workerd-docker's Introduction

workerd-docker

A simple URL shortener implemented using Workers (workerd) running in Docker/Kubernetes.

See this blog post for some details.

Forked and modifed sample from https://github.com/WalshyDev/workerd-example

Running

To run simply install the dependencies and run workerd :)

Requests are served at http://localhost:8080 (can be changed in config.capnp). Update UPSTASH_REDIS_REST_TOKEN and UPSTASH_REDIS_REST_URL to your Upstash redis details, or to any Redis server credentials with a different provider.

# Install the dependencies (including workerd)
npm i

# Bundle your Worker and start Workerd serving the Worker
npm run dev

Building Docker Image

npm run build

docker build . -t redirect

# Run the image
docker run -d --rm -p 49160:8080 redirect

Testing

Once the Worker is running we can test it!

To create a redirect do a POST to /create like so:

$ curl -X POST -d '{"slug": "test", "destination": "https://pmbanugo.me"}' http://localhost:8080/create

Then to test the redirect simply send a GET request to the slug like so:

$ curl -i http://localhost:8080/test
HTTP/1.1 302 Found
Content-Length: 0
Location: https://pmbanugo.dev

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workerd-docker's Issues

error while loading shared libraries: libunwind.so.1

Hi!

Thanks for this great example repo!

Looks like workerd has been updated recently and now needs one more library:

/usr/src/app/node_modules/@cloudflare/workerd-linux-arm64/bin/workerd: error while loading shared libraries: libunwind.so.1: cannot open shared object file: No such file or directory
node:child_process:910
    throw err;
    ^

Error: Command failed: /usr/src/app/node_modules/@cloudflare/workerd-linux-arm64/bin/workerd serve config.capnp --verbose
    at checkExecSyncError (node:child_process:871:11)
    at Object.execFileSync (node:child_process:907:15)
    at Object.<anonymous> (/usr/src/app/node_modules/workerd/bin/workerd:134:26)
    at Module._compile (node:internal/modules/cjs/loader:1159:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1213:10)
    at Module.load (node:internal/modules/cjs/loader:1037:32)
    at Module._load (node:internal/modules/cjs/loader:878:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
    at node:internal/main/run_main_module:23:47 {
  status: 127,
  signal: null,
  output: [ null, null, null ],
  pid: 96,
  stdout: null,
  stderr: null
}

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