[Dockerfiles] Rename some files and create hook points

data/Dockerfiles/phpfpm/Dockerfile

@@ -85,4 +85,5 @@ RUN apk add -U --no-cache autoconf \
 COPY ./docker-entrypoint.sh /
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
+
 CMD ["php-fpm"]

data/Dockerfiles/phpfpm/docker-entrypoint.sh

@@ -123,4 +123,12 @@ EOF
   fi
 fi
 
+# Run hooks
+for file in /hooks/*; do
+  if [ -x "${file}" ]; then
+    echo "Running hook ${file}"
+    "${file}"
+  fi
+done
+
 exec "$@"