add gitea action

.dockerignore

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+node_modules
+npm-debug.log
+.env
+.env.*
+!.env.example
+.git
+.gitignore
+README.md
+Dockerfile
+.dockerignore
+.nyc_output
+coverage
+.coverage
+*.md
+!README.md
+.DS_Store
+.vscode
+.idea
+*.log

.gitea/workflows/docker.yml

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+name: Build Docker Image
+
+on:
+  push:
+    branches:
+      - main
+      - deploy
+  pull_request:
+    branches:
+      - main
+      - deploy
+  workflow_dispatch: {}  # 手动触发
+
+jobs:
+  build-image:
+    # 这里的标签要和你 act_runner 的 labels 一致
+    # 如果你在 config.yaml 里用的是 ubuntu-latest，就写 ubuntu-latest
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # 如果你只是要在本机打包镜像，不需要 buildx 和任何登录，直接 docker build 即可
+      - name: Build Docker image (local only)
+        run: |
+          # 镜像名字你可以自行修改，例如 gitea/${GITEA_REPO_NAME}:latest
+          IMAGE_NAME="XiaoXice/claude-code-usage-dashboard:latest"
+          echo "Building image ${IMAGE_NAME} ..."
+          docker build -t "${IMAGE_NAME}" .
+
+          echo "Built images:"
+          docker images "${IMAGE_NAME}"

Dockerfile

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+# Use Bun runtime image
+FROM oven/bun:1-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files first for better caching
+COPY package.json bun.lock* ./
+
+# Install dependencies
+RUN bun install --frozen-lockfile
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN bun run build
+
+# Expose port
+EXPOSE 3000
+
+# Set environment to production
+ENV NODE_ENV=production
+
+# Start the application
+CMD ["bun", "start"]