Concepts de Base
1. Exercice A
1
docker run ubuntu echo "Hello, Docker"
Unable to find image 'ubuntu:latest' locally
latest: Pulling from library/ubuntu
ff65ddf9395b: Pull complete
Digest: sha256:99c35190e22d294cdace2783ac55effc69d32896daaa265f0bbedbcde4fbe3e5
Status: Downloaded newer image for ubuntu:latest
Hello, Docker
2. Exercice B
1
nano main.py
from datetime import datetime
now = datetime.now()
print("Date et heure actuelles :", now)
2
nano Dockerfile
FROM alpine
RUN apk update && apk add python3
COPY . /app
WORKDIR /app
CMD ["python3","main.py"]
3
docker image build -t exercice-b:v0.1 .
[+] Building 0.1s (9/9) FINISHED docker:default
=> [internal] load build definition from Dockerfile 0.0s
=> => transferring dockerfile: 134B 0.0s
=> [internal] load metadata for docker.io/library/alpine:latest 0.0s
=> [internal] load .dockerignore 0.0s
=> => transferring context: 2B 0.0s
=> [1/4] FROM docker.io/library/alpine:latest 0.0s
=> [internal] load build context 0.0s
=> => transferring context: 160B 0.0s
=> CACHED [2/4] RUN apk update && apk add python3 0.0s
=> [3/4] COPY . /app 0.0s
=> [4/4] WORKDIR /app 0.0s
=> exporting to image 0.0s
=> => exporting layers 0.0s
=> => writing image sha256:e4642afea15d72f269a711c273b531903dfb0f48e2591f4520e506bd4ff32f3d 0.0s
=> => naming to docker.io/library/exercice-b:v0.2
4
docker container run exercice-b:v0.1
Date et heure actuelles : 2024-11-08 15:30:47.415451
3. Exercice C
nano docker-compose.yml
services:
db:
image: mysql:5.7
container_name: mysql_db
volumes:
- db_data:/var/lib/mysql
restart: always
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: db_exercice
MYSQL_USER: cpnv
MYSQL_PASSWORD: secret
phpmyadmin:
image: phpmyadmin
container_name: phpmyadmin
depends_on:
- db
ports:
- "80:80"
restart: always
environment:
PMA_HOST: db
PMA_PORT: 3306
volumes:
db_data:
docker-compose up -d

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