feat: add database migrations and enhance Makefile with environment loading

Makefile

@@ -1,6 +1,12 @@
 # ULFlow Golang Starter Kit Makefile
 # Provides common commands for development, testing, and deployment
 
+# Load environment variables from .env file
+ifneq (,$(wildcard ./.env))
+    include .env
+    export
+endif
+
 .PHONY: help init dev test lint build clean docker-build docker-run docker-clean docker-prune docker-compose-up docker-compose-down docker-compose-prod-up docker-compose-prod-down ci setup-git all
 
 # Default target executed when no arguments are given to make.
@@ -164,7 +170,9 @@ migrate-create:
 
 # Run migrations up
 m-up:
-	@echo "Running migrations..."
+	@echo "Running migrations with user: $(DATABASE_USERNAME)"
+	@echo "Database: $(DATABASE_NAME) on $(DATABASE_HOST):$(DATABASE_PORT)"
+	@echo "Using connection string: postgres://$(DATABASE_USERNAME):*****@$(DATABASE_HOST):$(DATABASE_PORT)/$(DATABASE_NAME)?sslmode=disable"
 	@migrate -path migrations -database "postgres://$(DATABASE_USERNAME):$(DATABASE_PASSWORD)@$(DATABASE_HOST):$(DATABASE_PORT)/$(DATABASE_NAME)?sslmode=disable" up
 
 # Run migrations down
@@ -180,6 +188,11 @@ m-reset: m-down m-up
 m-status:
 	@migrate -path migrations -database "postgres://$(DATABASE_USERNAME):$(DATABASE_PASSWORD)@$(DATABASE_HOST):$(DATABASE_PORT)/$(DATABASE_NAME)?sslmode=disable" version
 
+# Force migration to specific version (fix dirty state)
+m-force:
+	@echo "Forcing migration to version $(version)..."
+	@migrate -path migrations -database "postgres://$(DATABASE_USERNAME):$(DATABASE_PASSWORD)@$(DATABASE_HOST):$(DATABASE_PORT)/$(DATABASE_NAME)?sslmode=disable" force $(version)
+
 # Run application (default: without hot reload)
 run:
 	go run ./cmd/app/main.go

migrations/000001_create_roles_table.up.sql

@@ -1,5 +1,8 @@
 -- +goose Up
 -- +goose StatementBegin
+-- Enable UUID extension
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
 CREATE TABLE roles (
     id SERIAL PRIMARY KEY,
     name VARCHAR(50) UNIQUE NOT NULL,

migrations/000002_create_users_table.up.sql

@@ -1,5 +1,8 @@
 -- +goose Up
 -- +goose StatementBegin
+-- Ensure UUID extension is available
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
 CREATE TABLE users (
     id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
     username VARCHAR(50) UNIQUE NOT NULL,

migrations/000003_create_user_roles_table.up.sql

@@ -1,17 +1,32 @@
 -- +goose Up
 -- +goose StatementBegin
-CREATE TABLE user_roles (
+
+-- Tạo bảng mà không có ràng buộc
+CREATE TABLE IF NOT EXISTS user_roles (
     user_id UUID NOT NULL,
     role_id INTEGER NOT NULL,
     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY (user_id, role_id),
-    CONSTRAINT fk_user_roles_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
-    CONSTRAINT fk_user_roles_role FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE
+    PRIMARY KEY (user_id, role_id)
 );
 
--- Create index for better query performance
+-- Tạo index cho hiệu suất truy vấn tốt hơn
 CREATE INDEX idx_user_roles_user_id ON user_roles(user_id);
 CREATE INDEX idx_user_roles_role_id ON user_roles(role_id);
+
+-- Thêm ràng buộc khóa ngoại nếu bảng tồn tại
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'users') THEN
+        ALTER TABLE user_roles ADD CONSTRAINT fk_user_roles_user 
+            FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+    END IF;
+    
+    IF EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'roles') THEN
+        ALTER TABLE user_roles ADD CONSTRAINT fk_user_roles_role 
+            FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE;
+    END IF;
+END
+$$;
 -- +goose StatementEnd
 
 -- +goose Down