diff --git a/.tool-versions b/.tool-versions
index 51b0306..d7eacf1 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-erlang 24.0.5
-elixir 1.12.2-otp-24
+elixir 1.14.4-otp-25
+erlang 25.3.2.7
\ No newline at end of file
diff --git a/config/test.exs b/config/test.exs
index 30e64c3..875db47 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -2,3 +2,5 @@ import Mix.Config
 
 config :lexdee, :environment, :test
 config :lexdee, :task, Lexdee.TaskMock
+
+config :logger, level: :warn
diff --git a/lib/lexdee/client.ex b/lib/lexdee/client.ex
index fa688d2..00b9b85 100644
--- a/lib/lexdee/client.ex
+++ b/lib/lexdee/client.ex
@@ -8,7 +8,8 @@ defmodule Lexdee.Client do
     middleware = [
       Lexdee.Response,
       {Tesla.Middleware.BaseUrl, base_url},
-      Tesla.Middleware.JSON
+      Tesla.Middleware.JSON,
+      {Tesla.Middleware.Logger, [debug: false]}
     ]
 
     adapter = get_adapter(cert, key)
diff --git a/lib/lexdee/instances/files.ex b/lib/lexdee/instances/files.ex
index a6bf220..4ff8d29 100644
--- a/lib/lexdee/instances/files.ex
+++ b/lib/lexdee/instances/files.ex
@@ -1,13 +1,25 @@
 defmodule Lexdee.Instances.Files do
+  use Tesla
+
+  alias Lexdee.Instances
+
   @path "/files"
 
-  def create(client, id, path, content, options \\ []) do
+  def create(client, instance, file_path, content, options \\ []) do
     query = Keyword.get(options, :query)
     project = Keyword.get(query, :project)
+    type = Keyword.get(query, :type, "file")
+
+    path =
+      [Instances.base_path(), instance, @path]
+      |> Path.join()
 
-    Tesla.post(client, Path.join(id, @path), content,
-      query: [path: path, project: project],
-      headers: [{"content-type", "application/octet-stream"}]
+    post(client, path, content,
+      query: [path: file_path, project: project],
+      headers: [
+        {"content-type", "application/octet-stream"},
+        {"X-LXD-type", type}
+      ]
     )
   end
 end
diff --git a/test/lexdee/instances/files_test.exs b/test/lexdee/instances/files_test.exs
new file mode 100644
index 0000000..5e73d29
--- /dev/null
+++ b/test/lexdee/instances/files_test.exs
@@ -0,0 +1,33 @@
+defmodule Lexdee.Instances.FilesTest do
+  use ExUnit.Case
+
+  setup do
+    id = "test-02"
+
+    bypass = Bypass.open()
+
+    client = Lexdee.create_client("http://localhost:#{bypass.port}")
+
+    {:ok, client: client, bypass: bypass, id: id}
+  end
+
+  describe "create file" do
+    test "can create file", %{bypass: bypass, client: client, id: id} do
+      response =
+        File.read!(
+          "test/support/fixtures/responses/instances/files/create.json"
+        )
+
+      Bypass.expect(bypass, "POST", "/1.0/instances/#{id}/files", fn conn ->
+        conn
+        |> Plug.Conn.put_resp_header("content-type", "application/json")
+        |> Plug.Conn.resp(200, response)
+      end)
+
+      assert {:ok, %{body: %{}}} =
+               Lexdee.create_file(client, id, "/root/example.json", "test",
+                 query: [project: "default"]
+               )
+    end
+  end
+end
diff --git a/test/support/fixtures/responses/instances/files/create.json b/test/support/fixtures/responses/instances/files/create.json
new file mode 100644
index 0000000..5a32c17
--- /dev/null
+++ b/test/support/fixtures/responses/instances/files/create.json
@@ -0,0 +1,9 @@
+{
+  "type":"sync",
+  "status":"Success",
+  "status_code":200,
+  "operation":"",
+  "error_code":0,
+  "error":"",
+  "metadata":{}
+}
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