初始化提交

docker/frontend/Dockerfile

@@ -0,0 +1,50 @@
+# ==============================
+# 琉璃镜 · 魂镜前端镜像（Frontend / Next.js）：Node 22 + pnpm
+# 多阶段构建：deps -> builder -> prod-deps -> runner
+# 启动入口：pnpm start（即 next start，默认端口 3000）
+# 依赖 BuildKit 的 cache mount，Docker 23+ 默认开启；旧版本需设置 DOCKER_BUILDKIT=1。
+# ==============================
+
+# ---------- 基础镜像 ----------
+FROM node:22-alpine AS base
+ENV PNPM_HOME="/pnpm" \
+    PATH="$PNPM_HOME:$PATH" \
+    NEXT_TELEMETRY_DISABLED=1
+RUN corepack enable
+
+# ---------- 全量依赖（用于构建） ----------
+FROM base AS deps
+WORKDIR /app/frontend
+COPY frontend/package.json frontend/pnpm-lock.yaml frontend/pnpm-workspace.yaml ./
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
+    pnpm install --frozen-lockfile
+
+# ---------- 构建 ----------
+FROM base AS builder
+WORKDIR /app/frontend
+COPY --from=deps /app/frontend/node_modules ./node_modules
+COPY frontend/ ./
+# 当前无 public 目录；mkdir 保证 runner 阶段 COPY 不会失败
+RUN mkdir -p public \
+    && pnpm build
+
+# ---------- 仅生产依赖（缩小运行时镜像） ----------
+FROM base AS prod-deps
+WORKDIR /app/frontend
+COPY frontend/package.json frontend/pnpm-lock.yaml frontend/pnpm-workspace.yaml ./
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
+    pnpm install --frozen-lockfile --prod
+
+# ---------- 运行时 ----------
+FROM base AS runner
+WORKDIR /app/frontend
+ENV NODE_ENV=production
+
+COPY --from=prod-deps /app/frontend/node_modules ./node_modules
+COPY --from=builder /app/frontend/.next ./.next
+COPY --from=builder /app/frontend/public ./public
+COPY frontend/package.json frontend/next.config.ts ./
+
+EXPOSE 3000
+
+CMD ["pnpm", "start"]