diff --git a/config.yml b/config.yml
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--- /dev/null
+++ b/config.yml
@@ -0,0 +1,69 @@
+version: 2.1
+
+orbs:
+ maven: circleci/maven@2.0.0  # Maven orb for building and testing Java projects
+
+jobs:
+ build:
+   docker:
+     - image: cimg/openjdk:11.0  # Java build environment
+   steps:
+     - checkout
+     - run:
+         name: Build the Project
+         command: cd code/nexus-lab/circleci-101 && mvn clean package spring-boot:repackage
+
+ lint:
+   docker:
+     - image: cimg/openjdk:11.0
+   steps:
+     - checkout
+     - run:
+         name: Lint the Code
+         command: cd code/nexus-lab/circleci-101 && mvn checkstyle:check
+
+ unit_test:
+   docker:
+     - image: cimg/openjdk:11.0
+   steps:
+     - checkout
+     - run:
+         name: Run Unit Tests
+         command: cd code/nexus-lab/circleci-101 && mvn test
+
+
+ deploy_mock:
+   docker:
+     - image: cimg/openjdk:11.0
+   steps:
+     - run:
+         name: Mock Deployment
+         command: echo "Deployment complete."
+
+workflows:
+ version: 2
+ build_and_deploy:
+   jobs:
+     - build
+     - lint:
+         requires:
+           - build
+     - unit_test: # using docker executor for running unit tests
+         requires:
+           - build
+     - maven/test: # using maven orb for running unit tests
+         executor:
+           name: maven/default
+           tag: '17.0'
+         maven_command: mvn
+         command: test
+         settings_file: settings.xml
+         verify_dependencies: false
+         app_src_directory: ./code/nexus-lab/circleci-101
+         test_results_path: ./target/surefire-reports
+         requires:
+           - build
+     - deploy_mock:
+         requires:
+           - lint
+           - unit_test