Apollo Federation example

1. Start tailcall subgraph examples:

• cargo run -- start examples/apollo_federation_subgraph_post.graphql
• cargo run -- start examples/apollo_federation_subgraph_user.graphql

2. Run Apollo router by one of the following methods:

• run @apollo/gateway with npm start (with npm install for the first time) from "examples/federation" folder
• start apollo router with rover.sh script (install apollo rover first)

3. Navigate to http://localhost:4000 and execute supergraph queries, see examples

Query examples

{
  posts {
    id
    title
    user {
      id
      name
    }
  }
}