Initial template: Vue 3 + FastAPI + SQLite full-stack with K8s deployment

Extracted from oil project — business logic removed, auth/db/deploy infrastructure
generalized with APP_NAME placeholders.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -0,0 +1,22 @@
+name: Deploy Production
+on:
+  push:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: test
+    steps:
+      - uses: actions/checkout@v4
+      - name: Unit tests
+        run: cd frontend && npm ci && npx vitest run
+      - name: Build check
+        run: cd frontend && npm run build
+
+  deploy:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Deploy Production
+        run: python3 scripts/deploy-preview.py deploy-prod

.gitea/workflows/preview.yml

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+name: PR Preview
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, closed]
+
+jobs:
+  test:
+    if: github.event.action != 'closed'
+    runs-on: test
+    steps:
+      - uses: actions/checkout@v4
+      - name: Unit tests
+        run: cd frontend && npm ci && npx vitest run
+
+  deploy-preview:
+    if: github.event.action != 'closed'
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Deploy Preview
+        run: python3 scripts/deploy-preview.py deploy ${{ github.event.pull_request.number }}
+      - name: Comment PR
+        env:
+          GIT_TOKEN: ${{ secrets.GIT_TOKEN }}
+        run: |
+          PR_ID="${{ github.event.pull_request.number }}"
+          curl -sf -X POST \
+            "https://git.euphon.cloud/api/v1/repos/${{ github.repository }}/issues/${PR_ID}/comments" \
+            -H "Authorization: token ${GIT_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "{\"body\": \"Preview: https://pr-${PR_ID}.APP_NAME.oci.euphon.net\n\nDB is a copy of production.\"}" || true
+
+  teardown-preview:
+    if: github.event.action == 'closed'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Teardown
+        run: python3 scripts/deploy-preview.py teardown ${{ github.event.pull_request.number }}
+      - name: Comment PR
+        env:
+          GIT_TOKEN: ${{ secrets.GIT_TOKEN }}
+        run: |
+          PR_ID="${{ github.event.pull_request.number }}"
+          curl -sf -X POST \
+            "https://git.euphon.cloud/api/v1/repos/${{ github.repository }}/issues/${PR_ID}/comments" \
+            -H "Authorization: token ${GIT_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -d "{\"body\": \"Preview torn down.\"}" || true

.gitea/workflows/test.yml

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+name: Test
+on: [push]
+
+jobs:
+  unit-test:
+    runs-on: test
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: cd frontend && npm ci
+
+      - name: Run unit tests
+        run: |
+          cd frontend
+          npx vitest run --reporter=verbose 2>&1 | tee /tmp/vitest-${{ github.sha }}.log
+
+  e2e-test:
+    runs-on: test
+    needs: unit-test
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install frontend
+        run: cd frontend && npm ci
+
+      - name: Install backend
+        run: python3 -m venv /tmp/ci-venv-$$ && . /tmp/ci-venv-$$/bin/activate && pip install -q -r backend/requirements.txt
+
+      - name: Start servers
+        run: |
+          . /tmp/ci-venv-*/bin/activate
+          DB_PATH=/tmp/ci_app_${{ github.run_id }}.db FRONTEND_DIR=/dev/null \
+            nohup uvicorn backend.main:app --port 8000 > /tmp/backend.log 2>&1 &
+          cd frontend && nohup npx vite --port 5173 > /tmp/frontend.log 2>&1 &
+          sleep 4
+          curl -sf http://localhost:8000/api/health
+          curl -sf -o /dev/null http://localhost:5173/
+
+      - name: Run E2E tests
+        run: |
+          cd frontend
+          npx cypress run --config video=false 2>&1 | tee /tmp/cypress-${{ github.sha }}.log
+
+      - name: Cleanup
+        if: always()
+        run: |
+          pkill -f "uvicorn backend" || true
+          pkill -f "node.*vite" || true
+          rm -f /tmp/ci_app_${{ github.run_id }}.db
+
+  build-check:
+    runs-on: test
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build frontend
+        run: cd frontend && npm ci && npm run build