diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bd0440e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/maj.h
+*.so
+*.key
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..416d883
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+MODULE := maj.so
+
+$(MODULE): *.go
+	go build -v -o $@ -buildmode=c-shared .
+
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..6dd0082
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module git.maze.io/maze/mosquitto-auth-jwt
+
+go 1.24.13
+
+require github.com/golang-jwt/jwt/v5 v5.3.1 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..c0f7290
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63YCY=
+github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=