add db stuff

docker-compose.yml

@@ -0,0 +1,18 @@
+services:
+  db:
+    image: postgres:latest
+    container_name: postgresql
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: ttdb
+    ports:
+      - "5432:5432"
+    volumes:
+      - ./pg_data:/var/lib/postgresql/data
+      - ./db/init_postgres.sql:/docker-entrypoint-initdb.d/init.sql
+
+volumes:
+  pg_data:
+    driver: local