Grab

Grab: Online store based on Go microservices, GRPC, protobuf, postgresql, elastic search and GraphQL.

create pb files

$ go generate catalog/server.go
$ go generate account/server.go
$ go generate order/server.go

create gqlgen generated file [DO NOT DO THIS]

Note: (first make backup of graph folder before doing so or please do not re-generate this again as this will remove all the modifications made to the resolvers inside this folder, you will be bombarded with errors)

$ sudo go generate graphql/graph/graph.go

update go.mod and go.sum files

$ go mod tidy

Build

install all the dependencies from go.mod into vendor folder

$ go mod vendor
$ docker-compose up -d --build

Open http://localhost:8000/playground in your browser. or Try sending Post request for query and mutation to http://localhost:8000/graphql in postman.

Accesing postgres from docker container

$ docker ps (copy container id where postgres is running)
$ docker exec -it <postgres-container-id-05b3a3471f6f> bash
$root@05b3a3471f6f:/# psql -U <databasename-grab>
$ \dt (look for schema name and table name)
$ SELECT * FROM <schema-name>.<table-name>; (Example: SELECT * FROM public.orders;)
$ \q
$ exit