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📬 Portable message queue written in Rust

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Corinth

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Corinth is a simple and portable message queue server written in Rust.

Features

  • FIFO (strict message order, exactly-once delivery)
  • file system persistence (AOF .jsonl format)
  • explicit message acknowledgment (ack)
  • message deduplication
  • Dead-letter queues (DLQ)
  • Optional queue maximum size
  • JSON REST API

Run

Grab a pre-compiled binary (https://github.com/marvin-j97/corinth/releases).

If you're using an OS other than Windows, Linux, Mac you'll have to build a binary yourself. Run:

(Unix)
./corinth-[version]

(Windows)
corinth-[version].exe
.\corinth-[version].exe

That's it. By default the server runs on port 44444.

By using environment variables, you can change some settings:

Name Description Default
CORINTH_PORT Port the server runs on 44444
CORINTH_BASE_FOLDER Folder where persistent data is stored ./.corinth
CORINTH_COMPACT_INTERVAL Compaction interval (in seconds) 86400

API documentation

See https://marvin-j97.github.io/corinth/api/.

Getting started

Create a queue named 'my-queue'. Queues are persistent by default.

curl -X PUT http://localhost:44444/queue/my-queue

Enqueue an item to queue ('item' can be any JSON object)

curl -X POST http://localhost:44444/queue/my-queue/enqueue -H "Content-Type: application/json" --data "{ \"messages\": [{ \"item\": { \"name\": \"My item\" }, \"deduplication\": null }] }"

Dequeue item from queue

curl -X POST http://localhost:44444/queue/my-queue/dequeue

By default, messages need to be acknowledged, otherwise they will be requeued after a specific timeout. If you don't care about acknowledging, you can acknowledge on dequeuing instead:

curl -X POST http://localhost:44444/queue/my-queue/dequeue?ack=true

Acknowledge message reception

curl -X POST http://localhost:44444/queue/my-queue/[message id]/ack

Build from source

cargo build --release

Docker

https://hub.docker.com/r/dotvirus/corinth

docker pull dotvirus/corinth

Build the image

docker build -t corinth .

Where corinth is the name of the image you are about to create.

Running a new container using the image

docker run -d -it -p 127.0.0.1:8080:44444 --rm --name corinth-queue corinth

To verify if everything worked, open up a browser and enter localhost:8080

Change application port

Use the CORINTH_PORT variable to change the port Corinth will bind to.

docker run -d -it -p 127.0.0.1:8080:22222 --env CORINTH_PORT=22222 --rm --name corinth-queue corinth

Docker persistence

To create a persistent queue within Docker you need to mount a volume and make sure to correctly set the CORINTH_BASE_FOLDER environment variable.

docker run -d -it --env CORINTH_BASE_FOLDER=/corinth/.corinth -p 127.0.0.1:8080:44444 --mount source=corinthvol,target=/corinth --rm --name corinth-queue corinth

Pay attention to the --mount command. This will create a volume and mount it to your Docker container as '/corinth'. In this example, Corinth will store its persistence in the .corinth folder (/corinth/.corinth).

You can inspect the volume details using

docker volume inspect corinthvol

For more details on Docker volumes, check out the official docs here.

Node.js client

https://github.com/marvin-j97/corinth.js