feat(docker): add docker-compose configuration for PostgreSQL, Redis, EZ-API, and Balancer services

docker-compose.yml

@@ -0,0 +1,82 @@
+services:
+  # 1. PostgreSQL Database
+  postgres:
+    image: postgres:15-alpine
+    container_name: ez-postgres
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_DB}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    networks:
+      - ez-network
+
+  # 2. Redis Cache
+  redis:
+    image: redis:7-alpine
+    container_name: ez-redis
+    command: redis-server --appendonly yes
+    volumes:
+      - redis_data:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    networks:
+      - ez-network
+
+  # 3. EZ-API (Control Plane)
+  ez-api:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: ez-api
+    ports:
+      - "${EZ_API_PORT}:${EZ_API_PORT}"
+    environment:
+      EZ_API_PORT: ${EZ_API_PORT}
+      EZ_PG_DSN: ${EZ_PG_DSN}
+      EZ_REDIS_ADDR: ${EZ_REDIS_ADDR}
+      EZ_REDIS_PASSWORD: ${EZ_REDIS_PASSWORD}
+      EZ_REDIS_DB: ${EZ_REDIS_DB}
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    networks:
+      - ez-network
+
+  # 4. Balancer (Data Plane / Gateway)
+  balancer:
+    build:
+      context: ../balancer
+      dockerfile: Dockerfile
+    container_name: ez-balancer
+    ports:
+      - "${EZ_BALANCER_PORT}:${EZ_BALANCER_PORT}"
+    environment:
+      EZ_BALANCER_PORT: ${EZ_BALANCER_PORT}
+      EZ_REDIS_ADDR: ${EZ_REDIS_ADDR}
+      EZ_REDIS_PASSWORD: ${EZ_REDIS_PASSWORD}
+      EZ_REDIS_DB: ${EZ_REDIS_DB}
+    depends_on:
+      redis:
+        condition: service_healthy
+    networks:
+      - ez-network
+
+volumes:
+  postgres_data:
+  redis_data:
+
+networks:
+  ez-network:
+    driver: bridge