Add self-hosted deployment configuration
- Add backend entry point (cmd/server/main.go) - Add prompt=select_account to Google OAuth flow - Add combined init.sql for self-hosted PostgreSQL - Update docker-compose to include backend service with memory limits Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
M1ngdaXie
281
backend/cmd/server/main.go
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281
backend/cmd/server/main.go
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package main
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import (
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"context"
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"flag"
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"fmt"
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"log"
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"net"
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"net/http/pprof"
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"os"
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"strconv"
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"strings"
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"time"
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"runtime"
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"github.com/M1ngdaXie/realtime-collab/internal/auth"
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"github.com/M1ngdaXie/realtime-collab/internal/config"
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"github.com/M1ngdaXie/realtime-collab/internal/handlers"
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"github.com/M1ngdaXie/realtime-collab/internal/hub"
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"github.com/M1ngdaXie/realtime-collab/internal/logger"
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"github.com/M1ngdaXie/realtime-collab/internal/messagebus"
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"github.com/M1ngdaXie/realtime-collab/internal/store"
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"github.com/M1ngdaXie/realtime-collab/internal/workers"
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"github.com/gin-contrib/cors"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"go.uber.org/zap"
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)
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func main() {
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// CLI flags - override env vars
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portFlag := flag.String("port", "", "Server port (overrides PORT env var)")
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flag.Parse()
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// Load configuration
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cfg, err := config.Load(*portFlag)
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if err != nil {
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log.Fatalf("Configuration error: %v", err)
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}
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log.Printf("Configuration loaded (environment: %s, port: %s)", cfg.Environment, cfg.Port)
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// Initialize structured logger
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zapLogger, err := logger.NewLoggerFromEnv()
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if err != nil {
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log.Fatalf("Failed to initialize logger: %v", err)
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}
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defer zapLogger.Sync()
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// Generate unique server ID for this instance
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hostname, _ := os.Hostname()
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serverID := fmt.Sprintf("%s-%s", hostname, uuid.New().String()[:8])
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zapLogger.Info("Server identity", zap.String("server_id", serverID))
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// Initialize MessageBus (Redis or Local fallback)
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var msgBus messagebus.MessageBus
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if cfg.RedisURL != "" {
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redisBus, err := messagebus.NewRedisMessageBus(cfg.RedisURL, serverID, zapLogger)
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if err != nil {
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zapLogger.Warn("Redis unavailable, falling back to local mode", zap.Error(err))
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msgBus = messagebus.NewLocalMessageBus()
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} else {
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msgBus = redisBus
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}
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} else {
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zapLogger.Info("No REDIS_URL configured, using local mode")
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msgBus = messagebus.NewLocalMessageBus()
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}
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defer msgBus.Close()
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// Initialize database
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dbStore, err := store.NewPostgresStore(cfg.DatabaseURL)
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if err != nil {
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log.Fatalf("Failed to initialize database: %v", err)
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}
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defer dbStore.Close()
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log.Println("Database connection established")
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// Initialize WebSocket hub
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wsHub := hub.NewHub(msgBus, serverID, zapLogger)
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go wsHub.Run()
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zapLogger.Info("WebSocket hub started")
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// Start Redis health monitoring (if using Redis)
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if redisBus, ok := msgBus.(*messagebus.RedisMessageBus); ok {
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go redisBus.StartHealthMonitoring(context.Background(), 30*time.Second, func(healthy bool) {
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wsHub.SetFallbackMode(!healthy)
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})
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zapLogger.Info("Redis health monitoring started")
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}
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// Start update persist worker (stream WAL persistence)
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workerCtx, workerCancel := context.WithCancel(context.Background())
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defer workerCancel()
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go workers.StartUpdatePersistWorker(workerCtx, msgBus, dbStore, zapLogger, serverID)
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zapLogger.Info("Update persist worker started")
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// Start periodic session cleanup (every hour)
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go func() {
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ticker := time.NewTicker(1 * time.Hour)
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defer ticker.Stop()
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for range ticker.C {
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if err := dbStore.CleanupExpiredSessions(context.Background()); err != nil {
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log.Printf("Error cleaning up expired sessions: %v", err)
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} else {
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log.Println("Cleaned up expired sessions")
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}
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}
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}()
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log.Println("Session cleanup task started")
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// Initialize handlers
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docHandler := handlers.NewDocumentHandler(dbStore, msgBus, serverID, zapLogger)
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wsHandler := handlers.NewWebSocketHandler(wsHub, dbStore, cfg, msgBus)
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authHandler := handlers.NewAuthHandler(dbStore, cfg)
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authMiddleware := auth.NewAuthMiddleware(dbStore, cfg.JWTSecret, zapLogger)
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shareHandler := handlers.NewShareHandler(dbStore, cfg)
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versionHandler := handlers.NewVersionHandler(dbStore)
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// Setup Gin router
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router := gin.Default()
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// Optional pprof endpoints for profiling under load (guarded by env).
