feat(val-blog): add 2026-04-30 dream journey post

2026-08-13 17:00:22 +08:00
parent 691f96e8a6
commit 81978704fc
941 changed files with 195468 additions and 755 deletions
@@ -0,0 +1,167 @@
+#!/bin/bash
+set -e
+
+# 蓝绿部署脚本（Caddy 版本）
+# 用法: ./deploy.sh [blue|green]
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+# 颜色定义
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# 日志函数
+log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
+log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
+log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
+
+# 自动发现 Docker 网络名（兼容 docker compose 前缀）
+detect_network() {
+    local net
+    net=$(docker network ls --format "{{.Name}}" | grep -E '^(gch3n-infra_)?gch3n-network$' | head -1 || true)
+    if [ -z "$net" ]; then
+        # 回退到默认 bridge，避免脚本直接失败
+        net="bridge"
+        log_warn "未发现 gch3n-network，回退使用 bridge 网络"
+    fi
+    echo "$net"
+}
+
+# 获取当前活跃的环境
+get_active_color() {
+    local active=$(docker ps --filter "name=app-" --format "{{.Names}}" | grep -E "app-(blue|green)" | head -1)
+    if [ -z "$active" ]; then
+        echo "none"
+    else
+        echo "$active" | sed 's/app-//'
+    fi
+}
+
+# 健康检查（主机侧）
+check_health() {
+    local color=$1
+    local port=$2
+    local max_attempts=30
+    local attempt=0
+
+    log_info "检查 $color 健康状态 (127.0.0.1:$port)..."
+
+    while [ $attempt -lt $max_attempts ]; do
+        if curl -fsS "http://127.0.0.1:$port/health" >/dev/null 2>&1; then
+            log_info "$color 健康检查通过 ✓"
+            return 0
+        fi
+
+        attempt=$((attempt + 1))
+        log_warn "健康检查尝试 $attempt/$max_attempts 失败，等待 2 秒..."
+        sleep 2
+    done
+
+    log_error "$color 健康检查失败 ✗"
+    return 1
+}
+
+# 部署到指定环境
+deploy_to() {
+    local target_color=$1
+    local target_port=$2
+    local other_color=$3
+    local network_name=$4
+
+    log_info "开始部署到 $target_color 环境..."
+
+    # 1. 构建新镜像
+    log_info "构建 Docker 镜像..."
+    docker build -t "gch3n/app:$target_color" -t "gch3n/app:latest" ./app
+
+    # 2. 停止目标环境（如果存在）
+    if docker ps -q --filter "name=app-$target_color" | grep -q .; then
+        log_warn "停止现有的 $target_color 容器..."
+        docker stop "app-$target_color" || true
+        docker rm "app-$target_color" || true
+    fi
+
+    # 3. 启动新容器
+    log_info "启动 $target_color 容器（network=$network_name）..."
+    docker run -d \
+        --name "app-$target_color" \
+        --network "$network_name" \
+        -p "127.0.0.1:$target_port:$target_port" \
+        -e "PORT=$target_port" \
+        -e "DEPLOY_COLOR=$target_color" \
+        --health-cmd="wget --quiet --tries=1 --spider http://localhost:$target_port/health || exit 1" \
+        --health-interval=10s \
+        --health-timeout=5s \
+        --health-retries=3 \
+        --health-start-period=10s \
+        --restart=unless-stopped \
+        "gch3n/app:$target_color"
+
+    # 4. 健康检查
+    if ! check_health "$target_color" "$target_port"; then
+        log_error "$target_color 部署失败，执行回滚..."
+        docker stop "app-$target_color" || true
+        docker rm "app-$target_color" || true
+
+        if [ "$other_color" != "none" ]; then
+            log_warn "保持 $other_color 环境运行"
+        fi
+        exit 1
+    fi
+
+    # 5. 停止旧环境（Caddy 会自动只转发健康后端）
+    if [ "$other_color" != "none" ] && [ "$other_color" != "$target_color" ]; then
+        log_info "停止旧环境 $other_color..."
+        docker stop "app-$other_color" || true
+        docker rm "app-$other_color" || true
+    fi
+
+    log_info "部署完成！当前活跃环境: $target_color"
+    log_info "Caddy 会自动反代到健康实例，访问: https://app.gch3n.online"
+}
+
+# 主逻辑
+main() {
+    log_info "========================================"
+    log_info "   gch3n.online 蓝绿部署脚本 (Caddy)"
+    log_info "========================================"
+
+    local network_name
+    network_name=$(detect_network)
+
+    # 获取当前活跃环境
+    local active=$(get_active_color)
+    log_info "当前活跃环境: $active"
+
+    # 确定目标环境
+    local target=$1
+    if [ -z "$target" ]; then
+        # 自动选择非活跃环境
+        if [ "$active" = "blue" ]; then
+            target="green"
+        else
+            target="blue"
+        fi
+        log_info "自动选择目标环境: $target"
+    fi
+
+    # 验证参数
+    if [ "$target" != "blue" ] && [ "$target" != "green" ]; then
+        log_error "无效的环境: $target，只能是 blue 或 green"
+        exit 1
+    fi
+
+    # 确定端口
+    local target_port=3001
+    [ "$target" = "green" ] && target_port=3002
+
+    # 执行部署
+    deploy_to "$target" "$target_port" "$active" "$network_name"
+}
+
+# 执行
+main "$@"
+