diff --git a/dda-devops-build.sh b/dda-devops-build.sh
deleted file mode 100755
index 5e349e5..0000000
--- a/dda-devops-build.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bb
-
diff --git a/src/main/clj/dda/devops_build/devops.clj b/src/main/clj/dda/devops_build/devops.clj
index baf0b3a..19551a5 100644
--- a/src/main/clj/dda/devops_build/devops.clj
+++ b/src/main/clj/dda/devops_build/devops.clj
@@ -9,7 +9,7 @@
 (s/def ::project-root-path ::domain/project-root-path)
 (s/def ::build-dir-name ::domain/build-dir-name)
 
-(s/def ::devops 
+(s/def ::devops
   (s/keys :req-un [::name]
           :opt-un [::module ::stage ::project-root-path ::build-dir-name]))
 
diff --git a/src/main/clj/dda/devops_build/image.clj b/src/main/clj/dda/devops_build/image.clj
index 5c334e2..602544f 100644
--- a/src/main/clj/dda/devops_build/image.clj
+++ b/src/main/clj/dda/devops_build/image.clj
@@ -5,7 +5,7 @@
             [dda.devops-build.devops.domain :as dd]
             [dda.devops-build.image.domain :as domain]))
 
-(def default 
+(def default
   (merge d/default {}))
 
 (defn-spec dbuild nil?
diff --git a/src/main/clj/dda/devops_build/image/domain.clj b/src/main/clj/dda/devops_build/image/domain.clj
index ca164d2..28c5ee4 100644
--- a/src/main/clj/dda/devops_build/image/domain.clj
+++ b/src/main/clj/dda/devops_build/image/domain.clj
@@ -8,7 +8,6 @@
   (let [{:keys [name]} devops]
     ["cp" "-r" "image" (d/build-path devops)]))
 
-
 (defn-spec dbuild-command seq?
   [devops ::d/devops]
   (let [{:keys [name]} devops]
diff --git a/src/test/clj/dda/devops_build/devops/domain_test.clj b/src/test/clj/dda/devops_build/devops/domain_test.clj
index e090e6a..b897e7d 100644
--- a/src/test/clj/dda/devops_build/devops/domain_test.clj
+++ b/src/test/clj/dda/devops_build/devops/domain_test.clj
@@ -1,32 +1,40 @@
 (ns dda.devops-build.devops.domain-test
   (:require
    [clojure.test :refer [deftest is are testing run-tests]]
+   [clojure.spec.test.alpha :as st]
    [dda.devops-build.devops.domain :as cut]))
 
+(st/instrument `cut/build-path)
+(st/instrument `cut/create-build-dir-command)
+
 (deftest should-calculate-build-path
   (is (= "../../target/dda-backup"
          (cut/build-path {:name "dda-backup"
                           :project-root-path "../.."
                           :build-dir-name "target"
-                          :version "4.11.8-dev"})))
+                          :version "4.11.8-dev"
+                          :stage "dev"})))
   (is (= "../../target/dda/backup"
          (cut/build-path {:name "dda"
                           :module "backup"
                           :project-root-path "../.."
                           :build-dir-name "target"
-                          :version "4.11.8-dev"}))))
+                          :version "4.11.8-dev"
+                          :stage "dev"}))))
 
 (deftest should-calculate-clean-build-dir-command
   (is (= ["rm" "-rf" "../../target/dda-backup"]
          (cut/clean-build-dir-command {:name "dda-backup"
                                        :project-root-path "../.."
                                        :build-dir-name "target"
-                                       :version "4.11.8-dev"}))))
+                                       :version "4.11.8-dev"
+                                       :stage "dev"}))))
 
 (deftest should-calculate-create-build-dir-command
   (is (= ["mkdir" "-p" "../../target/dda-backup"]
          (cut/create-build-dir-command {:name "dda-backup"
-                                       :project-root-path "../.."
-                                       :build-dir-name "target"
-                                       :version "4.11.8-dev"}))))
+                                        :project-root-path "../.."
+                                        :build-dir-name "target"
+                                        :version "4.11.8-dev"
+                                        :stage "dev"}))))
 
diff --git a/src/test/clj/dda/devops_build/image/domain_test.clj b/src/test/clj/dda/devops_build/image/domain_test.clj
index 1331cbc..efdf8b9 100644
--- a/src/test/clj/dda/devops_build/image/domain_test.clj
+++ b/src/test/clj/dda/devops_build/image/domain_test.clj
@@ -1,14 +1,20 @@
 (ns dda.devops-build.image.domain-test
   (:require
    [clojure.test :refer [deftest is are testing run-tests]]
+   [clojure.spec.test.alpha :as st]
    [dda.devops-build.image.domain :as cut]))
 
+(st/instrument `cut/copy-image-command)
+(st/instrument `cut/dbuild-command)
+ 
+
 (deftest should-calculate-copy-image-command
   (is (= ["cp" "-r" "image" "../../target/dda-backup"]
          (cut/copy-image-command {:name "dda-backup"
-                                       :project-root-path "../.."
-                                       :build-dir-name "target"
-                                       :version "4.11.8-dev"}))))
+                                  :project-root-path "../.."
+                                  :build-dir-name "target"
+                                  :version "4.11.8-dev"
+                                  :stage "dev"}))))
 
 (deftest should-calculate-dbuild-command
   (is (= ["docker"
@@ -19,7 +25,8 @@
           "../../target/dda-backup/image/Dockerfile"
           "../../target/dda-backup/image"]
          (cut/dbuild-command {:name "dda-backup"
-                                  :project-root-path "../.."
-                                  :build-dir-name "target"
-                                  :version "4.11.8-dev"}))))
+                              :project-root-path "../.."
+                              :build-dir-name "target"
+                              :version "4.11.8-dev"
+                              :stage "dev"}))))