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// Enable with: ENABLE_PPROF=1
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// Optional: PPROF_BLOCK_RATE=1 PPROF_MUTEX_FRACTION=1 (adds overhead; use for short profiling windows).
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if shouldEnablePprof(cfg) {
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blockRate := getEnvInt("PPROF_BLOCK_RATE", 0)
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mutexFraction := getEnvInt("PPROF_MUTEX_FRACTION", 0)
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localOnly := getEnvBool("PPROF_LOCAL_ONLY", true)
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if blockRate > 0 {
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runtime.SetBlockProfileRate(blockRate)
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}
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if mutexFraction > 0 {
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runtime.SetMutexProfileFraction(mutexFraction)
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}
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pprofGroup := router.Group("/debug/pprof")
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if localOnly {
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pprofGroup.Use(func(c *gin.Context) {
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ip := net.ParseIP(c.ClientIP())
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if ip == nil || !ip.IsLoopback() {
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c.AbortWithStatus(403)
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return
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}
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c.Next()
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})
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}
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user, pass := os.Getenv("PPROF_USER"), os.Getenv("PPROF_PASS")
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if user != "" || pass != "" {
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if user == "" || pass == "" {
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zapLogger.Warn("PPROF_USER/PPROF_PASS must both be set; skipping basic auth")
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} else {
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pprofGroup.Use(gin.BasicAuth(gin.Accounts{user: pass}))
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}
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}
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pprofGroup.GET("/", gin.WrapF(pprof.Index))
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pprofGroup.GET("/cmdline", gin.WrapF(pprof.Cmdline))
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pprofGroup.GET("/profile", gin.WrapF(pprof.Profile))
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pprofGroup.GET("/symbol", gin.WrapF(pprof.Symbol))
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pprofGroup.GET("/trace", gin.WrapF(pprof.Trace))
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pprofGroup.GET("/allocs", gin.WrapH(pprof.Handler("allocs")))
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pprofGroup.GET("/block", gin.WrapH(pprof.Handler("block")))
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pprofGroup.GET("/goroutine", gin.WrapH(pprof.Handler("goroutine")))
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pprofGroup.GET("/heap", gin.WrapH(pprof.Handler("heap")))
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pprofGroup.GET("/mutex", gin.WrapH(pprof.Handler("mutex")))
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pprofGroup.GET("/threadcreate", gin.WrapH(pprof.Handler("threadcreate")))
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zapLogger.Info("pprof enabled",
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zap.Bool("local_only", localOnly),
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zap.Int("block_rate", blockRate),
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zap.Int("mutex_fraction", mutexFraction),
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)
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}
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// CORS configuration
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corsConfig := cors.DefaultConfig()
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corsConfig.AllowOrigins = cfg.AllowedOrigins
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corsConfig.AllowMethods = []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"}
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corsConfig.AllowHeaders = []string{"Origin", "Content-Type", "Accept", "Authorization"}
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corsConfig.AllowCredentials = true
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router.Use(cors.New(corsConfig))
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// Health check
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router.GET("/health", func(c *gin.Context) {
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c.JSON(200, gin.H{"status": "ok"})
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})
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// WebSocket endpoint (no auth required, validated in handler)
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router.GET("/ws/:roomId", wsHandler.HandleWebSocket)
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// Load test endpoint - NO AUTH (only for local testing!)
