diff --git a/.gitignore b/.gitignore
index 37325190..68f9b56b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -98,6 +98,11 @@
 /cfg/php-startup-7.4/*.sh
 /cfg/php-startup-8.0/*.sh
 
+# Ignorecustom Varnish configs
+/cfg/varnish-4/*.vcl
+/cfg/varnish-5/*.vcl
+/cfg/varnish-6/*.vcl
+
 # Ignore custom PHP-FPM modules
 /mod/php-fpm-5.2/*.so
 /mod/php-fpm-5.3/*.so
diff --git a/cfg/varnish-4/README.md b/cfg/varnish-4/README.md
new file mode 100644
index 00000000..8cf2ae20
--- /dev/null
+++ b/cfg/varnish-4/README.md
@@ -0,0 +1,8 @@
+# Custom Varnish configuration
+
+Place your `*.vcl` files here to customize Varnish.
+
+* This directory will be mounted into `/etc/varnish.d/` into the Varnish container.
+* Ensure to point your `VARNISH_CONFIG` variable to `/etc/varnish.d/<my-file>.vcl` when you want to use it
+* Ensure to set your Backend server to `httpd` in your custom varnish config
+* Ensure to set your Backend port to `80` in your custom varnish config
diff --git a/cfg/varnish-5/README.md b/cfg/varnish-5/README.md
new file mode 100644
index 00000000..8cf2ae20
--- /dev/null
+++ b/cfg/varnish-5/README.md
@@ -0,0 +1,8 @@
+# Custom Varnish configuration
+
+Place your `*.vcl` files here to customize Varnish.
+
+* This directory will be mounted into `/etc/varnish.d/` into the Varnish container.
+* Ensure to point your `VARNISH_CONFIG` variable to `/etc/varnish.d/<my-file>.vcl` when you want to use it
+* Ensure to set your Backend server to `httpd` in your custom varnish config
+* Ensure to set your Backend port to `80` in your custom varnish config
diff --git a/cfg/varnish-6/README.md b/cfg/varnish-6/README.md
new file mode 100644
index 00000000..8cf2ae20
--- /dev/null
+++ b/cfg/varnish-6/README.md
@@ -0,0 +1,8 @@
+# Custom Varnish configuration
+
+Place your `*.vcl` files here to customize Varnish.
+
+* This directory will be mounted into `/etc/varnish.d/` into the Varnish container.
+* Ensure to point your `VARNISH_CONFIG` variable to `/etc/varnish.d/<my-file>.vcl` when you want to use it
+* Ensure to set your Backend server to `httpd` in your custom varnish config
+* Ensure to set your Backend port to `80` in your custom varnish config
diff --git a/compose/docker-compose.override.yml-all b/compose/docker-compose.override.yml-all
index e0a7fdad..62cb27d3 100644
--- a/compose/docker-compose.override.yml-all
+++ b/compose/docker-compose.override.yml-all
@@ -84,6 +84,8 @@ services:
       - VARNISHD_PARAMS=${VARNISH_PARAMS:--p default_ttl=3600 -p default_grace=3600}
       - BACKEND_HOST=httpd
       - BACKEND_PORT=80
+    volumes:
+      - ${DEVILBOX_PATH}/cfg/varnish-${VARNISH_SERVER:-6}:/etc/varnish.d
     depends_on:
       - bind
       - php
diff --git a/compose/docker-compose.override.yml-varnish b/compose/docker-compose.override.yml-varnish
index b60570b8..164a520a 100644
--- a/compose/docker-compose.override.yml-varnish
+++ b/compose/docker-compose.override.yml-varnish
@@ -15,6 +15,8 @@ services:
       - VARNISHD_PARAMS=${VARNISH_PARAMS:--p default_ttl=3600 -p default_grace=3600}
       - BACKEND_HOST=httpd
       - BACKEND_PORT=80
+    volumes:
+      - ${DEVILBOX_PATH}/cfg/varnish-${VARNISH_SERVER:-6}:/etc/varnish.d
     depends_on:
       - bind
       - php