Configuration of environment variables for application processes.

src/nxt_main_process.c

@@ -121,6 +121,12 @@ static nxt_conf_map_t  nxt_common_app_conf[] = {
         NXT_CONF_MAP_CSTRZ,
         offsetof(nxt_common_app_conf_t, working_directory),
     },
+
+    {
+        nxt_string("environment"),
+        NXT_CONF_MAP_PTR,
+        offsetof(nxt_common_app_conf_t, environment),
+    },
 };