add docker env for integration testing

deploy/testing/docker-compose.yml

@@ -0,0 +1,55 @@
+services:
+  redis:
+    image: redis
+    ports:
+      - "6379:6379"
+
+  db:
+    image: mariadb
+    environment:
+      MARIADB_RANDOM_ROOT_PASSWORD: true
+      MARIADB_DATABASE: system3
+      MARIADB_USER: system3
+      MARIADB_PASSWORD: system3
+    volumes:
+      - mariadb_data:/var/lib/mysql
+    ports:
+      - "3306:3306"
+
+  core:
+    build:
+      context: ../../core
+      dockerfile: ../deploy/testing/Dockerfile.backend
+    command: bash -c 'python manage.py migrate && python /code/server.py'
+    environment:
+      - HTTP_HOST=core
+      - REDIS_HOST=redis
+      - DB_HOST=db
+      - DB_PORT=3306
+      - DB_NAME=system3
+      - DB_USER=system3
+      - DB_PASSWORD=system3
+    volumes:
+      - ../../core:/code
+    ports:
+      - "8000:8000"
+    depends_on:
+      - db
+      - redis
+
+  frontend:
+    build:
+      context: ../../web
+      dockerfile: ../deploy/testing/Dockerfile.frontend
+    command: npm run serve
+    volumes:
+      - ../../web:/web:ro
+      - /web/node_modules
+      - ./vue.config.js:/web/vue.config.js
+    ports:
+      - "8080:8080"
+    depends_on:
+      - core
+
+volumes:
+  mariadb_data: