- add: docker-compose.yml to run the services

- add: .env.example for the config for docker

docker-compose.yml

@@ -0,0 +1,98 @@
+services:
+  auth-service:
+    build:
+      context: ./
+      dockerfile: ./auth-service/Dockerfile
+    ports:
+      - "50051:50051"
+    env_file:
+      - ./auth-service/.env
+      - .env
+    environment:
+      - HEALTH_CHECK_PORT=8080
+    depends_on:
+      - database-service
+      - consul
+
+  api-service:
+    build:
+      context: ./
+      dockerfile: ./api-service/Dockerfile
+    ports:
+      - "8080:8080"
+    env_file:
+      - ./api-service/.env
+      - .env
+    depends_on:
+      - auth-service
+      - consul
+
+  database-service:
+    build:
+      context: ./
+      dockerfile: ./database-service/Dockerfile
+    ports:
+      - "50052:50052"
+    env_file:
+      - ./database-service/.env
+      - .env
+    depends_on:
+      - db
+      - consul
+
+  character-service:
+    build:
+      context: ./
+      dockerfile: ./character-service/Dockerfile
+    ports:
+      - "50053:50053"
+    env_file:
+      - ./character-service/.env
+      - .env
+    depends_on:
+      - auth-service
+      - consul
+
+  world-service:
+    build:
+      context: ./
+      dockerfile: ./world-service/Dockerfile
+    ports:
+      - "50054:50054"
+    env_file:
+      - ./world-service/.env
+      - .env
+    depends_on:
+      - auth-service
+      - consul
+
+  packet-service:
+    build:
+      context: ./
+      dockerfile: ./packet-service/Dockerfile
+    ports:
+      - "4000:4000"
+    env_file:
+      - ./packet-service/.env
+      - .env
+    depends_on:
+      - auth-service
+      - consul
+
+  db:
+    image: postgres:17
+    env_file:
+      - .env
+    ports:
+      - "5432:5432"
+    volumes:
+      - db_data:/var/lib/postgresql/data
+
+  consul:
+    image: consul:1.15.4
+    command: agent -dev -client=0.0.0.0
+    ports:
+      - "8500:8500"
+
+volumes:
+  db_data: