Refactor code structure for improved readability and maintainability

docker-compose.yml

@@ -0,0 +1,70 @@
+version: "3.8"
+
+services:
+  # MariaDB Database
+  mariadb:
+    image: mariadb:10.11
+    container_name: low-code-engine-mariadb
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD:-rootpassword}
+      MYSQL_DATABASE: ${DB_DATABASE:-low_code_engine}
+      MYSQL_USER: ${DB_USERNAME:-app_user}
+      MYSQL_PASSWORD: ${DB_PASSWORD:-app_password}
+    ports:
+      - "${DB_PORT:-3306}:3306"
+    volumes:
+      - mariadb_data:/var/lib/mysql
+      - ./docker/mariadb/init:/docker-entrypoint-initdb.d
+    networks:
+      - app-network
+    healthcheck:
+      test:
+        [
+          "CMD",
+          "mysqladmin",
+          "ping",
+          "-h",
+          "localhost",
+          "-u",
+          "root",
+          "-p${DB_ROOT_PASSWORD:-rootpassword}",
+        ]
+      timeout: 5s
+      retries: 10
+      interval: 10s
+
+  # NestJS Application
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: development
+    container_name: low-code-engine-app
+    restart: unless-stopped
+    environment:
+      NODE_ENV: ${NODE_ENV:-development}
+      DB_HOST: mariadb
+      DB_PORT: 3306
+      DB_USERNAME: ${DB_USERNAME:-app_user}
+      DB_PASSWORD: ${DB_PASSWORD:-app_password}
+      DB_DATABASE: ${DB_DATABASE:-low_code_engine}
+    ports:
+      - "${APP_PORT:-3000}:3000"
+    volumes:
+      - .:/usr/src/app
+      - /usr/src/app/node_modules
+    networks:
+      - app-network
+    depends_on:
+      mariadb:
+        condition: service_healthy
+    command: yarn start:dev
+
+volumes:
+  mariadb_data:
+    driver: local
+
+networks:
+  app-network:
+    driver: bridge