mirror of
https://github.com/BreizhHardware/cours-ISEN-MD.git
synced 2026-03-18 21:50:46 +01:00
6.9 KiB
6.9 KiB
#CloudComputing #DP #CIPA4
TP Git
Basic commits
Basic staging
Basic branching
ff-merge
3-way-merge
Merge conflict
Merge mergesort
Rebase branch
Commit on wrong branch II
git log --all
#get commit hash
git reset --hard HEAD~1
git switch new-feature
git cherry-pick hash
ls
nano myapp.txt
git add myapp.txt
git status
git cherry-pick --continue
git merge master
git switch master
git log --oneline --graph --all
TP Docker
# Our app
docker build -t getting-started .
docker run -dp 8080:3000 getting-started
docker ps
docker stop df7d1efc94cd
docker rm df7d1efc94cd
# Updating our app
nano src/static/js/app.js
docker build -t getting-started .
docker run -dp 8080:3000 getting-started
# Sharing our app
docker login nexus.mrqt.fr
docker build -t nexus.mrqt.fr/dockerr/getting-started:latest .
docker push nexus.mrqt.fr/dockerr/getting-started:latest
# Persisting our DB
docker run -d ubuntu bash -c "shuf -i 1-10000 -n 1 -o /data.txt && tail -f /dev/null"
docker exec 3b64c4b556b255f49d4587f34aea0b14201f05431af487068a9e35c0c98e2b0b cat /data.txt
# 3788
docker run -it ubuntu ls /
# bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var
docker rm -f 3b64c4b556b255f49d4587f34aea0b14201f05431af487068a9e35c0c98e2b0b
docker volume create todo-db
docker ps
docker rm -f e7663a0b8f1d
docker run -dp 8080:3000 -v todo-db:/etc/todos getting-started
docker ps
docker rm -f c64257c38371
docker run -dp 8080:3000 -v todo-db:/etc/todos getting-started
docker volume inspect todo-db
#[
# {
# "CreatedAt": "2026-01-14T12:59:17Z",
# "Driver": "local",
# "Labels": null,
# "Mountpoint": "/var/lib/docker/volumes/todo-db/_data",
# "Name": "todo-db",
# "Options": null,
# "Scope": "local"
# }
#]
# Using Bind Mounts
docker ps
docker rm -f adfa85f94341
docker run -dp 8080:3000 -w /app -v "$(pwd):/app" node:18-alpine sh -c "yarn install && yarn run dev"
docker ps
docker logs -f ec442a5d5d80
nano src/static/js/app.js
docker build -t getting-started .
# Multi-Container Apps
docker network create todo-app
docker run -d --network todo-app --network-alias mysql -v todo-mysql-data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=secret -e MYSQL_DATABASE=todos mysql:8.0
docker ps
docker exec -it cfdcbc8d1680 mysql -p
# secret
mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
| todos |
+--------------------+
5 rows in set (0.00 sec)
mysql> exit
docker run -it --network todo-app nicolaka/netshoot
89c761819671 ~ dig mysql
; <<>> DiG 9.20.17 <<>> mysql
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35535
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;mysql. IN A
;; ANSWER SECTION:
mysql. 600 IN A 172.18.0.2
;; Query time: 0 msec
;; SERVER: 127.0.0.11#53(127.0.0.11) (UDP)
;; WHEN: Wed Jan 14 13:19:11 UTC 2026
;; MSG SIZE rcvd: 44
89c761819671 ~ exit
docker run -dp 8080:3000 -w /app -v "$(pwd):/app" --network todo-app -e MYSQL_HOST=mysql -e MYSQL_USER=root -e MYSQL_PASSWORD=secret -e MYSQL_DB=todos node:18-alpine sh -c "yarn install && yarn run dev"
docker ps
docker logs 57e59c98f9f8
docker exec -it cfdcbc8d1680 mysql -p todos
mysql> select * from todo_items;
+--------------------------------------+--------------+-----------+
| id | name | completed |
+--------------------------------------+--------------+-----------+
| 1c488735-3d8c-4965-816a-75eab1178cba | Star Citizen | 0 |
| b0ba135b-bd8d-460c-8680-41127e08d7d6 | Squadron 42 | 0 |
| f2194135-fd96-4938-b340-db8162b43b01 | Elocution | 0 |
+--------------------------------------+--------------+-----------+
3 rows in set (0.00 sec)
mysql> exit
# Using docker compose
nano docker-compose.yml
docker compose up -d
docker compose logs -f
docker compose logs -f app
docker compose down
# Image Building Best Practices
docker image history getting-started
IMAGE CREATED CREATED BY SIZE COMMENT
f6dd66f1e7f3 23 minutes ago CMD ["node" "./src/index.js"] 0B buildkit.dockerfile.v0
<missing> 23 minutes ago RUN /bin/sh -c yarn install --production # b… 115MB buildkit.dockerfile.v0
<missing> 23 minutes ago COPY . . # buildkit 78MB buildkit.dockerfile.v0
<missing> 43 minutes ago WORKDIR /app 8.19kB buildkit.dockerfile.v0
<missing> 9 months ago CMD ["node"] 0B buildkit.dockerfile.v0
<missing> 9 months ago ENTRYPOINT ["docker-entrypoint.sh"] 0B buildkit.dockerfile.v0
<missing> 9 months ago COPY docker-entrypoint.sh /usr/local/bin/ # … 20.5kB buildkit.dockerfile.v0
<missing> 9 months ago RUN /bin/sh -c apk add --no-cache --virtual … 5.47MB buildkit.dockerfile.v0
<missing> 9 months ago ENV YARN_VERSION=1.22.22 0B buildkit.dockerfile.v0
<missing> 9 months ago RUN /bin/sh -c addgroup -g 1000 node && … 122MB buildkit.dockerfile.v0
<missing> 9 months ago ENV NODE_VERSION=18.20.8 0B buildkit.dockerfile.v0
<missing> 11 months ago CMD ["/bin/sh"] 0B buildkit.dockerfile.v0
<missing> 11 months ago ADD alpine-minirootfs-3.21.3-x86_64.tar.gz /… 8.5MB buildkit.dockerfile.v0
docker image history --no-trunc getting-started
rm Dockerfile && nano Dockerfile
docker build -t getting-started .
nano src/static/index.html
docker build -t getting-started .
docker-compose.yml:
services:
app:
image: node:18-alpine
command: sh -c "yarn install && yarn run dev"
ports:
- 3000:3000
working_dir: /app
volumes:
- ./:/app
environment:
MYSQL_HOST: mysql
MYSQL_USER: root
MYSQL_PASSWORD: secret
MYSQL_DB: todos
mysql:
image: mysql:8.0
volumes:
- todo-mysql-data:/var/lib/mysql
environment:
MYSQL_ROOT_PASSWORD: secret
MYSQL_DATABASE: todos
volumes:
todo-mysql-data: