diff --git a/cmd/api/main.go b/cmd/api/main.go
index 719c7d4..d705063 100644
--- a/cmd/api/main.go
+++ b/cmd/api/main.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"context"
-	"gitlab.mareshq.com/hq/backoffice/backoffice-api/internal/faker"
+	"github.com/jackc/pgx/v5/pgxpool"
 	"gitlab.mareshq.com/hq/backoffice/backoffice-api/internal/server"
 	"gitlab.mareshq.com/hq/backoffice/backoffice-api/internal/training"
 	"log"
@@ -21,13 +21,29 @@ func main() {
 		logger.Fatalf("error: %v\n", err)
 	}
 
-	trainingRepo := training.NewInMemoryRepository()
-	f := faker.NewFaker(trainingRepo)
-	err = f.GenerateFakeData()
+	var connString string
+	connString, ok := os.LookupEnv("DATABASE_URL")
+	if !ok {
+		filePath, ok := os.LookupEnv("DATABASE_URL_FILE")
+		if !ok {
+			logger.Fatalf("error: DATABASE_URL or DATABASE_URL_FILE is not set\n")
+		}
+
+		bytes, err := os.ReadFile(filePath)
+		if err != nil {
+			logger.Fatalf("error: %v\n", err)
+		}
+
+		connString = string(bytes)
+	}
+
+	dbConn, err := pgxpool.New(ctx, connString)
 	if err != nil {
 		logger.Fatalf("error: %v\n", err)
 	}
 
+	trainingRepo := training.NewPostgresRepository(logger, dbConn)
+
 	s := server.NewServer(hostname, logger, trainingRepo)
 	if err := s.Run(ctx); err != nil {
 		logger.Fatalf("error: %v\n", err)