added hook for acme to fix permissions

docker-compose.yml

@@ -61,10 +61,12 @@ services:
                         proxy.${HOSTNAME},
                         push.${HOSTNAME}
       LETSENCRYPT_EMAIL: webmaster@${HOSTNAME}
+      ACME_POST_HOOK: "chmod a+r /etc/nginx/certs/im.s-up.net/key.pem"
 
     networks:
       - reverse-proxy_default
       - irc
+      - db_default
 
   biboumi:
     image: louiz/biboumi:9.0
@@ -96,6 +98,8 @@ services:
       - irc
 
 networks:
+  db_default:
+    external: true
   reverse-proxy_default:
     external: true
   irc: