diff --git a/captain-definition b/captain-definition
new file mode 100644
index 0000000..8dbd8fd
--- /dev/null
+++ b/captain-definition
@@ -0,0 +1,4 @@
+{
+    "schemaVersion": 2,
+    "dockerfilePath": "./dockerfile"
+}
diff --git a/settings.json b/settings.json
index 43cb51c..d698573 100644
--- a/settings.json
+++ b/settings.json
@@ -1,5 +1,5 @@
 {
   "db": {
-    "host": "db"
+    "host": "srv-captain--mongodb"
   }
 }