diff --git a/README.md b/README.md
index 6d4f655..4a4c663 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,11 @@ The group which runs the fpm process.
 
 Maximal upload size.
 
+## PHP_MEMORY_LIMIT
+- default: 128M
+
+Maximum amount of memory that a script is allowed to allocate.
+
 ## PHP_ADMIN_VALUES
 Comma seperated list of php admin values.
 
diff --git a/rootfs/etc/confd/conf.d/00_memory_limit.ini.toml b/rootfs/etc/confd/conf.d/00_memory_limit.ini.toml
new file mode 100644
index 0000000..938bf1b
--- /dev/null
+++ b/rootfs/etc/confd/conf.d/00_memory_limit.ini.toml
@@ -0,0 +1,3 @@
+[template]
+src = "00_memory_limit.ini.tmpl"
+dest = "/etc/php7/conf.d/00_memory_limit.ini"
diff --git a/rootfs/etc/confd/templates/00_memory_limit.ini.tmpl b/rootfs/etc/confd/templates/00_memory_limit.ini.tmpl
new file mode 100644
index 0000000..180eab4
--- /dev/null
+++ b/rootfs/etc/confd/templates/00_memory_limit.ini.tmpl
@@ -0,0 +1 @@
+memory_limit = {{ getenv "PHP_MEMORY_LIMIT" "128M"}}