main에 5 steps behind된 pr_to_trigger_workflow 브랜치 catchup

.github/workflows/01-building-blocks.yaml

@@ -1,5 +1,5 @@
 name: 01 - Building Blocks
-on: push
+on: workflow_dispatch
 
 jobs:
   echo-hello:

.github/workflows/02-workflow-events.yaml

@@ -1,12 +1,5 @@
 name: 02 - Workflow Events
 on:
-  push:
-  pull_request:
-  schedule:
-    - cron: "*/5 0 * * *"
-    # Cron expression
-    # 6개는 optional인데, github actions에서는 5까지만 가능
-    # 매분 은 매 5분부터 supporting됨
   workflow_dispatch:
     # enables manual trigger from clicking UI
 

.github/workflows/03-workflow-runers.yaml

@@ -0,0 +1,30 @@
+name: 03 - Workflow Runners
+
+on: workflow_dispatch
+jobs:
+  ubuntu-echo:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Show OS
+        run: |
+          echo "This job is running on an Ubuntu runner."
+          echo "Runner OS: $RUNNER_OS"
+        # Linux environment variable syntax
+  windows-echo:
+    runs-on: windos-latest
+    steps:
+      - name: Show OS
+        shell: bash
+        # windows powershell에서 environment variable syntax가
+        # $VARIABLE이 아니기 때문에 shell을 bash로 바꿔주는 것
+        # → 각 OS의 shell에 맞는 script문법을 써야합니다
+        run: |
+          echo "This job is running on an Windows runner."
+          echo "Runner OS: $RUNNER_OS"
+  mac-echo:
+    runs-on: macos-latest
+    steps:
+      - name: Show OS
+        run: |
+          echo "This job is running on an MacOs runner."
+          echo "Runner OS: $RUNNER_OS"