Files
mixmaker/backend/cmd/api/main.go
lemintare 1239fcee08
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Initialize project with basic structure, including Docker configuration, backend and frontend setup, environment configuration, and essential files for development.
2026-07-19 00:17:31 +03:00

112 lines
2.9 KiB
Go

package main
import (
"context"
"errors"
"log/slog"
"net/http"
"os"
"os/signal"
"strings"
"syscall"
"time"
"mixmaker/backend/internal/adapter/httpapi"
"mixmaker/backend/internal/adapter/postgres"
"mixmaker/backend/internal/application"
"mixmaker/backend/internal/realtime"
)
func main() {
ctx := context.Background()
databaseURL := required("DATABASE_URL")
if len(os.Args) > 1 && os.Args[1] == "migrate" {
dir := env("MIGRATIONS_DIR", "migrations")
if err := postgres.Migrate(ctx, databaseURL, dir); err != nil {
slog.Error("migration failed", "error", err)
os.Exit(1)
}
slog.Info("migrations applied")
return
}
store, err := postgres.Open(ctx, databaseURL)
if err != nil {
slog.Error("database connection failed", "error", err)
os.Exit(1)
}
defer store.Close()
hub := realtime.New()
service := application.New(store, hub)
cfg := httpapi.Config{
DiscordClientID: required("DISCORD_CLIENT_ID"),
DiscordClientSecret: required("DISCORD_CLIENT_SECRET"),
DiscordRedirectURL: required("DISCORD_REDIRECT_URL"),
FrontendURL: env("FRONTEND_URL", "/"),
CookieName: env("SESSION_COOKIE_NAME", "mixmaker_session"),
SecureCookies: env("COOKIE_SECURE", "true") == "true",
SessionTTL: durationEnv("SESSION_TTL", 7*24*time.Hour),
AdminDiscordIDs: csvSet(os.Getenv("ADMIN_DISCORD_IDS")),
}
server := &http.Server{
Addr: env("HTTP_ADDR", ":8080"),
Handler: httpapi.New(service, store, hub, cfg),
ReadHeaderTimeout: 5 * time.Second,
IdleTimeout: 60 * time.Second,
}
go func() {
slog.Info("API listening", "address", server.Addr)
if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
slog.Error("server failed", "error", err)
os.Exit(1)
}
}()
stop, cancel := signal.NotifyContext(ctx, syscall.SIGINT, syscall.SIGTERM)
defer cancel()
<-stop.Done()
shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 10*time.Second)
defer shutdownCancel()
if err := server.Shutdown(shutdownCtx); err != nil {
slog.Error("graceful shutdown failed", "error", err)
}
}
func required(key string) string {
value := os.Getenv(key)
if value == "" {
slog.Error("required environment variable missing", "key", key)
os.Exit(2)
}
return value
}
func env(key, fallback string) string {
if value := os.Getenv(key); value != "" {
return value
}
return fallback
}
func csvSet(value string) map[string]bool {
out := make(map[string]bool)
for _, item := range strings.Split(value, ",") {
if item = strings.TrimSpace(item); item != "" {
out[item] = true
}
}
return out
}
func durationEnv(key string, fallback time.Duration) time.Duration {
value := os.Getenv(key)
if value == "" {
return fallback
}
parsed, err := time.ParseDuration(value)
if err != nil || parsed <= 0 {
slog.Error("invalid duration environment variable", "key", key, "value", value)
os.Exit(2)
}
return parsed
}