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# Imports the base schema for workerd configuration files.
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# Refer to the comments in /src/workerd/server/workerd.capnp for more details.
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using Workerd = import "/workerd/workerd.capnp";
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# A constant of type Workerd.Config defines the top-level configuration for an
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# instance of the workerd runtime. A single config file can contain multiple
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# Workerd.Config definitions and must have at least one.
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const helloWorldExample :Workerd.Config = (
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  # Every workerd instance consists of a set of named services. A worker, for instance,
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  # is a type of service. Other types of services can include external servers, the
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  # ability to talk to a network, or accessing a disk directory. Here we create a single
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  # worker service. The configuration details for the worker are defined below.
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  services = [ (name = "main", worker = .helloWorld) ],
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  # Every configuration defines the one or more sockets on which the server will listene.
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  # Here, we create a single socket that will listen on localhost port 8080, and will
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  # dispatch to the "main" service that we defined above.
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  sockets = [ ( name = "http", address = "*:8080", http = (), service = "main" ) ]
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);
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# The definition of the actual helloWorld worker exposed using the "main" service.
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# In this example the worker is implemented as a single simple script (see worker.js).
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# The compatibilityDate is required. For more details on compatibility dates see:
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#   https://developers.cloudflare.com/workers/platform/compatibility-dates/
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const helloWorld :Workerd.Worker = (
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  modules = [
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    (name = "worker", esModule = embed "worker.js")
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  ],
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  compatibilityDate = "2023-02-28",
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  # Only ask for workerd's implementation of `node:async_hooks`'s AsyncLocalStorage, 
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  # instead of all of the node compatibility APIs, provided by `nodejs_compat`. See:
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  # https://developers.cloudflare.com/workers/configuration/compatibility-dates/#nodejs-compatibility-flag
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  compatibilityFlags = ["nodejs_als"]
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);