Empty webapp complete

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

docker/php/Dockerfile

@@ -0,0 +1,28 @@
+FROM php:8.4-fpm-alpine
+
+ARG UID=1000
+ARG GID=1000
+
+RUN apk add --no-cache \
+        icu-dev \
+        rabbitmq-c-dev \
+        libzip-dev \
+        $PHPIZE_DEPS \
+    && docker-php-ext-configure intl \
+    && docker-php-ext-install -j"$(nproc)" intl pdo_mysql zip opcache \
+    && pecl install amqp \
+    && docker-php-ext-enable amqp \
+    && apk del $PHPIZE_DEPS
+
+# Re-key www-data to the host UID/GID so files written into the bind-mounted
+# app directory (var/, vendor/) stay owned by the host user, not root.
+RUN deluser www-data 2>/dev/null || true \
+    && delgroup www-data 2>/dev/null || true \
+    && addgroup -g "${GID}" www-data \
+    && adduser -D -H -u "${UID}" -G www-data -s /sbin/nologin www-data
+
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+COPY conf.d/symfony.ini /usr/local/etc/php/conf.d/symfony.ini
+
+WORKDIR /var/www/html
+USER www-data