build: 优化 Docker/Workflow 构建，使用 Next.js 环境变量注入版本和构建时间，并移除对 package.json 的硬编码替换

docker/Dockerfile

@@ -6,10 +6,15 @@ ARG ALPINE_VERSION=3.23
 
 FROM node:${NODE_VERSION}-alpine AS frontend-builder
 
+ARG VERSION=dev
+ARG BUILD_DATE=""
+
 ENV PNPM_HOME="/pnpm"
 ENV PATH="$PNPM_HOME:$PATH"
 ENV NODE_ENV=production
 ENV NEXT_STANDALONE_EXPORT=true
+ENV NEXT_PUBLIC_APP_VERSION=${VERSION}
+ENV NEXT_PUBLIC_APP_BUILD_DATE=${BUILD_DATE}
 
 RUN corepack enable && corepack prepare pnpm@10.10.0 --activate
 
@@ -19,10 +24,13 @@ COPY frontend/package.json frontend/pnpm-lock.yaml ./
 RUN pnpm install --frozen-lockfile
 
 COPY frontend/ ./
+
 RUN pnpm build:embed
 
 FROM golang:${GO_VERSION}-alpine AS backend-builder
 
+ARG VERSION=dev
+
 RUN apk add --no-cache ca-certificates git
 
 WORKDIR /workspace
@@ -36,7 +44,7 @@ COPY --from=frontend-builder /workspace/frontend/out ./internal/router/dist
 RUN CGO_ENABLED=0 GOOS=linux go build \
     -tags embed_frontend \
     -trimpath \
-    -ldflags="-s -w" \
+    -ldflags="-s -w -X github.com/Rain-kl/Wavelet/internal/cmd.Version=${VERSION}" \
     -o /out/wavelet \
     ./main.go
 

docker/Dockerfile.backend

@@ -5,6 +5,8 @@ ARG ALPINE_VERSION=3.23
 
 FROM golang:${GO_VERSION}-alpine AS builder
 
+ARG VERSION=dev
+
 RUN apk add --no-cache ca-certificates git
 
 WORKDIR /workspace
@@ -16,7 +18,7 @@ COPY . .
 
 RUN CGO_ENABLED=0 GOOS=linux go build \
     -trimpath \
-    -ldflags="-s -w" \
+    -ldflags="-s -w -X github.com/Rain-kl/Wavelet/internal/cmd.Version=${VERSION}" \
     -o /out/wavelet \
     ./main.go
 

docker/Dockerfile.cross

@@ -29,11 +29,14 @@ ARG ALPINE_VERSION=3.23
 FROM node:${NODE_VERSION}-alpine AS frontend-builder
 
 ARG VERSION=dev
+ARG BUILD_DATE=""
 
 ENV PNPM_HOME="/pnpm"
 ENV PATH="$PNPM_HOME:$PATH"
 ENV NODE_ENV=production
 ENV NEXT_STANDALONE_EXPORT=true
+ENV NEXT_PUBLIC_APP_VERSION=${VERSION}
+ENV NEXT_PUBLIC_APP_BUILD_DATE=${BUILD_DATE}
 
 RUN corepack enable && corepack prepare pnpm@10.10.0 --activate
 
@@ -45,16 +48,6 @@ RUN pnpm install --frozen-lockfile
 
 COPY frontend/ ./
 
-# Stamp version into package.json when VERSION is not "dev"
-RUN if [ "$VERSION" != "dev" ]; then \
-      node -e " \
-        const fs = require('fs'); \
-        const pkg = require('./package.json'); \
-        pkg.version = process.env.VERSION.replace(/^v/, ''); \
-        fs.writeFileSync('./package.json', JSON.stringify(pkg, null, 2) + '\n'); \
-      "; \
-    fi
-
 RUN pnpm build:embed
 
 # ── Stage 2: Cross-compile Go backend ──────────────────────────────────────

docker/Dockerfile.frontend

@@ -20,6 +20,9 @@ ENV WAVELET_BACKEND_URL=https://build-placeholder-2.invalid
 ARG VERSION=""
 ARG BUILD_DATE=""
 
+ENV NEXT_PUBLIC_APP_VERSION=${VERSION}
+ENV NEXT_PUBLIC_APP_BUILD_DATE=${BUILD_DATE}
+
 WORKDIR /app
 
 COPY frontend/package.json frontend/pnpm-lock.yaml ./
@@ -27,10 +30,6 @@ RUN pnpm install --frozen-lockfile
 
 COPY frontend/ ./
 
-RUN if [ -n "$VERSION" ] || [ -n "$BUILD_DATE" ]; then \
-      VERSION="$VERSION" BUILD_DATE="$BUILD_DATE" node -e "const fs = require('fs'); const pkg = require('./package.json'); const version = process.env.VERSION; const buildDate = process.env.BUILD_DATE; if (version) pkg.version = version; if (buildDate) pkg.buildDate = buildDate; fs.writeFileSync('./package.json', JSON.stringify(pkg, null, 2) + '\\n')"; \
-    fi
-
 RUN pnpm build
 
 RUN grep -rl \