apollo-server部署到heroku后，"收到状态代码400"。

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如果我运行localy npm start - 一切都很好

如果我运行git subtree push --prefix server heroku-server master - 构建成功！

我打开https://tmdb-apollo.herokuapp.com/ - "error": "Response not successful: Received status code 400"

如果我仍然进行查询或突变 - 它可以工作！魔法！ (但是我没有自动完成，右侧的shema侧边栏总是在旋转)

我怀疑这与我的MongoDB连接设置有关

推荐答案

已经将近3天了，直到我找到了一个解决方案: 需要添加introspection: true

// Set up Apollo Server
const server = new ApolloServer({
  typeDefs,
  resolvers,
  dataSources,
  context,
  introspection: true,
})

If I run localy npm start - everything is ok

If I run git subtree push --prefix server heroku-server master - Build succeeded!

When I open https://tmdb-apollo.herokuapp.com/ - "error": "Response not successful: Received status code 400"

If I still do a query or mutation - it works! magic! (but I do not have autocomplete and shema sidebar on the right is always spinning)

Github repo here

I suspect it has something to do with my MongoDB connection setup

It's been nearly 3 days till I found a solution: Need to add introspection: true

// Set up Apollo Server
const server = new ApolloServer({
  typeDefs,
  resolvers,
  dataSources,
  context,
  introspection: true,
})

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