diff --git a/Dockerfile b/Dockerfile
index a286923..97fccca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,67 @@ FROM dunglas/frankenphp:1.11-php8.5 AS frankenphp_upstream
 # https://docs.docker.com/compose/compose-file/#target
 
 
-# Base FrankenPHP image
+# ---------------------------------------------------------------
+# Builder: install prod vendor, dump autoload, warm Symfony cache
+# ---------------------------------------------------------------
+FROM frankenphp_upstream AS php_builder
+
+WORKDIR /app
+
+ENV COMPOSER_ALLOW_SUPERUSER=1 \
+    APP_ENV=prod
+
+# hadolint ignore=DL3008
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		git \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/*
+
+RUN install-php-extensions \
+		@composer \
+		intl \
+		pdo_mysql \
+		zip \
+	;
+
+# Install dependencies first so the layer is cached when only sources change
+COPY --link composer.* symfony.* ./
+RUN --mount=type=cache,target=/tmp/composer-cache \
+	COMPOSER_CACHE_DIR=/tmp/composer-cache \
+	composer install --prefer-dist --no-dev --no-autoloader --no-scripts --no-progress
+
+COPY --link --exclude=frankenphp/ . ./
+
+RUN set -eux; \
+	mkdir -p var/cache var/log var/share; \
+	composer dump-autoload --classmap-authoritative --no-dev; \
+	composer dump-env prod; \
+	chmod +x bin/console; \
+	sync
+
+
+# ---------------------------------------------------------------
+# Builder: compile frontend assets via webpack-encore
+# ---------------------------------------------------------------
+FROM node:24-alpine AS node_builder
+
+WORKDIR /app
+
+# package.json references "file:vendor/symfony/ux-react/assets"
+COPY --from=php_builder /app/vendor ./vendor
+
+COPY --link package.json package-lock.json webpack.config.js tsconfig.json ./
+COPY --link assets ./assets
+
+RUN --mount=type=cache,target=/root/.npm \
+	npm ci --no-audit --no-fund
+
+RUN npm run build
+
+
+# ---------------------------------------------------------------
+# Base FrankenPHP image — minimal, shared by dev and prod
+# ---------------------------------------------------------------
 FROM frankenphp_upstream AS frankenphp_base
 
 WORKDIR /app
@@ -18,33 +78,27 @@ VOLUME /app/var/
 # persistent / runtime deps
 # hadolint ignore=DL3008
 RUN apt-get update && apt-get install -y --no-install-recommends \
-	file \
-    cron \
-    supervisor \
-    procps \
-	git \
+		cron \
+		file \
+		procps \
+		supervisor \
+	&& apt-get clean \
 	&& rm -rf /var/lib/apt/lists/*
 
 RUN set -eux; \
 	install-php-extensions \
-		@composer \
 		apcu \
 		intl \
-        pdo_mysql \
 		opcache \
+		pdo_mysql \
 		zip \
 	;
 
-# https://getcomposer.org/doc/03-cli.md#composer-allow-superuser
-ENV COMPOSER_ALLOW_SUPERUSER=1
-
 ENV PHP_INI_SCAN_DIR=":$PHP_INI_DIR/app.conf.d"
 
 ###> recipes ###
 ###< recipes ###
 
-RUN curl -fsSL https://deb.nodesource.com/setup_24.x | bash - && apt-get install -y nodejs
-
 COPY --link frankenphp/conf.d/10-app.ini $PHP_INI_DIR/app.conf.d/
 COPY --link --chmod=755 frankenphp/docker-entrypoint.sh /usr/local/bin/docker-entrypoint
 COPY --link frankenphp/Caddyfile /etc/frankenphp/Caddyfile
@@ -57,26 +111,38 @@ ENTRYPOINT ["docker-entrypoint"]
 HEALTHCHECK --start-period=60s CMD curl -f http://localhost:2019/metrics || exit 1
 CMD [ "frankenphp", "run", "--config", "/etc/frankenphp/Caddyfile" ]
 
