120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log/slog"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
"time"
|
|
|
|
"github.com/go-chi/chi/v5"
|
|
"github.com/go-chi/chi/v5/middleware"
|
|
"github.com/go-chi/cors"
|
|
"github.com/joho/godotenv"
|
|
|
|
"git.seaofstars.xyz/mohd/deflated/internal/db"
|
|
"git.seaofstars.xyz/mohd/deflated/internal/handlers"
|
|
)
|
|
|
|
func main() {
|
|
// Load .env file if present (ignored in production)
|
|
_ = godotenv.Load()
|
|
|
|
// Structured logger — prints human-readable text locally, JSON in prod
|
|
logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
|
|
Level: slog.LevelDebug,
|
|
}))
|
|
slog.SetDefault(logger)
|
|
|
|
// Connect to Postgres
|
|
pool, err := db.Connect(os.Getenv("DATABASE_URL"))
|
|
if err != nil {
|
|
slog.Error("failed to connect to database", "error", err)
|
|
os.Exit(1)
|
|
}
|
|
defer pool.Close()
|
|
|
|
// Run migrations on startup
|
|
if err := db.Migrate(pool); err != nil {
|
|
slog.Error("failed to run migrations", "error", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
// Wire up dependencies
|
|
queries := db.New(pool)
|
|
receiptHandler := handlers.NewReceiptHandler(queries)
|
|
itemHandler := handlers.NewItemHandler(queries)
|
|
|
|
// Build router
|
|
r := chi.NewRouter()
|
|
|
|
// Middleware stack (runs for every request, in order)
|
|
r.Use(middleware.RequestID) // adds X-Request-ID header
|
|
r.Use(middleware.RealIP) // reads X-Forwarded-For for real client IP
|
|
r.Use(middleware.Logger) // logs method, path, status, duration
|
|
r.Use(middleware.Recoverer) // catches panics, returns 500 instead of crashing
|
|
r.Use(middleware.Compress(5)) // gzip responses
|
|
|
|
r.Use(cors.Handler(cors.Options{
|
|
AllowedOrigins: []string{"http://localhost:5173", os.Getenv("FRONTEND_URL")},
|
|
AllowedMethods: []string{"GET", "POST", "OPTIONS"},
|
|
AllowedHeaders: []string{"Accept", "Content-Type"},
|
|
}))
|
|
|
|
// Routes
|
|
r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
|
|
w.WriteHeader(http.StatusOK)
|
|
fmt.Fprint(w, "ok")
|
|
})
|
|
|
|
r.Route("/api", func(r chi.Router) {
|
|
r.Post("/receipts", receiptHandler.Submit)
|
|
r.Get("/receipts/{id}", receiptHandler.Get)
|
|
|
|
r.Get("/items", itemHandler.List)
|
|
r.Get("/items/{name}/history", itemHandler.PriceHistory)
|
|
r.Get("/items/top-movers", itemHandler.TopMovers)
|
|
|
|
r.Get("/inflation/summary", itemHandler.InflationSummary)
|
|
})
|
|
|
|
// Server with graceful shutdown
|
|
port := os.Getenv("PORT")
|
|
if port == "" {
|
|
port = "8080"
|
|
}
|
|
|
|
srv := &http.Server{
|
|
Addr: ":" + port,
|
|
Handler: r,
|
|
ReadTimeout: 15 * time.Second,
|
|
WriteTimeout: 30 * time.Second,
|
|
IdleTimeout: 60 * time.Second,
|
|
}
|
|
|
|
// Start server in background goroutine
|
|
go func() {
|
|
slog.Info("server starting", "port", port)
|
|
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
|
|
slog.Error("server error", "error", err)
|
|
os.Exit(1)
|
|
}
|
|
}()
|
|
|
|
// Block until SIGINT or SIGTERM (Ctrl+C or `docker stop`)
|
|
quit := make(chan os.Signal, 1)
|
|
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
|
|
<-quit
|
|
|
|
slog.Info("shutting down gracefully...")
|
|
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
|
defer cancel()
|
|
|
|
if err := srv.Shutdown(ctx); err != nil {
|
|
slog.Error("forced shutdown", "error", err)
|
|
}
|
|
}
|