
docker run [name]
run image
docker run -it [name] sh
run with interaction mode (shell)
docker run -d [name]
run with detached mode (unbind terminal from runed container)
docker run -p 8080:80 [name]
run with map container port (80) to public port (8080)
docker run -d --restart always --name your-container-name -p 8080:80 -v /var/www/html:/usr/share/nginx/html [name]
run with map container port (80) to public port (8080) and with auto restart after down and with bind container directory /usr/share/nginx/html to public directory /var/www/html
docker stop [name]
stop container
docker stop $(docker ps -a -q)
stop all containers
docker rm [ID]
remove container with [ID]
docker rm $(docker ps -a -q -f status=exited)
remove all container with status exited
Example docker-compose.yml
for postgree:
version: "3.9"
services:
postgres:
image: postgres:14.1
environment:
POSTGRES_DB: "userdb"
POSTGRES_USER: "userdb"
POSTGRES_PASSWORD: "userdb"
PGDATA: "/var/lib/postgresql/data/pgdata"
volumes:
- ../2. Init Database:/docker-entrypoint-initdb.d
- .:/var/lib/postgresql/data
ports:
- "5432:5432"
Example docker-compose.yml
for python scripts run:
version: "3.9"
services:
app1:
image: my-python
command: /usr/local/bin/python3 /dist/app.py
restart: always
volumes:
- "./app1/:/dist"
app2:
image: my-python
command: /usr/local/bin/python3 /dist/app.py
restart: always
volumes:
- "./app2/:/dist"
Commands:
docker-compose version
view version
docker-compose up
start project
docker-compose down
stop project
docker-compose logs -f
view logs