Update README.md

README.md

@@ -112,6 +112,7 @@ deploy_prod:
     - # sync "public/" to the target production server via SSH
   # <condition> to trigger only on a given branch
 ```
+The "deploy_prod" stage shall run only if we're pushing to the main branch.
 
 ### Task #3: test operation ###
 
@@ -120,3 +121,15 @@ deploy_prod:
 Verify that:
   1. The pipeline is correctly triggered on push/commit.
   1. The app is not deployed if the version number is broken.
+  1. The deploy stage is not triggered for commits on a branch different than "main". 
+
+
+### Task #4: parallel jobs ###
+
+**Goal:** Exercise the parallel jobs feature of any pipeline stage. 
+
+Extend the pipeline's "test" stage with a second unit test to be run in parallel.
+
+:question: What happens if only one of the two test jobs fails?
+
+