fix docker

Dockerfile

@@ -1,4 +1,4 @@
 FROM nginx:alpine
-COPY ./src /usr/share/nginx/html
+COPY ./ /usr/share/nginx/html
 WORKDIR /usr/share/nginx/html
 EXPOSE 80

docker-compose.yml

@@ -1,7 +1,9 @@
 version: "3.3"
 services:
       frontend:
-          image: gantt_app
+          build:
+            context: .
+            dockerfile: Dockerfile
           ports:
             - "8446:80"
           volumes: