Save the var result first before concatenating

.github/workflows/actions/deploy-lambda/action.yml

@@ -38,10 +38,17 @@ runs:
       shell: bash
       run: |
         echo "Lambda: ${{ inputs.lambda }}"
-        RESOURCE="${{ inputs.lambda }}"
-        LAMBDA="${{ inputs.lambda }}"
-        echo "RESOURCE=${RESOURCE%%/*}" >> $GITHUB_ENV
-        echo "LAMBDA=${LAMBDA##*/}" >> $GITHUB_ENV
+        
+        # Store the input value in a variable
+        LAMBDA_INPUT="${{ inputs.lambda }}"
+        
+        # Extract RESOURCE and LAMBDA
+        RESOURCE="${LAMBDA_INPUT%%/*}"
+        LAMBDA="${LAMBDA_INPUT##*/}"
+        
+        # Save variables as ENV var
+        echo "RESOURCE=$RESOURCE" >> $GITHUB_ENV
+        echo "LAMBDA=$LAMBDA" >> $GITHUB_ENV
         echo "IMAGE_NAME=${RESOURCE}.${LAMBDA}" >> $GITHUB_ENV
 
     - name: Set reusable variables