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christoph-sens/README.md

Hi, I'm Christoph Sens 👋

Freelance IT consultant and developer from Germany. I help teams build, migrate and run software on AWS: backend development in Java and Kotlin (Spring, Quarkus, JEE), single-page apps, CI/CD pipelines, and step-by-step migrations without a big bang. I also coach teams, on site or remotely via pair programming.

🌐 christoph-sens.com · ✍️ Blog · Projektanfragen gern auch auf Deutsch.

Open source: the overflow family

Kotlin libraries for sending SQS and SNS messages larger than the service limit. The payload goes to S3 and only a pointer travels through the queue or topic. Built on aws-sdk-kotlin and coroutines, no Jackson dependency, published on Maven Central with signed build provenance.

Library What it does
s3overflow Payload store: offloads payloads to S3 and resolves pointers Maven Central
sqsoverflow Kotlin port of amazon-sqs-java-extended-client-lib Maven Central
snsoverflow Kotlin port of amazon-sns-java-extended-client-lib Maven Central 
val client = SqsExtendedClient(
    SqsClient.fromEnvironment(),
    SqsExtendedClientConfig(payloadStore = S3BackedPayloadStore(s3Client, bucketName = "my-payload-bucket")),
)
client.sendMessage(SendMessageRequest { queueUrl = myQueueUrl; messageBody = largePayload })

Also: ci-workflows, my shared, SHA-pinned GitHub Actions workflows for Gradle builds, CodeQL, dependency review and container releases.

Pinned Loading

  1. s3overflow s3overflow Public

    Kotlin reimplementation of payload-offloading-java-common-lib-for-aws: offload SQS/SNS payloads to S3

    Kotlin 1

  2. snsoverflow snsoverflow Public

    Kotlin port of amazon-sns-java-extended-client-lib: transparently offloads SNS message payloads exceeding the size limit to S3. Built on aws-sdk-kotlin and coroutines, no Jackson dependency.

    Kotlin 1

  3. sqsoverflow sqsoverflow Public

    Kotlin port of amazon-sqs-java-extended-client-lib: transparently offloads SQS message payloads exceeding the size limit to S3. Built on aws-sdk-kotlin and coroutines, no Jackson dependency.

    Kotlin 1