diff --git a/.gitconfig b/.gitconfig
new file mode 100644
index 0000000..f391054
--- /dev/null
+++ b/.gitconfig
@@ -0,0 +1,15 @@
+[user]
+    name = John Doe
+    email = John.Doe@example.com
+    signingkey = DEADBEEF010203
+[credential]
+    username = a123456
+    helper = osxkeychain
+[init]
+    defaultbranch = main
+[commit]
+    gpgsign = true
+[gpg]
+    program = /usr/local/bin/gpg
+[http]
+    sslCAInfo = /path/to/custom-cas.pem
\ No newline at end of file