● Run a container from an image
sudo docker node ls
ID HOSTNAME STATUS AVAILABILITY MANAGER STATUS ENGINE VERSION
kj7q08sfk4ojxq9cq9ezejk78 ip-172-31-0-113 Ready Active 19.03.12
64z9yjpcsg3wu0yivbxfjkasd ip-172-31-8-58 Ready Active 19.03.12
o4adqybqntezkuluy709304os * ip-172-31-15-10 Ready Active Leader 19.03.12
sudo docker pull nginx:latest
latest: Pulling from library/nginx
Digest: sha256:2bcabc23b45489fb0885d69a06ba1d648aeda973fae7bb981bafbb884165e514
Status: Downloaded newer image for nginx:latest
docker.io/library/nginx:latest
sudo docker container run -d --name nginx_container nginx:latest
9349a25019d034c55ce3799074e374b9b240c3bcd166f249be22812aa18e1065
sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9349a25019d0 nginx:latest "/docker-entrypoint.…" 13 seconds ago Up 13 seconds 80/tcp nginx_container
● Run the nginx image as a service
sudo docker service create --name nginx_service --replicas 4 nginx:latest
0b9jtz3ym6usfpnmfxwbpchrb
overall progress: 4 out of 4 tasks
1/4: running [==================================================>]
2/4: running [==================================================>]
3/4: running [==================================================>]
4/4: running [==================================================>]
verify: Service converged
sudo docker service ls
ID NAME MODE REPLICAS IMAGE
0b9jtz3ym6us nginx_service replicated 4/4 nginx:latest
sudo docker service ps nginx_service
ID NAME IMAGE NODE DESIRED STATE CURRENT STATE
y698n1gu7fd0 nginx_service.1 nginx:latest ip-172-31-8-58 Running Running 46 seconds ago
r6oxzpox59i7 nginx_service.2 nginx:latest ip-172-31-8-58 Running Running 46 seconds ago
ivk9avvwyz15 nginx_service.3 nginx:latest ip-172-31-0-113 Running Running 46 seconds ago
uikez3rxo22x nginx_service.4 nginx:latest ip-172-31-15-10 Running Running 46 seconds ago
sudo docker service rm nginx_service
nginx_service
sudo docker rmi nginx:latest --force
Untagged: nginx:latest
Untagged: nginx@sha256:2bcabc23b45489fb0885d69a06ba1d648aeda973fae7bb981bafbb884165e514
Deleted: sha256:0e901e68141fd02f237cf63eb842529f8a9500636a9419e3cf4fb986b8fe3d5d
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