validation for project name

Author: MaxMB15

.github/workflows/cloudFormation.yml

@@ -36,6 +36,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: Validate Project Name
+      env:
+        PROJECT_NAME: ${{ github.event.inputs.project_name }}
+      run: |
+        if ! [[ "$PROJECT_NAME" =~ ^[a-zA-Z][a-zA-Z0-9]*$ ]]; then
+          echo "Project Name must begin with a letter and contain only alphanumeric characters."
+          exit 1
+        fi
+
     - name: Checkout
       uses: actions/checkout@v2
 

.github/workflows/stacks/backendStackCF.yaml

@@ -34,7 +34,7 @@ Resources:
   RDSDatabase:
     Type: AWS::RDS::DBInstance
     Properties:
-      DBName: !Sub '${ProjectName}-db'
+      DBName: !Sub '${ProjectName}'
       MasterUsername: !Ref DBUser
       Engine: postgres
       MasterUserPassword: !Ref DBPassword