diff --git a/inventory.example b/inventory.example
index 473c349..81585d5 100644
--- a/inventory.example
+++ b/inventory.example
@@ -1,8 +1,8 @@
 [peertube]
 # define the username and hostname that you use for ssh connection, and specify the domain
-myuser@example.com domain=example.com
+myuser@example.com domain=example.com cache_size_gb=15
 # you can also use a host that is defined in your ssh config
-myserver domain=example.com
+myserver domain=example.com cache_size_gb=15
 
 [all:vars]
 ansible_connection=ssh
diff --git a/templates/docker-compose.yml b/templates/docker-compose.yml
index 9f76ae3..d76a60a 100644
--- a/templates/docker-compose.yml
+++ b/templates/docker-compose.yml
@@ -36,7 +36,7 @@ services:
     restart: "always"
 
   peertube:
-    image: chocobozzz/peertube:v1.3.0-rc.1-stretch
+    image: chocobozzz/peertube:v1.3.0-rc.2-stretch
     env_file:
       - .env
     volumes:
diff --git a/templates/nginx.conf b/templates/nginx.conf
index 36d98ab..c82f3d1 100644
--- a/templates/nginx.conf
+++ b/templates/nginx.conf
@@ -3,7 +3,7 @@ events {
 }
 
 http {
-    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=peertube_cache:10m max_size=15g use_temp_path=off;
+    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=peertube_cache:10m max_size={{ cache_size_gb }}g use_temp_path=off;
 
     server {
         listen 9000;