Use separate key for http protocol gateway node

Signed-off-by: Stanislav Bogatyrev <stanislav@nspcc.ru>

services/http_gate/docker-compose.yml

@@ -13,12 +13,12 @@ services:
       internet:
         ipv4_address: ${IPV4_PREFIX}.81
     volumes:
-      - ./user.key:/user.key
+      - ./node.key:/node.key
       - ./../../vendor/hosts:/etc/hosts
     stop_signal: SIGKILL
     env_file: [ ".env", ".http.env" ]
     environment:
-      - HTTP_GW_KEY=/user.key
+      - HTTP_GW_KEY=/node.key
       - HTTP_GW_PEERS_0_ADDRESS=s01.${LOCAL_DOMAIN}:8080
       - HTTP_GW_PEERS_0_WEIGHT=0.2
       - HTTP_GW_PEERS_1_ADDRESS=s02.${LOCAL_DOMAIN}:8080

services/http_gate/node.key

@@ -0,0 +1 @@
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