ADD: added dockerfiles and a logger for the backend

backend/internal/database/database.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"studia/internal/config"
+	"studia/internal/logger"
 
 	_ "github.com/lib/pq" // Import the PostgreSQL driver
 )
@@ -22,7 +23,7 @@ func New(cfg *config.Config) *sql.DB {
 		WHERE table_schema = 'public'
 	`)
 	if err != nil {
-		log.Println("failed to query existing tables:", err)
+		logger.Log.Error().Err(err).Msg("Failed to query existing tables")
 	}
 
 	missing := checkTables(expectedTables, existing)
@@ -32,7 +33,7 @@ func New(cfg *config.Config) *sql.DB {
 		// Here you would normally run migrations to create the missing tables
 		// For simplicity, we just log the missing tables
 	} else {
-		log.Println("All expected tables are present.")
+		logger.Log.Info().Msg("All expected tables are present.")
 	}
 
 	return db
@@ -41,7 +42,7 @@ func New(cfg *config.Config) *sql.DB {
 func setupDatabase(cfg *config.Config) *sql.DB {
 	// Database connection setup logic here
 
-	log.Println(cfg)
+	logger.Log.Println(cfg)
 	switch cfg.DatabaseDriver {
 	case "postgres":
 		// Setup Postgres connection