| 1 | import * as AWS from "alchemy/AWS"; |
| 2 | import * as Kubernetes from "alchemy/Kubernetes"; |
| 3 | import * as Effect from "effect/Effect"; |
| 4 | |
| 5 | /** |
| 6 | * Shared infrastructure for the guestbook app. |
| 7 | * |
| 8 | * Each export is an Effect that declares a resource. Resources are memoized |
| 9 | * by logical id, so these can be yielded from the stack program AND from a |
| 10 | * workload's props/init effect (e.g. `Api` targets the cluster and binds the |
| 11 | * table) and always converge on the same single resource instance. |
| 12 | */ |
| 13 | |
| 14 | /** |
| 15 | * A dedicated VPC with two public subnets (one per AZ — an internet-facing |
| 16 | * NLB requires two AZs). No NAT: Auto Mode nodes launch in the public |
| 17 | * subnets so they can pull images from ECR. |
| 18 | */ |
| 19 | export const GuestbookNetwork = AWS.EC2.Network("GuestbookNetwork", { |
| 20 | cidrBlock: "10.71.0.0/16", |
| 21 | availabilityZones: 2, |
| 22 | }); |
| 23 | |
| 24 | /** |
| 25 | * The EKS cluster every workload in this app runs on. `compute: "auto"` is |
| 26 | * EKS Auto Mode in one prop: the provider creates and owns the cluster + |
| 27 | * node IAM roles and enables managed compute, block storage, and elastic |
| 28 | * load balancing — no nodegroups, no addons, no controllers to install. |
| 29 | */ |
| 30 | export const GuestbookCluster = Effect.gen(function* () { |
| 31 | const network = yield* GuestbookNetwork; |
| 32 | return yield* AWS.EKS.Cluster("GuestbookCluster", { |
| 33 | compute: "auto", |
| 34 | resourcesVpcConfig: { |
| 35 | subnetIds: network.publicSubnetIds, |
| 36 | endpointPublicAccess: true, |
| 37 | endpointPrivateAccess: true, |
| 38 | }, |
| 39 | }); |
| 40 | }); |
| 41 | |
| 42 | /** The guestbook table. Items are keyed `pk = entry#<id>`. */ |
| 43 | export const EntriesTable = AWS.DynamoDB.Table("EntriesTable", { |
| 44 | partitionKey: "pk", |
| 45 | attributes: { pk: "S" }, |
| 46 | }); |
| 47 | |
| 48 | /** |
| 49 | * The `guestbook` namespace, applied as a RAW MANIFEST via `Kubernetes.Manifest` |
| 50 | * (server-side apply) — a literal Kubernetes object. Workloads reference |
| 51 | * `ns.name` so they deploy after the namespace exists. |
| 52 | */ |
| 53 | export const GuestbookNamespace = Effect.gen(function* () { |
| 54 | const cluster = yield* GuestbookCluster; |
| 55 | return yield* Kubernetes.Manifest("GuestbookNamespace", { |
| 56 | cluster, |
| 57 | manifest: { |
| 58 | apiVersion: "v1", |
| 59 | kind: "Namespace", |
| 60 | metadata: { |
| 61 | name: "guestbook", |
| 62 | labels: { "app.kubernetes.io/part-of": "guestbook" }, |
| 63 | }, |
| 64 | }, |
| 65 | }); |
| 66 | }); |