mirror of
https://github.com/R0m1k3/FlowReader.git
synced 2026-10-12 01:38:16 +02:00
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package main
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import (
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"context"
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"log"
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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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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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func main() {
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// Load configuration from environment
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port := getEnv("PORT", "8080")
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dbURL := getEnv("DATABASE_URL", "postgres://flowreader:flowreader@db:5432/flowreader?sslmode=disable")
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// Initialize database connection pool
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ctx := context.Background()
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pool, err := pgxpool.New(ctx, dbURL)
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if err != nil {
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log.Fatalf("Unable to create connection pool: %v", err)
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}
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defer pool.Close()
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// Verify database connection
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if err := pool.Ping(ctx); err != nil {
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log.Fatalf("Unable to ping database: %v", err)
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}
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log.Println("Connected to database")
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// Initialize router
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r := chi.NewRouter()
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// Middleware
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r.Use(middleware.Logger)
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r.Use(middleware.Recoverer)
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r.Use(middleware.RequestID)
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r.Use(middleware.RealIP)
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r.Use(middleware.Timeout(30 * time.Second))
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// Health check endpoint
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r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
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// Check database connection
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if err := pool.Ping(r.Context()); err != nil {
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http.Error(w, "Database connection failed", http.StatusServiceUnavailable)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok","service":"flowreader"}`))
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})
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// API routes placeholder
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r.Route("/api/v1", func(r chi.Router) {
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r.Get("/", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Write([]byte(`{"message":"FlowReader API v1"}`))
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})
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})
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// Create server
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srv := &http.Server{
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Addr: ":" + port,
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Handler: r,
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ReadTimeout: 15 * time.Second,
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WriteTimeout: 15 * time.Second,
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IdleTimeout: 60 * time.Second,
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}
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// Graceful shutdown
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go func() {
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log.Printf("Server starting on port %s", port)
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("Server failed: %v", err)
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}
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}()
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// Wait for interrupt signal
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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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log.Println("Shutting down server...")
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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log.Fatalf("Server forced to shutdown: %v", err)
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}
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log.Println("Server exited properly")
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}
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// getEnv returns the value of an environment variable or a default value
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func getEnv(key, defaultValue string) string {
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if value, exists := os.LookupEnv(key); exists {
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return value
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}
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return defaultValue
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}
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