ADD: docker-compose file for deployment api-server and database

+version: '3'
+
+services:
+  daangn_api:
+    image: daangn-api-server
+    restart: always
+    container_name: daangn-api-server-container
+    ports:
+      - '18080:8080'
+
+  joongna_api:
+    image: joongna-api-server
+    restart: always
+    container_name: joongna-api-server-container
+    ports:
+      - '18081:8080'
+
+  bunjang_api:
+    image: bunjang-api-server
+    restart: always
+    container_name: bunjang-api-server-container
+    ports:
+      - '18082:8080'
+
+  db:
+    image: mamuri-db
+    restart: always
+    container_name: mamuri-db-container
+    ports:
+      - '13060:3306'
+    env_file:
+      - "./mysql_init/.env"
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