feat: bootstrap backend with docker and healthcheck

docker-compose.yml

@@ -0,0 +1,34 @@
+version: '3.8'
+
+services:
+  backend:
+    build: ./backend
+    ports:
+      - "8000:8000"
+    environment:
+      - DB_HOST=postgres
+      - DB_USER=${POSTGRES_USER}
+      - DB_PASS=${POSTGRES_PASSWORD}
+      - DB_NAME=${POSTGRES_DB}
+    depends_on:
+      - postgres
+    networks:
+      - card-game-network
+
+  postgres:
+    image: postgres:15-alpine
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=${POSTGRES_DB}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    networks:
+      - card-game-network
+
+networks:
+  card-game-network:
+    driver: bridge
+
+volumes:
+  postgres_data: