refactor(infra) : align prod setup with Lesstime pattern

Single container with supervisord (Nginx + PHP-FPM), 3-stage
Dockerfile build, pre-built image from registry, port 8086.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

infra/prod/Dockerfile

@@ -1,88 +1,81 @@
-ARG DOCKER_PHP_VERSION=8.4.6
+# --- Stage 1: Build backend ---
+FROM php:8.4-cli AS backend-build
 
-FROM php:${DOCKER_PHP_VERSION}-fpm-bullseye AS php-base
-
-ARG DOCKER_NODE_VERSION=24.12.0
-ENV DOCKER_NODE_VERSION="${DOCKER_NODE_VERSION}"
-
-# Installer les dépendances et extensions PHP nécessaires
 RUN apt-get update && apt-get install -y \
-        libicu-dev \
-        libpq-dev \
-        libpng-dev \
-        libzip-dev \
-        libxml2-dev \
-        ca-certificates \
-        gnupg \
-        libbz2-dev \
-        libgmp-dev \
-        libldap2-dev \
-        libonig-dev \
-        libsodium-dev \
-        libxslt1-dev \
-        zlib1g-dev \
-        libssl-dev \
-        wget \
-        git \
-        unzip \
-    && docker-php-ext-install -j$(nproc) \
-            intl \
-            zip \
-            bcmath \
-            bz2 \
-            calendar \
-            exif \
-            gd \
-            gettext \
-            gmp \
-            ldap \
-            pcntl \
-            pdo_pgsql \
-            soap \
-            sockets \
-            sysvsem \
-            xsl \
-    && docker-php-ext-enable opcache \
-    && rm -rf /var/lib/apt/lists/* /tmp/*
+        libicu-dev libpq-dev libpng-dev libzip-dev libxml2-dev \
+        unzip curl git \
+    && docker-php-ext-install -j$(nproc) intl pdo_pgsql zip gd opcache \
+    && rm -rf /var/lib/apt/lists/*
 
-# Installation de node
-RUN wget -qO- "https://nodejs.org/dist/v${DOCKER_NODE_VERSION}/node-v${DOCKER_NODE_VERSION}-linux-x64.tar.xz" | tar xJC /tmp/ && \
-    cp -r /tmp/node-v${DOCKER_NODE_VERSION}-linux-x64/bin /usr/ && \
-    cp -r /tmp/node-v${DOCKER_NODE_VERSION}-linux-x64/include /usr/ && \
-    cp -r /tmp/node-v${DOCKER_NODE_VERSION}-linux-x64/lib /usr/ && \
-    cp -r /tmp/node-v${DOCKER_NODE_VERSION}-linux-x64/share /usr/ && \
-    rm -rf /tmp/*
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 
-# Installation de composer
-RUN curl --insecure https://getcomposer.org/composer.phar -o /usr/bin/composer && chmod +x /usr/bin/composer
+WORKDIR /app
+COPY composer.json composer.lock ./
+RUN APP_ENV=prod APP_DEBUG=0 composer install --no-dev --no-scripts --no-interaction
 
-WORKDIR /var/www/html
+COPY bin bin/
+COPY config config/
+COPY migrations migrations/
+COPY public public/
+COPY src src/
 
-ENV APP_ENV=prod
+RUN composer dump-autoload --optimize --no-dev
 
-# Copier les fichiers projet
-COPY . /var/www/html
+# --- Stage 2: Build frontend ---
+FROM node:lts-alpine AS frontend-build
 
-# Installation des dépendances PHP (prod)
-RUN composer install --no-dev --optimize-autoloader --no-interaction
+WORKDIR /app/frontend
+COPY frontend/package.json frontend/package-lock.json ./
+RUN npm ci
 
-# Génération des clés JWT si absentes
-RUN php bin/console lexik:jwt:generate-keypair --skip-if-exists
+COPY frontend/ ./
+ENV CI=1 \
+    NUXT_TELEMETRY_DISABLED=1 \
+    NUXT_PUBLIC_API_BASE=/api \
+    NUXT_PUBLIC_APP_BASE=/
+RUN npm run generate
 
-# Build du frontend
-RUN cd frontend && npm ci && npm run build:dist && rm -rf node_modules
+# --- Stage 3: Production image ---
+FROM php:8.4-fpm AS production
+
+RUN apt-get update && apt-get install -y \
+        libicu-dev libpq-dev libpng-dev libzip-dev libxml2-dev \
+        nginx supervisor \
+    && docker-php-ext-install -j$(nproc) intl pdo_pgsql zip gd opcache \
+    && rm -rf /var/lib/apt/lists/*
+
+# PHP production config
+RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
+
+# PHP-FPM: forward worker output to stderr for docker logs
+RUN echo "catch_workers_output = yes" >> /usr/local/etc/php-fpm.d/www.conf \
+    && echo "decorate_workers_output = no" >> /usr/local/etc/php-fpm.d/www.conf
+
+# Nginx: log to stdout/stderr
+RUN ln -sf /dev/stdout /var/log/nginx/access.log \
+    && ln -sf /dev/stderr /var/log/nginx/error.log
+
+# Remove default nginx site
+RUN rm -f /etc/nginx/sites-enabled/default
+
+# Configs
+COPY infra/prod/supervisord.conf /etc/supervisor/conf.d/app.conf
+COPY infra/prod/nginx.conf /etc/nginx/sites-enabled/coltura.conf
+
+# Backend from stage 1
+COPY --from=backend-build /app /var/www/html
+
+# Frontend from stage 2
+COPY --from=frontend-build /app/frontend/.output/public /var/www/html/frontend/.output/public
+
+# Symfony needs a .env file to boot (variables are overridden by env_file in docker-compose)
+RUN echo "APP_ENV=prod" > /var/www/html/.env
 
 # Permissions
-RUN chown -R www-data:www-data /var/www/html/var /var/www/html/frontend/dist
+RUN mkdir -p /var/www/html/var /var/www/html/config/jwt \
+    && chown -R www-data:www-data /var/www/html/var
 
-# PHP prod config
-COPY infra/prod/php-prod.ini /usr/local/etc/php/php.ini
+WORKDIR /var/www/html
+EXPOSE 80
 
-EXPOSE 9000
-
-# ── Nginx stage ──
-FROM nginx:1.27-alpine AS nginx
-
-COPY infra/prod/nginx.conf /etc/nginx/conf.d/default.conf
-COPY --from=php-base /var/www/html/public /var/www/html/public
-COPY --from=php-base /var/www/html/frontend/dist /var/www/html/frontend/dist
+CMD ["supervisord", "-n", "-c", "/etc/supervisor/conf.d/app.conf"]