Added app

compose/app.yml

@@ -0,0 +1,23 @@
+services:
+  db:
+    image: mysql:latest
+    environment:
+      MYSQL_DATABASE: exemple
+      MYSQL_USER: exemple
+      MYSQL_PASSWORD: exemple
+      MYSQL_ROOT_PASSWORD: root
+    ports:
+      - 3306:3306
+
+  app:
+    build: ./app
+    depends_on:
+      - db
+    enviroment:
+      DB_HOST: db
+      DB_USER: exemple
+      DB_PASSWORD: exemple
+      DB_NAME: exemple
+    command: ["./app/wait-for-it.sh", "db:3306","--","node","index-db.js"]
+    volumes:
+      ./app:/usr/src/app