Simplify Dockerfile and GitHub Actions workflow for single-stage Docker build

.github/workflows/docker-build.yml

@@ -19,6 +19,65 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      # 设置 Go 环境
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+
+      # 构建后端
+      - name: Build backend
+        run: |
+          cd backend
+          go build -o main .
+
+      # 设置 Node.js 环境
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          cache: 'npm'
+          cache-dependency-path: frontend/package-lock.json
+
+      # 构建前端
+      - name: Build frontend
+        run: |
+          cd frontend
+          npm ci
+          npm run build
+
+      # 创建 nginx 配置
+      - name: Create nginx config
+        run: |
+          mkdir -p backend/config
+          cat > backend/config/nginx.conf << 'EOL'
+          worker_processes auto;
+          events {
+              worker_connections 1024;
+          }
+          http {
+              include       /etc/nginx/mime.types;
+              default_type  application/octet-stream;
+              sendfile        on;
+              keepalive_timeout  65;
+              gzip  on;
+              server {
+                  listen       80;
+                  server_name  localhost;
+                  location / {
+                      root   /app/frontend;
+                      index  index.html;
+                      try_files $uri $uri/ /index.html;
+                  }
+                  location /api {
+                      proxy_pass http://localhost:8080;
+                      proxy_set_header Host $host;
+                      proxy_set_header X-Real-IP $remote_addr;
+                  }
+              }
+          }
+          EOL
+
       # 设置 QEMU 以支持多架构构建
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3

Dockerfile

@@ -1,34 +1,4 @@
-# 第一阶段：构建后端
-FROM golang:1.21-alpine AS backend-builder
-
-WORKDIR /app/backend
-
-# 安装依赖
-COPY backend/go.mod backend/go.sum ./
-RUN go mod download
-
-# 复制后端源代码
-COPY backend/ .
-
-# 编译后端
-RUN CGO_ENABLED=0 GOOS=linux go build -o main .
-
-# 第二阶段：构建前端
-FROM node:18-alpine AS frontend-builder
-
-WORKDIR /app/frontend
-
-# 安装依赖
-COPY frontend/package.json frontend/package-lock.json ./
-RUN npm ci
-
-# 复制前端源代码
-COPY frontend/ .
-
-# 构建前端
-RUN npm run build
-
-# 第三阶段：最终镜像
+# 使用 Alpine 作为基础镜像
 FROM alpine:3.18
 
 WORKDIR /app
@@ -36,17 +6,17 @@ WORKDIR /app
 # 安装 nginx
 RUN apk add --no-cache nginx
 
-# 创建数据目录
-RUN mkdir -p /app/data
+# 创建必要的目录
+RUN mkdir -p /app/data /app/frontend
 
 # 复制后端二进制文件
-COPY --from=backend-builder /app/backend/main ./
+COPY backend/main ./
+
+# 复制 nginx 配置
 COPY backend/config/nginx.conf /etc/nginx/nginx.conf
 
 # 复制前端构建产物
-COPY --from=frontend-builder /app/frontend/.next/static /app/frontend/static
-COPY --from=frontend-builder /app/frontend/public /app/frontend/public
-COPY --from=frontend-builder /app/frontend/.next/standalone /app/frontend
+COPY frontend/dist /app/frontend
 
 # 复制启动脚本
 COPY scripts/start.sh ./

backend/config/nginx.conf

@@ -0,0 +1,72 @@
+user  nginx;
+worker_processes  auto;
+
+error_log  /var/log/nginx/error.log notice;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                     '$status $body_bytes_sent "$http_referer" '
+                     '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    tcp_nopush      on;
+    tcp_nodelay     on;
+
+    keepalive_timeout  65;
+
+    gzip  on;
+    gzip_min_length 1k;
+    gzip_comp_level 6;
+    gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;
+    gzip_vary on;
+
+    server {
+        listen       80;
+        server_name  localhost;
+        root         /app/frontend;
+        index        index.html;
+
+        # 前端文件缓存设置
+        location /assets {
+            expires 7d;
+            add_header Cache-Control "public, no-transform";
+        }
+
+        # API 反向代理
+        location /api {
+            proxy_pass http://127.0.0.1:8080;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection 'upgrade';
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_cache_bypass $http_upgrade;
+            proxy_buffering off;
+            proxy_read_timeout 300s;
+        }
+
+        # SPA 路由支持
+        location / {
+            try_files $uri $uri/ /index.html;
+            add_header Cache-Control "no-cache, no-store, must-revalidate";
+        }
+
+        # 错误页面
+        error_page   500 502 503 504  /50x.html;
+        location = /50x.html {
+            root   /usr/share/nginx/html;
+        }
+    }
+}