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lesson 3 exercises #4

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lesson 3 exercises #4

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0e0b842
exercise 1 completed
alberto-goitia-llovo Nov 3, 2022
b3a1950
exercise 1 improved
alberto-goitia-llovo Nov 3, 2022
6af9543
exercise 2 completed
alberto-goitia-llovo Nov 3, 2022
58edf87
exercise 2 improved
alberto-goitia-llovo Nov 3, 2022
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21 changes: 10 additions & 11 deletions lesson_3/ex1_solution.md
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- Image Size:
- Container Name:
- Container ID:
- Exposed port:
- Postgres version:
- Data Volume (aka PGDATA):
- default entrypoint:
- default command:
- baseline consumption : CPU ___% MEM ___MB
- OS: Distro Version Codename (Ubuntu 22.04 jammy)
- Image Size: 377MB
- Container Name: postgres
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@hectorcanto hectorcanto Nov 8, 2022

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Ollo con nomear o contedor igual que unha imaxe. postgres pode ser interpretado como a imaxe "postgres:latest"

- Container ID: 651d95b481aa
- Exposed port: 5432
- Postgres version: 15.0-1.pgdg110+1
- Data Volume (aka PGDATA): /var/lib/postgresql/data
- default entrypoint: docker-entrypoint.sh
- default command: postgres
- baseline consumption : CPU 0% MEM 31.44MB
- OS: Debian GNU/Linux 11 (bullseye)
7 changes: 6 additions & 1 deletion lesson_3/ex1_solution.sh
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docker pull
docker pull postgres:latest
docker image ls
docker inspect postgres:latest
docker run -d -e POSTGRES_PASSWORD='password' postgres:latest
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@hectorcanto hectorcanto Nov 8, 2022

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sempre recomendo usar nomes para os nosos contedores.

docker exec -it 651d95b481aa bash
cat /etc/os-release
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@hectorcanto hectorcanto Nov 8, 2022

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o comando perfector para a release é cat /etc/*elease*. Hai casos como lsb-release
outro opcion /etc/issue

7 changes: 5 additions & 2 deletions lesson_3/ex2_solution.md
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REPOSITORY TAG IMAGE ID CREATED SIZE
nginx
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx stable-perl df1998569adb 9 days ago 188MB
nginx stable 0ccb2559380c 9 days ago 142MB
nginx stable-alpine-perl 98f7c1f8a3fa 2 weeks ago 58.6MB
nginx stable-alpine ec84f916d1ec 2 weeks ago 23.6MB
6 changes: 5 additions & 1 deletion lesson_3/ex2_solution.sh
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docker pull
docker pull nginx:stable
docker pull nginx:stable-perl
docker pull nginx:stable-alpine
docker pull nginx:stable-alpine-perl
docker image ls