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AWS Bun Redis

Creates a hit counter app with Bun and Redis.

This deploys Bun as a Fargate service to ECS and it’s linked to Redis.

sst.config.ts
new sst.aws.Service("MyService", {
  cluster,
  loadBalancer: {
    ports: [{ listen: "80/http", forward: "3000/http" }],
  },
  dev: {
    command: "bun dev",
  },
  link: [redis],
});

We also have a couple of scripts. A dev script with a watcher and a build script that used when we deploy to production.

package.json
{
  "scripts": {
    "dev": "bun run --watch index.ts",
    "build": "bun build --target bun index.ts"
  },
}

Since our Redis cluster is in a VPC, we’ll need a tunnel to connect to it from our local machine.

Terminal window
sudo bun sst tunnel install

This needs sudo to create a network interface on your machine. You’ll only need to do this once on your machine.

To start your app locally run.

Terminal window
bun sst dev

Now if you go to http://localhost:3000 you’ll see a counter update as you refresh the page.

Finally, you can deploy it using bun sst deploy --stage production using a Dockerfile that’s included in the example.

sst.config.ts
const vpc = new sst.aws.Vpc("MyVpc", { bastion: true });
const redis = new sst.aws.Redis("MyRedis", { vpc });
const cluster = new sst.aws.Cluster("MyCluster", { vpc });


new sst.aws.Service("MyService", {
  cluster,
  link: [redis],
  loadBalancer: {
    ports: [{ listen: "80/http", forward: "3000/http" }],
  },
  dev: {
    command: "bun dev",
  },
});

View the full example.