gqlgen-graphql-subscriptions

GraphQL Subscriptions with Go and gqlgen

Requirements

• gvm Go 1.23

  gvm install go1.23 --prefer-binary --with-build-tools --with-protobuf
  gvm use go1.23 --default

• gqlgen
• docker
• docker-compose
• nvm

  curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
  nvm install v22.1.0
  nvm use nvm v22.1.0
  cd ./frontend && pnpm install -g yarn

• curl
• jq

Help

$ make
Usage: make COMMAND
Commands :
help             - List available tasks
clean            - Cleanup
generate         - Generate GraphQL go source code
test             - Run tests
build            - Build GraphQL API
run              - Run GraphQL API
image            - Build Docker image
build-frontend   - Build JS client frontend
run-frontend     - Run JS client frontend
image-frontend   - Build JS client Docker image
get              - Download and install packages
deps             - Download and install dependencies
release          - Create and push a new tag. Modify `Version` field in `server.go` as it's used as an actual tag name
update           - Update dependencies to latest versions
version          - Print current version(tag)
redis-up         - Start Redis
redis-down       - Stop Redis

Run

Terminal 1

Start Redis

make redis-up

Terminal 2

Run GraphQL API

make run

Terminal 3

Run JS client frontend. Command below should open a browser at http://localhost:3000. Open another window at http://localhost:3000 post a message and see it appear in the other window.

make run-frontend

References

• https://redis.io/topics/streams-intro
• https://github.com/go-redis/redis
• https://pkg.go.dev/github.com/go-redis/redis/v9
• https://towardsdev.com/scalable-event-streaming-with-redis-streams-and-go-dee5fbe8982c
• https://github.com/gmrdn/redis-streams-go