A simple app of gRPC + GraphQL + Go + MongoDB.
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First microservice accepts GraphQL requests from Front-End (Library: github.com/graph-gophers/graphql-go) and send to the second microservice via gRPC.
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Second microservice accepts gRPC requests from the first one and gets/saves it from Mongodb.
MONGO_CONNECT_STRING='mongodb://localhost/awesomedb' docker-compose up --buildcurl -i -H 'Content-Type: application/json' -X POST -d '{"query": "mutation {CreateItem(name:\"Iphone 11\",description:\"Iphone 11 desc\",price:855.69) {id,name,description,price,created_at}}"}' localhost:8080/item curl -i -H 'Content-Type: application/json' -X POST -d '{"query": "query {Item(Id: \"2ba56bfe-5505-416c-a5ba-baaacaffbd88\") {id,name,description,price,created_at}}"}' localhost:8080/item 
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