84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package main
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import (
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"context"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"hfb_sys/backend/internal/config"
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"hfb_sys/backend/internal/database"
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"hfb_sys/backend/internal/jobs/ordertimeout"
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"hfb_sys/backend/internal/router"
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"go.uber.org/zap"
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)
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func main() {
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cfg := config.Load()
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logger, err := zap.NewProduction()
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if cfg.AppEnv == "development" {
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logger, err = zap.NewDevelopment()
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}
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if err != nil {
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panic(err)
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}
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defer func() {
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_ = logger.Sync()
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}()
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var deps router.Dependencies
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db, err := database.OpenMySQL(cfg.MySQLDSN)
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if err != nil {
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logger.Warn("mysql unavailable; database-backed APIs will return 503", zap.Error(err))
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} else {
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deps.DB = db
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}
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redisClient, err := database.OpenRedis(context.Background(), database.RedisConfig{
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Addr: cfg.RedisAddr,
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Password: cfg.RedisPassword,
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DB: cfg.RedisDB,
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})
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if err != nil {
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logger.Warn("redis unavailable; redis-backed APIs will return 503", zap.Error(err))
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} else {
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deps.Redis = redisClient
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defer func() {
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_ = redisClient.Close()
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}()
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}
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engine := router.New(cfg, deps, logger)
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jobCtx, stopJobs := context.WithCancel(context.Background())
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defer stopJobs()
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if deps.DB != nil {
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ordertimeout.New(deps.DB, logger).Start(jobCtx)
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}
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server := &http.Server{
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Addr: cfg.AppAddr,
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Handler: engine,
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ReadHeaderTimeout: 5 * time.Second,
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}
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go func() {
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logger.Info("api server starting", zap.String("addr", cfg.AppAddr))
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if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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logger.Fatal("api server failed", zap.Error(err))
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}
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}()
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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stopJobs()
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := server.Shutdown(ctx); err != nil {
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logger.Fatal("api server shutdown failed", zap.Error(err))
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}
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logger.Info("api server stopped")
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}
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