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## Simplifiez vos déploiement avec la conteneurisation
Nathan Tien You
---
## Sommaire ## Sommaire
- Introduction à la conteneurisation - Introduction à la conteneurisation
- Docker - Docker
@@ -30,6 +35,22 @@
--- ---
## Infrastructure as code
- Automatisation
- Fiabilité
- Efficacité
- Contrôle des versions
- Autodocumenté
- Immutabilité
---
## Virtualisation du service
![Comparison between containers, bare metal, and virtual machines](https://about.gitlab.com/images/blogimages/containers-vm-bare-metal.png "Containers vs VMs")\
<sup>source : [Gitlab](https://gitlab.com)</sup>
---
## Différents types de conteneurisation ## Différents types de conteneurisation
- Conteneurs Processus - Conteneurs Processus
- Docker - Docker
@@ -40,48 +61,38 @@
--- ---
## Virtualisation du service
![Comparison between containers, bare metal, and virtual machines](https://about.gitlab.com/images/blogimages/containers-vm-bare-metal.png "Containers vs VMs")\
<sup>source : [Gitlab](https://gitlab.com)</sup>
---
## Infrastructure as code
- Automatisation
- Fiabilité
- Efficacité
- Contrôle des versions
- Code = Infrastructre : autodocumenté
- Immutabilité
---
## Conteneurs ## Conteneurs
<ul> Contexte d'éxecution isolé : chroot
<li>Ressources (processeur, ram)</li>
<li>Stockage</li>
<li>Réseau</li>
</ul>
<object data-id="Container.svg" data="./assets/Container.drawio.svg" type="image/svg+xml"></object>
<!-- .slide: data-auto-animate -->
---- <object data-id="chroot.svg" data="./assets/chroot.svg" type="image/svg+xml"></object>
```bash [1-5|1-2|3|4|5] ---
## Base du conteneur : image
<object data-id="image.svg" data="./assets/image.svg" type="image/svg+xml"></object>
- Point d'entrée (exécutable)
- Variables d'environnement
- Ports
---
## Registres d'images
![Docker image registry](https://despliegue.codeandcoke.com/_media/apuntes:arquitectura_docker.png)
---
## Lancement d'un conteneur
```bash
docker run \ docker run \
-it --rm \ -it --rm \
-v /tmp:/usr/local/apache2/htdocs/ \ -v /tmp:/usr/local/apache2/htdocs/ \
-p 8000:80 \ -p 8000:80 \
httpd:latest httpd:latest
``` ```
<object data-id="Container.svg" data="./assets/Container.drawio.svg" type="image/svg+xml"></object>
<!-- .slide: data-auto-animate -->
---- <object data-id="container.svg" data="./assets/Container.drawio.svg" type="image/svg+xml"></object>
![OverlayFS](https://docs.docker.com/storage/storagedriver/images/overlay_constructs.webp)
<object data-id="Container.svg" data="./assets/Container.drawio.svg" type="image/svg+xml"></object>
<!-- .slide: data-auto-animate -->
---- ----
@@ -89,11 +100,27 @@ httpd:latest
--- ---
## Images ## Bonnes pratiques Docker
```Docker - Conteneurs éphémères
FROM httpd:alpine - Processus stateless
- Architecture Shared-nothing
- Images minimales
- Installer uniquement le nécessaire
- Séparer compilation et mise en production
COPY files/* /usr/local/apache2/htdocs/ ---
## Construction d'une image
```Docker dockercompose
FROM node:lts-alpine3.20
WORKDIR /app
COPY package.json ./
COPY package-lock.json ./
COPY index.js ./
RUN npm ci
CMD ["node", "index.js"]
``` ```
![Container Insides](./assets/Image.drawio.svg) ![Container Insides](./assets/Image.drawio.svg)
```bash ```bash
@@ -121,7 +148,7 @@ docker buildx build . -t demo:latest
---- ----
```yaml [|1-4,11-13,22-23|5-6,14-15,36-37|8-9,18-19,28-30,32-34|7,16-17,24-25,26-27] dockercompose ```yaml [|1-4,11-13,21-23|5-6,14-15,36-37|8-9,18-19,28-30,32-34|7,16-17,24-25,26-27] dockercompose
services: services:
database: database:
@@ -167,7 +194,7 @@ volumes:
- Clusters - Clusters
- Stockage distribué - Stockage distribué
- Haute Disponibilité - Haute Disponibilité
- Redonance - Redondance
- Stratégie de déploiement - Stratégie de déploiement
--- ---