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Proxy-Wasm plugin example: Hello World

Proxy-Wasm background service plugin that logs time and random numbers.

Building

$ cargo build --target wasm32-wasip1 --release

Using in Envoy

This example can be run with docker compose and has a matching Envoy configuration.

$ docker compose up

Expected Envoy logs (new line generated every 5s):

[...] wasm log: Hello, World!
[...] wasm log: It's 2022-11-22 03:39:17.849616 UTC, your lucky number is 41.
[...] wasm log: It's 2022-11-22 03:39:22.846531 UTC, your lucky number is 28.
[...] wasm log: It's 2022-11-22 03:39:27.847489 UTC, your lucky number is 102.
[...] wasm log: It's 2022-11-22 03:39:32.848443 UTC, your lucky number is 250.