Update Dockerfile

Dockerfile

@@ -18,7 +18,7 @@ RUN pnpm deploy --filter=@imput/cobalt-api --prod /prod/api
 FROM base AS api
 WORKDIR /app
 
-ARG API_URL="https://fuliai-cobalt.hf.space/"
+ARG API_URL="https://playingapi-cobalt.hf.space/"
 ARG API_PORT=7860
 
 ENV API_URL=${API_URL}