Add song & search history (#165)

docker-compose.yml

@@ -25,6 +25,8 @@ services:
     - POSTGRES_DB=${POSTGRES_DB}
     ports:
       - "5432:5432"
+    volumes:
+      - db:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
       interval: 5s
@@ -32,7 +34,7 @@ services:
       retries: 5
 
   front:
-    build: 
+    build:
       context: ./front
       args:
         - API_URL=${API_URL}
@@ -43,3 +45,6 @@ services:
       - "back"
     env_file:
       - .env
+
+volumes:
+  db: