Updated the yaml file

Author: Irene Busah

.github/workflows/cicd.yml

@@ -7,6 +7,13 @@ on:
         branches: [main]
 
 jobs:
+    dockerbuild:
+        runs-on: ubuntu-latest
+        steps:
+        -   uses: actions/checkout@v4
+        -   name: Build the Docker Image
+            run: docker build . --file Dockerfile --tag workflow-test:$(date +%s)
+
     build-and-test:
         runs-on: ubuntu-latest