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starwars-film-service-ts

README.md

Star Wars Film Service in TypeScript

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The film service is not strictly 🧶 Knit, it's just a simple gRPC service written using connect-es, but it's needed for the other parts of the tutorial. Feel free to just run this service and go on to the Knit specific parts. The film service is made to listen on address http://localhost:18001. Look at the process diagram below to see where the film service fits into the bigger picture.

%%{ init: { 'flowchart': { 'curve': 'basis' } } }%%
flowchart LR
A[Knit Client] --> B[Knit Gateway]
subgraph r [Knit Relation Service]
    R{{Relation RPCs}}
end
subgraph f [Film Service]
    F{{Film RPCs}}
end
subgraph s [Starship Service]
    S{{Starship RPCs}}
end
B --> R
B --> F
B --> S
style f stroke:#000,stroke-width:3px
style F stroke:#000,stroke-width:3px
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How to run the code

To run the film service clone the repo using git clone https://github.com/bufbuild/knit.git, then execute the following from the base of the repository (the other services must be running too).

Slack

cd tutorial/starwars-film-service-ts/

npm install
npx tsx fileservice.ts

# Output
Film service starting
Listening on: 127.0.0.1:18001

Open another terminal, and at the base directory do:

buf curl \
"http://localhost:18001/buf.starwars.film.v1.FilmService/GetFilms" \
--data '{"filmIds":["1"]}' \
--http2-prior-knowledge \
--schema tutorial/starwars-film-service-ts/proto/buf/starwars/film/v1/film.proto