RINGUS-21 feat: CI 워크플로 추가

main, develop, feature 브랜치에 대한 CI 워크플로

Author: wodydl0

.github/workflows/ci.yml

@@ -0,0 +1,52 @@
+name: CI Workflow
+
+on:
+  push:
+    branches:
+      - main         # main 브랜치
+      - develop      # develop 브랜치
+      - feature/*    # 모든 feature/* 브랜치
+  pull_request:
+    branches:
+      - main         # main 브랜치로의 PR
+      - develop      # develop 브랜치로의 PR
+      - feature/*    # feature/* 브랜치로의 PR
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. 리포지토리 체크아웃
+      - name: Check out repository
+        uses: actions/checkout@v3
+
+      # 2. JDK 23 설정
+      - name: Set up JDK 23
+        uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: '23'
+
+      # 3. Gradle 캐시 적용
+      - name: Cache Gradle packages
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      # 4. dev.sh 실행 (환경 변수 로드 및 빌드 준비)
+      - name: Run dev.sh
+        run: |
+          chmod +x ./dev.sh    # dev.sh에 실행 권한 부여
+          ./dev.sh             # dev.sh 실행
+
+      # 5. Gradle 빌드 및 테스트 실행
+      - name: Build and Test (Gradle)
+        run: |
+          ./gradlew clean build -x test
+          ./gradlew test