Basic Apolllo Federation 2 example using Apollo Router (Rust-based binary) and Go services written with gqlgen.
Run docker compose up to run entire stack. For local development see each service individual README.
Open http://localhost:4000 to open Apollo Explorer and query:
query topProducts($limit: Int) {
topProducts(limit: $limit) {
title
description
products {
sku
name
price
description
}
}
}