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router.GET("/ws/loadtest/:roomId", wsHandler.HandleWebSocketLoadTest)
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// REST API
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api := router.Group("/api")
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authGroup := api.Group("/auth")
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{
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authGroup.GET("/google", authHandler.GoogleLogin)
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authGroup.GET("/google/callback", authHandler.GoogleCallback)
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authGroup.GET("/github", authHandler.GithubLogin)
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authGroup.GET("/github/callback", authHandler.GithubCallback)
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authGroup.GET("/me", authMiddleware.RequireAuth(), authHandler.Me)
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authGroup.POST("/logout", authMiddleware.RequireAuth(), authHandler.Logout)
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}
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// Document routes with optional auth
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docs := api.Group("/documents")
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{
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docs.GET("", authMiddleware.RequireAuth(), docHandler.ListDocuments)
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docs.GET("/:id", authMiddleware.RequireAuth(), docHandler.GetDocument)
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docs.GET("/:id/state", authMiddleware.OptionalAuth(), docHandler.GetDocumentState)
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// Permission route (supports both auth and share token)
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docs.GET("/:id/permission", authMiddleware.OptionalAuth(), docHandler.GetDocumentPermission)
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docs.POST("", authMiddleware.RequireAuth(), docHandler.CreateDocument)
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docs.PUT("/:id/state", authMiddleware.RequireAuth(), docHandler.UpdateDocumentState)
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docs.DELETE("/:id", authMiddleware.RequireAuth(), docHandler.DeleteDocument)
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// Share routes
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docs.POST("/:id/shares", authMiddleware.RequireAuth(), shareHandler.CreateShare)
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docs.GET("/:id/shares", authMiddleware.RequireAuth(), shareHandler.ListShares)
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docs.DELETE("/:id/shares/:userId", authMiddleware.RequireAuth(), shareHandler.DeleteShare)
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docs.POST("/:id/share-link", authMiddleware.RequireAuth(), shareHandler.CreateShareLink)
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docs.GET("/:id/share-link", authMiddleware.RequireAuth(), shareHandler.GetShareLink)
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docs.DELETE("/:id/share-link", authMiddleware.RequireAuth(), shareHandler.RevokeShareLink)
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// Version history routes
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docs.POST("/:id/versions", authMiddleware.RequireAuth(), versionHandler.CreateVersion)
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docs.GET("/:id/versions", authMiddleware.RequireAuth(), versionHandler.ListVersions)
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docs.GET("/:id/versions/:versionId/snapshot", authMiddleware.RequireAuth(), versionHandler.GetVersionSnapshot)
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docs.POST("/:id/restore", authMiddleware.RequireAuth(), versionHandler.RestoreVersion)
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}
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// Start server
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log.Printf("Server starting on port %s", cfg.Port)
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if err := router.Run(":" + cfg.Port); err != nil {
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log.Fatalf("Failed to start server: %v", err)
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}
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}
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func shouldEnablePprof(cfg *config.Config) bool {
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if cfg == nil || cfg.IsProduction() {
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return false
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}
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return getEnvBool("ENABLE_PPROF", false)
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}
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func getEnvBool(key string, defaultValue bool) bool {
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value, ok := os.LookupEnv(key)
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if !ok {
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return defaultValue
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}
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switch strings.ToLower(strings.TrimSpace(value)) {
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case "1", "true", "t", "yes", "y", "on":
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return true
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case "0", "false", "f", "no", "n", "off":
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return false
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default:
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return defaultValue
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}
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}
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func getEnvInt(key string, defaultValue int) int {
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value, ok := os.LookupEnv(key)
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if !ok {
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return defaultValue
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}
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parsed, err := strconv.Atoi(strings.TrimSpace(value))
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if err != nil {
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return defaultValue
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}
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return parsed
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}
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