Commands should be runned in: /simple_container folder.
- Create image from Dockerfile, assign tag -
docker build -t react:app . - View all images -
docker images - Run container on port 3000 -
docker run -it -p 3000:3000 react:app - View all running containers -
docker ps - Stop container -
docker stop <container ID> - Remove container -
docker rm <container ID>
- Image - immutable file, snapshot, basis of container. Can contain layers of other images. "Class" in programming sense.
- Container - runtime instance of a "class".
- Tag - label applied to Docker image in repository to distinguish it from other images.
Commands should be runned in: /multi_container folder.
- Build multi-containers from docker-compose.yml file -
docker-compose build - Run multi-containers from docker-compose.yml file -
docker-compose up - View all running containers -
docker ps - Login to created MongoDB container through bash entrypoint -
docker exec -it <container ID> /bin/bash - Run mongo shell -
mongo - Show all databases -
show dbs - Switch to admin database -
use admin - Show database collections -
show collections - Look all objects of users collection -
db.users.find({}) - View created volume -
docker volume ls - Inspect volume -
docker volume inspect <volume NAME>
Commands should be runned in: /service_stack folder.
- Login into Docker -
docker login - Tag image for repository -
docker tag <image NAME> gregorianisch/stagnation:service_stack - Push image to repository -
docker push gregorianisch/stagnation:service_stack
Commands should be runned in: /service_stack folder.
- Enable swarm mode -
docker swarm init - Deploy service stack from docker-compose.yml file -
docker stack deploy -c docker-compose.yml service_example - View services list -
docker service ls - View tasks (replicas) of web service -
docker service ps service_example_web - Take stack down -
docker stack rm service_example - Leave swarm mode -
docker swarm leave --force
- Service - group of containers, which share same image:tag
- Swarm - cluster of Docker engines running in swarm mode, which allows to deploy and orchestrate services collectively.
- Stack - group of interrelated services that share dependencies, can be scaled together.
- Run container in detached mode -
docker run -d -it -p 3000:3000 react:app - Remove all containers -
docker rm $(docker ps -a -q) - Remove all images -
docker rmi $(docker image ls -a -q) - Remove volumes -
docker volume rm $(docker volume ls -qf dangling=true)