MYSQL_HOST=127.0.0.1 MYSQL_PORT=3306 MYSQL_USER=root MYSQL_PASSWORD= MYSQL_DATABASE=food_ordering_system ACCESS_TOKEN_SECRET=secret BACKEND_PORT=8081 DB_DSN=mysql://${MYSQL_USER}:${MYSQL_PASSWORD}@tcp(${MYSQL_HOST}:${MYSQL_PORT})/${MYSQL_DATABASE} MIGRATIONS_DIR=backend/database/migration