-# Dev FrankenPHP image
+
+# ---------------------------------------------------------------
+# Dev image — composer + node + git + xdebug for live development
+# ---------------------------------------------------------------
 FROM frankenphp_base AS frankenphp_dev
 
-ENV APP_ENV=dev
-ENV XDEBUG_MODE=off
-ENV FRANKENPHP_WORKER_CONFIG=watch
+ENV APP_ENV=dev \
+	XDEBUG_MODE=off \
+	FRANKENPHP_WORKER_CONFIG=watch \
+	COMPOSER_ALLOW_SUPERUSER=1
 
-RUN mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"
+# hadolint ignore=DL3008
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends git \
+	&& curl -fsSL https://deb.nodesource.com/setup_24.x | bash - \
+	&& apt-get install -y --no-install-recommends nodejs \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/*
 
-RUN set -eux; \
-	install-php-extensions \
-		xdebug \
-	;
+RUN install-php-extensions @composer xdebug
+
+RUN mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"
 
 COPY --link frankenphp/conf.d/20-app.dev.ini $PHP_INI_DIR/app.conf.d/
 COPY --link frankenphp/supervisord_dev.conf /etc/supervisor/conf.d/supervisord.conf
 
 CMD ["/usr/bin/supervisord"]
 
-# Prod FrankenPHP image
+
+# ---------------------------------------------------------------
+# Prod image — minimal runtime, pre-built vendor + assets
+# ---------------------------------------------------------------
 FROM frankenphp_base AS frankenphp_prod
 
 ENV APP_ENV=prod
@@ -85,21 +151,11 @@ RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
 
 COPY --link frankenphp/conf.d/20-app.prod.ini $PHP_INI_DIR/app.conf.d/
 
-# prevent the reinstallation of vendors at every changes in the source code
-COPY --link composer.* symfony.* ./
-RUN set -eux; \
-	composer install --no-cache --prefer-dist --no-dev --no-autoloader --no-scripts --no-progress
+# Pre-built application: vendor, sources, warmed cache, bundle assets
+COPY --from=php_builder --link /app /app
+# Pre-built webpack assets
+COPY --from=node_builder --link /app/public/build /app/public/build
 
-# copy sources
-COPY --link --exclude=frankenphp/ . ./
 COPY --link frankenphp/supervisord_prod.conf /etc/supervisor/conf.d/supervisord.conf
 
-RUN set -eux
-RUN mkdir -p var/cache var/log var/share
-RUN composer dump-autoload --classmap-authoritative --no-dev
-RUN composer dump-env prod
-#RUN composer run-script --no-dev post-install-cmd
-RUN chmod +x bin/console
-RUN sync
-
 CMD ["/usr/bin/supervisord"]
diff --git a/frankenphp/docker-entrypoint.sh b/frankenphp/docker-entrypoint.sh
index 02e4430..164ee6f 100755
--- a/frankenphp/docker-entrypoint.sh
+++ b/frankenphp/docker-entrypoint.sh
@@ -1,12 +1,14 @@
 #!/bin/sh
 set -e
 
-if [ -z "$(ls -A 'vendor/' 2>/dev/null)" ]; then
+if command -v composer >/dev/null 2>&1 && [ -z "$(ls -A 'vendor/' 2>/dev/null)" ]; then
   composer install --prefer-dist --no-progress --no-interaction
 fi
 
-npm install
-npm run build
+if command -v npm >/dev/null 2>&1; then
+  npm install
+  npm run build
+fi
 
 # Display information about the current project
 # Or about an error in project initialization
@@ -38,7 +40,8 @@ if grep -q ^DATABASE_URL= .env; then
   fi
 fi
 
-composer run-script --no-dev post-install-cmd
+php bin/console cache:clear --no-debug
+php bin/console assets:install public --no-debug
 
 echo 'PHP app ready!'