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118 lines
3.6 KiB
Go
118 lines
3.6 KiB
Go
package main
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import (
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"context"
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"log"
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"time"
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"github.com/gofiber/fiber/v3"
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"github.com/gofiber/fiber/v3/middleware/adaptor"
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appq "knowfoolery/backend/services/question-bank-service/internal/application/question"
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qcache "knowfoolery/backend/services/question-bank-service/internal/infra/cache"
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qbconfig "knowfoolery/backend/services/question-bank-service/internal/infra/config"
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qent "knowfoolery/backend/services/question-bank-service/internal/infra/persistence/ent"
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httpapi "knowfoolery/backend/services/question-bank-service/internal/interfaces/http"
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"knowfoolery/backend/shared/infra/auth/zitadel"
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sharedpostgres "knowfoolery/backend/shared/infra/database/postgres"
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sharedredis "knowfoolery/backend/shared/infra/database/redis"
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"knowfoolery/backend/shared/infra/observability/logging"
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sharedmetrics "knowfoolery/backend/shared/infra/observability/metrics"
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"knowfoolery/backend/shared/infra/observability/tracing"
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"knowfoolery/backend/shared/infra/utils/serviceboot"
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"knowfoolery/backend/shared/infra/utils/validation"
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)
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func main() {
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cfg := qbconfig.FromEnv()
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logger := logging.NewLogger(cfg.Logging)
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metrics := sharedmetrics.NewMetrics(cfg.Metrics)
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tracer, err := tracing.NewTracer(cfg.Tracing)
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if err != nil {
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logger.Fatal("failed to initialize tracer")
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}
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defer func() {
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_ = tracer.Shutdown(context.Background())
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}()
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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persistence, err := sharedpostgres.NewClient(ctx, cfg.Postgres)
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if err != nil {
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logger.WithError(err).Fatal("failed to initialize postgres client")
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}
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defer persistence.Close()
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repo := qent.NewQuestionRepository(persistence)
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if err := repo.EnsureSchema(ctx); err != nil {
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logger.WithError(err).Fatal("failed to ensure schema")
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}
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var redisClient *sharedredis.Client
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if c, redisErr := sharedredis.NewClient(cfg.Redis); redisErr == nil {
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redisClient = c
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defer func() { _ = redisClient.Close() }()
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} else {
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logger.WithError(redisErr).Warn("redis unavailable; running with local fallback cache")
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}
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randomCache := qcache.NewRandomQuestionCache(redisClient)
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service := appq.NewService(repo, randomCache, cfg.CacheTTL, cfg.MaxExclude)
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validator := validation.NewValidator()
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handler := httpapi.NewHandler(service, validator, logger, metrics, cfg.BulkMax)
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bootCfg := serviceboot.Config{
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AppName: cfg.AppName,
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ServiceSlug: "question-bank",
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PortEnv: "QUESTION_BANK_PORT",
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DefaultPort: cfg.Port,
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}
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app := serviceboot.NewFiberApp(bootCfg)
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serviceboot.RegisterHealth(app, bootCfg.ServiceSlug)
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serviceboot.RegisterReadiness(
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app,
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2*time.Second,
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serviceboot.ReadyCheck{
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Name: "postgres",
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Required: true,
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Probe: persistence.Pool.Ping,
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},
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serviceboot.ReadyCheck{
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Name: "redis",
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Required: false,
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Probe: func(ctx context.Context) error {
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if redisClient == nil {
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return nil
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}
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return redisClient.HealthCheck(ctx)
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},
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},
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)
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app.Get("/metrics", adaptor.HTTPHandler(sharedmetrics.Handler()))
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adminMiddleware := buildAdminMiddleware(cfg)
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httpapi.RegisterRoutes(app, handler, adminMiddleware)
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addr := serviceboot.ListenAddress(bootCfg.PortEnv, bootCfg.DefaultPort)
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log.Fatal(serviceboot.Run(app, addr))
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}
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func buildAdminMiddleware(cfg qbconfig.Config) fiber.Handler {
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return zitadel.BuildJWTMiddleware(zitadel.MiddlewareFactoryConfig{
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BaseURL: cfg.ZitadelBaseURL,
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ClientID: cfg.ZitadelClientID,
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ClientSecret: cfg.ZitadelSecret,
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Issuer: cfg.ZitadelIssuer,
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Audience: cfg.ZitadelAudience,
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RequiredClaims: []string{
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"sub",
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},
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AdminEndpoints: []string{"/admin"},
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Timeout: 10 * time.Second,
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})
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}
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