feat: Docker multi-stage build (Node build + nginx static serve)

This commit is contained in:
2026-02-22 20:04:08 +01:00
parent a4c4ac9e51
commit 1b09106aed
4 changed files with 98 additions and 0 deletions

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.dockerignore Normal file
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node_modules
.next
out
.git
.gitignore
*.md
*.xlsx
.gitea

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Dockerfile Normal file
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# ── Stage 1: Build ────────────────────────────────────────────────────────────
FROM node:18-alpine AS builder
WORKDIR /app
# Installer les dépendances d'abord (cache Docker)
COPY package*.json ./
RUN npm ci
# Copier le code source et builder
COPY . .
RUN npm run build
# ── Stage 2: Production (nginx pour servir le static export) ─────────────────
FROM nginx:alpine
# Copier la config nginx personnalisée
COPY nginx.conf /etc/nginx/conf.d/default.conf
# Copier le build statique depuis le stage builder
COPY --from=builder /app/out /usr/share/nginx/html
# Script d'entrée
COPY docker-entrypoint.sh /
RUN chmod +x /docker-entrypoint.sh
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
CMD wget -qO- http://localhost:3000/ || exit 1
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["nginx", "-g", "daemon off;"]

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docker-entrypoint.sh Normal file
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#!/bin/sh
set -e
# Vérifier que le build statique est présent
if [ ! -f "/usr/share/nginx/html/index.html" ]; then
echo "ERREUR: Build statique non trouvé (index.html manquant) !"
exit 1
fi
# Compter les fichiers servis
FILE_COUNT=$(find /usr/share/nginx/html -type f | wc -l)
echo "──────────────────────────────────────────"
echo " SimO — Simulateur de prêt immobilier"
echo "──────────────────────────────────────────"
echo " Fichiers statiques : ${FILE_COUNT}"
echo " Port : 3000"
echo " Serveur : nginx"
echo "──────────────────────────────────────────"
echo "Démarrage du serveur..."
# Exécuter la commande par défaut (nginx)
exec "$@"

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nginx.conf Normal file
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server {
listen 3000;
server_name _;
root /usr/share/nginx/html;
index index.html;
# Compression gzip
gzip on;
gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript image/svg+xml;
# Cache statique long (JS/CSS hachés par Next.js)
location /_next/static/ {
expires 1y;
add_header Cache-Control "public, immutable";
}
# Cache modéré pour les autres assets
location ~* \.(ico|png|jpg|jpeg|gif|svg|webp|woff2?|ttf|eot)$ {
expires 30d;
add_header Cache-Control "public";
}
# SPA fallback : toutes les routes renvoient index.html
location / {
try_files $uri $uri/ /index.html;
}
# Pas de log pour favicon/robots
location = /favicon.ico { log_not_found off; access_log off; }
location = /robots.txt { log_not_found off; access_log off; }
}