secure: implement ansible vault and isolate client secrets

.gitlab-ci.yml

@@ -22,5 +22,7 @@ deploy_application:
   image: docker:24.0.7-cli
   script:
     - docker pull nginxdemos/hello:plain-text
-    # FIXED: Now pointing to the local path inside the repository root
-    - docker compose -f ./stacks/hello-world/docker-compose.yml up -d
+    - docker compose -f ./stacks/hello-world/docker-compose.yml up -d
+    # Added bonus: Re-running ansible safely in pipeline if configuration changes
+    # - echo "$ANSIBLE_VAULT_PASSWORD" > .vault_pass
+    # - ansible-playbook -i hosts.ini main.yml --vault-password-file .vault_pass

main.yml

@@ -1,15 +1,18 @@
 ---
-- name: Provision Foundation & Operations Stage (v0.1 & v0.2)
+- name: Provision Production DevOps Platform Toolkit
   hosts: all
   become: yes
+  vars_files:
+    - vars/vault.yml # Dynamically loads the encrypted secrets
   vars:
     server_timezone: "Europe/Amsterdam"
-    client_admin_user: "ansible" 
-    client_admin_ssh_pub_key: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIwGQCc/zdN16mRdviHD7VCmisZnippyVMjvH5GHFVGH ansible-lab"
+    client_admin_user: "ansible"
     ssh_port: "22"
-    ssl_notification_email: "mhdio.mail@gmail.com"
-    # Primary domain configuration
     client_domain: "lab.mhdio.com"
+    
+    # Binding plaintext vars to encrypted vault values
+    client_admin_ssh_pub_key: "{{ vault_client_admin_ssh_pub_key }}"
+    ssl_notification_email: "{{ vault_ssl_notification_email }}"
 
   roles:
     # -----------------------------------------------------------------

vars/vault.yml

@@ -0,0 +1,17 @@
+$ANSIBLE_VAULT;1.1;AES256
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