ci: docker_tag=ext - Migrate to Debian base with minimal packages

Dockerfile

@@ -26,18 +26,23 @@ RUN npm run build
 # Réduction aux deps de production
 RUN npm prune --omit=dev && npm cache clean --force
 
-FROM node:19-alpine
+FROM debian:bookworm-slim
 WORKDIR /app
 
 # Installation des dépendances minimales nécessaires
-RUN apk update && apk upgrade && apk add --no-cache \
-    curl \
-    jq \
-    && rm -rf /var/cache/apk/* /tmp/* /var/tmp/*
+RUN apt-get update && apt-get upgrade -y && \
+    apt-get install -y --fix-missing \
+    ca-certificates curl jq git && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Installation de Node.js
+RUN curl -fsSL https://deb.nodesource.com/setup_19.x | bash - && \
+    apt-get install -y nodejs && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # Création d'un utilisateur non-root
-RUN adduser -D appuser --uid 10000 && \
-    chown -R appuser /app
+RUN useradd -m -u 1000 appuser && \
+    mkdir -p /app && chown -R appuser:appuser /app
 
 # Retour à l'utilisateur appuser
 USER appuser