Use https for server

docker-compose.yml

@@ -11,7 +11,7 @@ services:
       - DRONE_GOGS_SERVER=${GOGS_URL}
       - DRONE_RPC_SECRET=${SECRET}
       - DRONE_SERVER_HOST=${HOST}
-      - DRONE_SERVER_PROTO=http
+      - DRONE_SERVER_PROTO=https
     restart: always
   drone-runner:
     image: drone/drone-runner-docker:1