Fix broken variable due to formatting + realigned it in compose

config/piler-ssl.yml

@@ -13,6 +13,8 @@ services:
       - ./nginx-data/vhost.d:/etc/nginx/vhost.d
       - ./nginx-data/html:/usr/share/nginx/html
       - /var/run/docker.sock:/tmp/docker.sock:ro
+    environment:
+      - ENABLE_IPV6=${NGINX_ENABLE_IPV6:-false}
 
   nginx-letsencrypt:
     image: jrcs/letsencrypt-nginx-proxy-companion
@@ -27,7 +29,6 @@ services:
       - ./acme-data:/etc/acme.sh
     environment:
       - LETSENCRYPT_EMAIL=${LETSENCRYPT_EMAIL}
-      - ENABLE_IPV6=${NGINX_ENABLE_IPV6:-false}
 
   mysql:
     image: mariadb:${MARIA_DB_VERSION}