added docker setup

main.go

@@ -8,6 +8,7 @@ import (
 	"mealprep/database"
 	"mealprep/handlers"
 	"net/http"
+	"os"
 	"strings"
 )
 
@@ -15,8 +16,14 @@ func main() {
 	// Print startup banner
 	printBanner()
 
+	// Get database path from environment variable or use default
+	dbPath := os.Getenv("DB_PATH")
+	if dbPath == "" {
+		dbPath = "mealprep.db"
+	}
+
 	// Initialize database
-	if err := database.InitDB("mealprep.db"); err != nil {
+	if err := database.InitDB(dbPath); err != nil {
 		log.Fatalf("Failed to initialize database: %v", err)
 	}
 	defer database.DB.Close()
@@ -48,6 +55,12 @@ func main() {
 	})
 	http.HandleFunc("/logout", handlers.LogoutHandler)
 
+	// Health check endpoint (public, for Docker)
+	http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte("OK"))
+	})
+
 	// Protected routes
 	http.HandleFunc("/", auth.RequireAuth(indexHandler))