Add docker-compose.yml

docker-compose.yml

+version: '3'
+services:
+  postgres:
+    image: postgres
+    ports:
+      - "5432:5432"
+    environment:
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=postgres
+      - POSTGRES_DB=bi_tjv
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+volumes:
+  postgres_data:
+    external: true
\ No newline at end of file