caddy log to file. enable gzip compression.

caddy/Caddyfile

@@ -9,9 +9,10 @@ rewrite {
     ext /
     to /index.php?{query}
 }
+gzip
 browse
-log stdout
-errors stderr
+log /var/log/caddy/access.log
+errors /var/log/caddy/error.log
 # Uncomment to enable TLS (HTTPS)
 # Change the first list to listen on port 443 when enabling TLS
 #tls self_signed

docker-compose.yml

@@ -206,6 +206,7 @@ services:
             - "2015:2015"
         volumes:
             - ./caddy/Caddyfile:/etc/Caddyfile
+            - ./logs/caddy:/var/log/caddy
         links:
             - php-fpm