diff --git a/modules/builder/module.json b/modules/builder/module.json
new file mode 100644
index 0000000..8de43ea
--- /dev/null
+++ b/modules/builder/module.json
@@ -0,0 +1,57 @@
+{
+  "module": "builder",
+  "version": "1",
+  "capabilities": [
+    "container-runtime"
+  ],
+  "claims": [
+    {
+      "name": "the-build-machine",
+      "scope": "node"
+    }
+  ],
+  "requires": [
+    "artifact-store"
+  ],
+  "own-secrets": {
+    "broker": "/var/lib/mesh/builder/broker"
+  },
+  "resources": [
+    {
+      "id": "mesh-state",
+      "type": "directory",
+      "path": "/var/lib/mesh/builder",
+      "mode": "0700"
+    },
+    {
+      "id": "workspace",
+      "type": "directory",
+      "path": "/var/lib/builder/workspace",
+      "mode": "0700"
+    },
+    {
+      "id": "builder-env",
+      "type": "file",
+      "path": "/var/lib/mesh/builder/builder.env",
+      "mode": "0600",
+      "content": "MESH_BROKER_FILE=/run/mesh/broker\nMESH_REGISTRY=127.0.0.1:${bound:artifact-store:port}\nMESH_WORKSPACE=/workspace\n"
+    },
+    {
+      "id": "server",
+      "type": "container",
+      "name": "mesh-builder",
+      "image": "mesh-builder@sha256:0000000000000000000000000000000000000000000000000000000000000000",
+      "env-file": [
+        "/var/lib/mesh/builder/builder.env"
+      ],
+      "volumes": [
+        "/var/lib/mesh/builder:/run/mesh:ro",
+        "/var/lib/builder/workspace:/workspace",
+        "/var/run/docker.sock:/var/run/docker.sock"
+      ],
+      "restart-on": [
+        "builder-env"
+      ]
+    }
+  ]
+}