feat: Ajout du service watchtower

watchtower/.env

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+WATCHTOWER_CONTAINER_NAME=watchtower
+WATCHTOWER_IMAGE=containrrr/watchtower:1.0.1
+REGISTRY_DOMAIN=registry.cool.life
+REGISTRY_USER=kosssi
+REGISTRY_PASSWORD=z91PjNYpswd4ai5YoMCw58VoygJSZev7qNJ0cAlPmPBD5pVz9O

watchtower/README.md

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+# Watchtower
+
+>  A process for automating Docker container base image updates.
+>
+> Watchtower is an application that will monitor your running Docker containers and watch for changes to the images that those containers were originally started from. If watchtower detects that an image has changed, it will automatically restart the container using the new image.
+>
+> -- <cite>[Github][github]</cite>
+
+## Principe
+
+Le but est de tenir les images à jour.
+
+## Authentification
+
+Pour utiliser le service avec un _registry_ privé il faut générer un fichier
+d'authentification.
+
+
+
+[github]: https://github.com/containrrr/watchtower

watchtower/docker-compose.yml

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+version: '3.8'
+
+services:
+  watchtower:
+    container_name: ${WATCHTOWER_CONTAINER_NAME}
+    image: ${WATCHTOWER_IMAGE}
+    restart: always
+    command: -i 60 --label-enable --cleanup --debug
+    # --debug
+    environment:
+      REPO_USER: ${REGISTRY_USER}
+      REPO_PASS: ${REGISTRY_PASSWORD}
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ${PWD}/config.json:/config.json
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro

watchtower/run

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+#!/bin/bash
+
+set -eu
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+. $DIR/../help.sh
+
+watchtower_help() {
+  echo "./run config : 🔑 Génération du fichier config.json"
+}
+
+watchtower_config() {
+  script_env
+  echo "🔑 Génération du fichier config.json"
+  CONFIG_PATH_DEFAULT="./config.json"
+  CONFIG_PATH=${CONFIG_PATH:-$CONFIG_PATH_DEFAULT}
+  echo "{\"auths\":{\"$REGISTRY_DOMAIN\":{\"auth\":\"$(echo -n "$REGISTRY_USER:$REGISTRY_PASSWORD" | base64)\"}}}" > $CONFIG_PATH
+}
+
+if [ $# -ge 1 ]; then
+  if [ "${1}" == "config" ]; then
+    script_start
+    watchtower_config
+    script_end
+  elif [ "${1}" != "--only-source" ]; then
+    watchtower_help
+  fi
+else
+  watchtower_help
+fi