| 1 | import * as Cloudflare from "@/Cloudflare"; |
| 2 | import { Layer } from "effect"; |
| 3 | import * as Effect from "effect/Effect"; |
| 4 | import * as HttpClientRequest from "effect/http/HttpClientRequest"; |
| 5 | |
| 6 | export class ExternalContainer extends Cloudflare.Container<ExternalContainer>()( |
| 7 | "ExternalContainer", |
| 8 | { |
| 9 | // Use a template string rather than `path.join(import.meta.dirname, …)`: |
| 10 | // this module is bundled into the Worker (it defines the DO), and |
| 11 | // `import.meta.dirname` is `undefined` in the Worker runtime — calling |
| 12 | // `path.join(undefined, …)` there throws a ScriptStartupError at module |
| 13 | // load. `context` is only consumed at build time, so a plain string is |
| 14 | // sufficient and never evaluates `path.join` at runtime. |
| 15 | context: `${import.meta.dirname}/context`, |
| 16 | observability: { logs: { enabled: true } }, |
| 17 | }, |
| 18 | ) {} |
| 19 | |
| 20 | /** |
| 21 | * Durable Object that binds and starts the {@link ExternalContainer} and |
| 22 | * proxies an HTTP request to the nginx server running on port 8080 inside it. |
| 23 | */ |
| 24 | export class ExternalContainerObject extends Cloudflare.DurableObject<ExternalContainerObject>()( |
| 25 | "ExternalContainerObject", |
| 26 | Effect.gen(function* () { |
| 27 | const container = yield* ExternalContainer; |
| 28 | |
| 29 | return Effect.gen(function* () { |
| 30 | const { fetch } = yield* container.getTcpPort(8080); |
| 31 | |
| 32 | return { |
| 33 | hello: Effect.fn("hello")(function* () { |
| 34 | const response = yield* fetch( |
| 35 | HttpClientRequest.get("http://container/"), |
| 36 | ); |
| 37 | return yield* response.text; |
| 38 | }), |
| 39 | }; |
| 40 | }); |
| 41 | }).pipe( |
| 42 | Effect.provide( |
| 43 | Layer.mergeAll( |
| 44 | Cloudflare.Containers.layer(ExternalContainer, { |
| 45 | enableInternet: true, |
| 46 | }), |
| 47 | ), |
| 48 | ), |
| 49 | ), |
| 50 | ) {} |