DCD-386: Remove all write permissions from BB installation directory.

roles/bitbucket_config/tasks/main.yml

@@ -4,3 +4,11 @@
   template:
     src: bitbucket.properties.j2
     dest: "{{ atl_product_home_shared }}/bitbucket.properties"
+
+- name: Remove write permissions from installation directory
+  file:
+    path: "{{ atl_product_installation_versioned }}"
+    owner: "root"
+    group: "root"
+    mode: "u=rwX,g=rX,o=rX"
+    recurse: true