add restart policy

.env.sample

@@ -7,3 +7,5 @@ PORT=8084
 NAME=monsite
 # Your fully qualified domain name
 HOST=`FQDN`
+
+RESTART=always

docker-compose.yml

@@ -8,3 +8,4 @@ services:
       - "./content:/var/www/html/content"
       - "./config:/var/www/html/config"
       - "./plugins/pico-cache/PicoZCache.php:/var/www/html/plugins/PicoZCache.php"
+    restart: ${RESTART}