diff --git a/.gitconfig b/.gitconfig
new file mode 100644
index 0000000..2d9a7ba
--- /dev/null
+++ b/.gitconfig
@@ -0,0 +1,19 @@
+[user]
+  name = juancwu
+  email = 46619361+juancwu@users.noreply.github.com
+  signingkey = ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPgpMo8j6HrZf3Xoe6ppX3BOZ7a7Xj4e8QzEnR7x5dm9
+
+[init]
+	defaultBranch = main
+
+[pull]
+	rebase = true
+
+[gpg]
+  format = ssh
+
+[gpg "ssh"]
+  program = "/Applications/1Password.app/Contents/MacOS/op-ssh-sign"
+
+[commit]
+  gpgsign = true
diff --git a/README.md b/README.md
index 18ab74c..bbc8a2a 100644
--- a/README.md
+++ b/README.md
@@ -155,3 +155,5 @@ This section defines a list of plugins used to customize fish.
 - [Peco](https://github.com/peco/peco) - Filterting tool.
 - [Llama](https://github.com/antonmedv/llama) - Terminal file manager.
 - [ghq](https://github.com/x-motemen/ghq) - Manage remote repository clones.
+
+testing sign commits