php-fpm: fix dockerfile not copying www.conf

php-fpm/7.4/Dockerfile

@@ -2,6 +2,7 @@
 ARG BASE_VERSION=7.4
 ARG BASE_TAG=${BASE_VERSION}-fpm-alpine3.16
 FROM php:${BASE_TAG}
+ARG BASE_VERSION
 
 # Install build dependencies, PHP extensions, and runtime dependencies in a single layer
 RUN set -eux; \
@@ -96,8 +97,10 @@ RUN set -eux; \
 	echo 'error_log = /proc/self/fd/2'; \
 	} > /usr/local/etc/php/conf.d/zz-hardening.ini
 
-# Copy pool configuration and entrypoint from shared path in repo root
+# Copy pool configuration from this directory
 COPY --chown=app:app php-fpm/${BASE_VERSION}/www.conf /usr/local/etc/php-fpm.d/www.conf
+
+# Copy entrypoint from shared path in repo root
 COPY --chown=root:root shared/php-fpm/entrypoint.sh /usr/local/bin/entrypoint.sh
 RUN chmod 755 /usr/local/bin/entrypoint.sh