ci: Gitea 환경으로 전환 (git.tolelom.xyz 레지스트리, tolchain GitHub 체크아웃)

- Docker registry: ghcr.io → git.tolelom.xyz
- 로그인: GITEA_TOKEN 사용
- tolchain 체크아웃: vars.TOLCHAIN_GITHUB_REPO 로 GitHub에서 가져오기

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -13,10 +13,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Checkout tolchain dependency
+      # tolchain은 GitHub에 위치 — vars.TOLCHAIN_GITHUB_REPO 에 "owner/tolchain" 형태로 설정
+      - name: Checkout tolchain from GitHub
         uses: actions/checkout@v4
         with:
-          repository: ${{ github.repository_owner }}/tolchain
+          repository: ${{ vars.TOLCHAIN_GITHUB_REPO }}
           path: ../tolchain
 
       - uses: actions/setup-go@v5
@@ -42,47 +43,43 @@ jobs:
           name: coverage
           path: coverage.out
 
-  # ── 2. Docker 빌드 & GHCR 푸시 (main 머지 시만) ───────────────────────────
+  # ── 2. Docker 빌드 & Gitea 레지스트리 푸시 (main 머지 시만) ───────────────
   docker:
     needs: test
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
     steps:
-      # Dockerfile이 context 루트에 tolchain/ + a301_server/ 를 기대하므로
-      # 각각 하위 디렉토리로 체크아웃
       - name: Checkout a301_server
         uses: actions/checkout@v4
         with:
           path: a301_server
 
-      - name: Checkout tolchain dependency
+      # tolchain 없이는 Dockerfile이 빌드되지 않으므로 같은 레벨에 체크아웃
+      - name: Checkout tolchain from GitHub
         uses: actions/checkout@v4
         with:
-          repository: ${{ github.repository_owner }}/tolchain
+          repository: ${{ vars.TOLCHAIN_GITHUB_REPO }}
           path: tolchain
 
       - uses: docker/setup-buildx-action@v3
 
       - uses: docker/login-action@v3
         with:
-          registry: ghcr.io
+          registry: git.tolelom.xyz
           username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          password: ${{ secrets.GITEA_TOKEN }}
 
       - uses: docker/build-push-action@v5
         with:
           context: .
           file: ./a301_server/Dockerfile
           push: true
-          tags: ghcr.io/${{ github.repository_owner }}/a301-server:latest
+          tags: git.tolelom.xyz/${{ github.repository_owner }}/a301-server:latest
           platforms: linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
-  # ── 3. 서버 배포 (Docker 푸시 완료 후) ────────────────────────────────────
+  # ── 3. 서버 배포 ──────────────────────────────────────────────────────────
   deploy:
     needs: docker
     runs-on: ubuntu-latest