Introducing working_directory directive for applications.

src/nxt_application.c

@@ -297,6 +297,19 @@ nxt_app_start(nxt_task_t *task, void *data)
         nxt_app = nxt_app_module_load(task, lang->file);
     }
 
+    if (app_conf->working_directory != NULL &&
+        app_conf->working_directory[0] != 0)
+    {
+        ret = chdir(app_conf->working_directory);
+
+        if (nxt_slow_path(ret != 0)) {
+            nxt_log(task, NXT_LOG_WARN, "chdir(%s) failed %E",
+                    app_conf->working_directory, nxt_errno);
+
+            return NXT_ERROR;
+        }
+    }
+
     if (nxt_slow_path(nxt_thread_mutex_create(&nxt_app_mutex) != NXT_OK)) {
         return NXT_ERROR;
     }

src/nxt_application.h

@@ -57,6 +57,8 @@ struct nxt_common_app_conf_s {
     nxt_str_t       user;
     nxt_str_t       group;
 
+    char       *working_directory;
+
     uint32_t   workers;
 
     union {

src/nxt_conf_validation.c

@@ -80,6 +80,11 @@ static nxt_conf_vldt_object_t  nxt_conf_vldt_python_members[] = {
       NULL,
       NULL },
 
+    { nxt_string("working_directory"),
+      NXT_CONF_STRING,
+      NULL,
+      NULL },
+
     { nxt_string("path"),
       NXT_CONF_STRING,
       NULL,
@@ -115,6 +120,11 @@ static nxt_conf_vldt_object_t  nxt_conf_vldt_php_members[] = {
       NULL,
       NULL },
 
+    { nxt_string("working_directory"),
+      NXT_CONF_STRING,
+      NULL,
+      NULL },
+
     { nxt_string("root"),
       NXT_CONF_STRING,
       NULL,
@@ -155,6 +165,11 @@ static nxt_conf_vldt_object_t  nxt_conf_vldt_go_members[] = {
       NULL,
       NULL },
 
+    { nxt_string("working_directory"),
+      NXT_CONF_STRING,
+      NULL,
+      NULL },
+
     { nxt_string("executable"),
       NXT_CONF_STRING,
       NULL,

src/nxt_main_process.c

@@ -104,6 +104,12 @@ static nxt_conf_map_t  nxt_common_app_conf[] = {
         offsetof(nxt_common_app_conf_t, group),
     },
 
+    {
+        nxt_string("working_directory"),
+        NXT_CONF_MAP_CSTRZ,
+        offsetof(nxt_common_app_conf_t, working_directory),
+    },
+
     {
         nxt_string("workers"),
         NXT_CONF_MAP_INT32,