diff --git a/.github/workflows/part1/issue-comment.yaml b/.github/workflows/part1/issue-comment.yaml
new file mode 100644
index 000000000..4b04aa860
--- /dev/null
+++ b/.github/workflows/part1/issue-comment.yaml
@@ -0,0 +1,17 @@
+name: issue-comment-workflow
+on: issue_comment
+
+jobs:
+  pr-comment:
+    if: ${{ github.event.issue.pull_request }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: pr comment
+        run: echo ${{ github.event.issue.pull_request }}
+
+  issue-comment:
+    if: ${{ !github.event.issue.pull_request }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: issue comment
+        run: echo ${{ github.event.issue.pull_request }}
diff --git a/.github/workflows/part1/issue.yaml b/.github/workflows/part1/issue.yaml
new file mode 100644
index 000000000..3243dec78
--- /dev/null
+++ b/.github/workflows/part1/issue.yaml
@@ -0,0 +1,15 @@
+name: issue-workflow
+on:
+  issues:
+    types: [opened] # 이슈가 열렸을 때 동작함
+
+jobs:
+  issue-job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: step1
+        run: echo hello world
+      - name: step2
+        run: |
+          echo hello world
+          echo github action
diff --git a/.github/workflows/part1/multiple_event.yaml b/.github/workflows/part1/multiple_event.yaml
new file mode 100644
index 000000000..91b7e303b
--- /dev/null
+++ b/.github/workflows/part1/multiple_event.yaml
@@ -0,0 +1,36 @@
+name: multiple-event-workflow
+on:
+  push:
+  issues:
+    types: [opened] # 다시 공부해야하나
+  workflow_dispatch:
+    inputs:
+      name:
+        description: "set name"
+        required: true
+        default: "github-actions"
+        type: string
+      environment:
+        description: "set env"
+        required: true
+        default: "dev"
+        type: choice
+        options:
+          - dev
+          - qa
+          - prod
+
+jobs:
+  multiple-event-job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: step1
+        run: echo hello world
+      - name: step2
+        run: |
+          echo hello world
+          echo github action
+      - name: echo inputs
+        run: |
+          echo ${{ inputs.name }}
+          echo ${{ inputs.environment }}
diff --git a/.github/workflows/part1/needs.yaml b/.github/workflows/part1/needs.yaml
new file mode 100644
index 000000000..45d4b9f5b
--- /dev/null
+++ b/.github/workflows/part1/needs.yaml
@@ -0,0 +1,37 @@
+# 깃헙 액션 job 간에 종속성을 생성
+# 하나의 job이 다른 job 또는 여러 job이 완료될 때 실행되도록 사용
+# 즉 여러 job의 실행 순서를 조절
+# 테스트 job이 실행되고, 그 job이 성공할 때 배포 job이 실행되도록 구성
+
+name: needs
+on: push
+
+jobs:
+  job1:
+    runs-on: ubuntu-latest
+    steps:
+      - name: echo
+        run: echo "job1 done"
+
+  job2:
+    runs-on: ubuntu-latest
+    needs: [job1]
+    steps:
+      - name: echo
+        run: echo "job1 done"
+
+  job3:
+    runs-on: ubuntu-latest
+    steps:
+      - name: echo
+        run: |
+          echo "job3 failed"
+          exit 1
+
+  job4:
+    runs-on: ubuntu-latest
+    needs: [job3]
+    steps:
+      - name: echo
+        run: |
+          echo "job4 done"
diff --git a/.github/workflows/part1/pull_request.yaml b/.github/workflows/part1/pull_request.yaml
new file mode 100644
index 000000000..763010f66
--- /dev/null
+++ b/.github/workflows/part1/pull_request.yaml
@@ -0,0 +1,15 @@
+name: pull-request-workflow
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  pull-request-job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: step1
+        run: echo hello world
+      - name: step2
+        run: |
+          echo hello world
