add frontend docker

docker-compose.yml

@@ -41,4 +41,6 @@ services:
         environment:
             - VITE_BACKEND_URL=http://sg-backend:8000
         ports:
-            - "5000:5000"
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+            - "4173:4173"
+        depends_on:
+            - sg-backend
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sg-frontend/Dockerfile

 FROM node
-COPY ./* .
+WORKDIR /app
+COPY . .
 
 RUN npm install
 
-RUN npm run dev
+RUN npm run build
 
-EXPOSE 5000
+EXPOSE 4173
 
-ENV HOST=0.0.0.0
-
-CMD [ "npm", "start" ]
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+CMD ["npm","run", "preview", "--","--host", "0.0.0.0", "--port", "4173"]
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