feat : add Docker prodcution deployment

deploy/docker/Dockerfile.prod

@@ -0,0 +1,82 @@
+# --- Stage 1: Build backend ---
+FROM php:8.4-cli AS backend-build
+
+RUN apt-get update && apt-get install -y \
+        libicu-dev libpq-dev libpng-dev libzip-dev libxml2-dev \
+        unzip curl git \
+    && docker-php-ext-install -j$(nproc) intl pdo_pgsql zip gd opcache \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+
+WORKDIR /app
+COPY composer.json composer.lock symfony.lock ./
+RUN APP_ENV=prod APP_DEBUG=0 composer install --no-dev --no-scripts --no-interaction
+
+COPY bin bin/
+COPY config config/
+COPY migrations migrations/
+COPY public public/
+COPY src src/
+COPY templates templates/
+
+RUN composer dump-autoload --optimize --no-dev
+
+# --- Stage 2: Build frontend ---
+FROM node:lts-alpine AS frontend-build
+
+WORKDIR /app/frontend
+COPY frontend/package.json frontend/package-lock.json ./
+RUN npm ci
+
+COPY frontend/ ./
+ENV CI=1 \
+    NUXT_TELEMETRY_DISABLED=1 \
+    NUXT_PUBLIC_API_BASE=/api \
+    NUXT_PUBLIC_APP_BASE=/
+RUN npm run generate
+
+# --- Stage 3: Production image ---
+FROM php:8.4-fpm AS production
+
+RUN apt-get update && apt-get install -y \
+        libicu-dev libpq-dev libpng-dev libzip-dev libxml2-dev \
+        nginx supervisor \
+    && docker-php-ext-install -j$(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 deploy/docker/supervisord.conf /etc/supervisor/conf.d/app.conf
+COPY deploy/docker/nginx.conf /etc/nginx/sites-enabled/lesstime.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 mkdir -p /var/www/html/var /var/www/html/var/uploads \
+    && chown -R www-data:www-data /var/www/html/var
+
+WORKDIR /var/www/html
+EXPOSE 80
+
+CMD ["supervisord", "-n", "-c", "/etc/supervisor/conf.d/app.conf"]