+          echo github actions
diff --git a/.github/workflows/part1/push.yaml b/.github/workflows/part1/push.yaml
new file mode 100644
index 000000000..e592ec571
--- /dev/null
+++ b/.github/workflows/part1/push.yaml
@@ -0,0 +1,13 @@
+name: push-workflow test test2
+on: push # push 이벤트에 의해서 워크플로우를 트리거함
+
+jobs:
+  push-job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: step1
+        run: echo hello world
+      - name: step2
+        run: |
+          echo hello world
+          echo github actions
diff --git a/.github/workflows/part1/workflow-dispatch.yaml b/.github/workflows/part1/workflow-dispatch.yaml
new file mode 100644
index 000000000..18159d497
--- /dev/null
+++ b/.github/workflows/part1/workflow-dispatch.yaml
@@ -0,0 +1,33 @@
+name: workflow-dispatch
+on:
+  workflow_dispatch:
+    inputs:
+      name:
+        description: "set name"
+        required: true
+        default: "github-actions"
+        type: string
+      environment:
+        description: "set env"
+        required: true
+        default: "dev"
+        type: choice
+        options:
+          - dev
+          - qa
+          - prod
+
+jobs:
+  workflow-dispatch-job:
+    runs-on: ubuntu-latest
+    steps:
+      - name: step1
+        run: echo hello world
+      - name: step2
+        run: |
+          echo hello world
+          echo github action
+      - name: echo inputs
+        run: |
+          echo ${{ inputs.name }}
+          echo ${{ inputs.environment }}
diff --git a/.github/workflows/part2/branch-filter.yaml b/.github/workflows/part2/branch-filter.yaml
new file mode 100644
index 000000000..229064353
--- /dev/null
+++ b/.github/workflows/part2/branch-filter.yaml
@@ -0,0 +1,11 @@
+name: branch-filter
+on:
+  push: # push 이벤트가
+    branches: ["dev"] # dev 에서 일어날 때 일어나는 워크플로우
+
+jobs:
+  branch-filter:
+    runs-on: ubuntu-latest
+    steps:
+      - name: echo
+        run: echo hello
diff --git a/.github/workflows/part2/checkout.yaml b/.github/workflows/part2/checkout.yaml
new file mode 100644
index 000000000..a6dcb1c37
--- /dev/null
+++ b/.github/workflows/part2/checkout.yaml
@@ -0,0 +1,17 @@
+name: checkout
+on: workflow_dispatch
+
+jobs:
+  no-checkout:
+    runs-on: ubuntu-latest
+    steps:
+      - name: check file list
+        run: cat README.md
+
+  checkout:
+    runs-on: ubuntu-latest
+    steps:
+      - name: use checkout action
+        uses: actions/checkout@v4
+      - name: check file list
+        run: cat README.md
diff --git a/.github/workflows/part2/context.yaml b/.github/workflows/part2/context.yaml
new file mode 100644
index 000000000..a23ddf04a
--- /dev/null
+++ b/.github/workflows/part2/context.yaml
@@ -0,0 +1,13 @@
+name: context
+on: workflow_dispatch
+
+jobs:
+  context:
+    runs-on: ubuntu-latest
+    steps:
+      - name: github context
+        run: echo '${{ toJSON(github) }}' # 컨텍스트는 객체라 toJSON으로 변환할 수 있음
+      - name: check github context
+        run: |
+          echo ${{ github.repository }}
+          echo ${{ github.event_name }}
diff --git a/.github/workflows/path-filter.yaml b/.github/workflows/path-filter.yaml
new file mode 100644
index 000000000..f476e2310
--- /dev/null
+++ b/.github/workflows/path-filter.yaml
@@ -0,0 +1,13 @@
+name: path-filter
+on:
+  push:
+    paths:
+      - ".github/workflows/part1/*" # paths에 변경사항이 있을 경우에만 동작하는 이벤트
+      - "!.github/workflows/part1/push.yaml"
+
+jobs:
+  path-filter:
+    runs-on: ubuntu-latest
+    steps:
+      - name: echo hello
+        run: echo hello