# Deployer

Deployer is a PHP deployment tool with server provisioning, zero-downtime deployment, and framework recipes.

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## How We Cut Kafka Consumer Deployment Costs by 83%

DevFeed: [How We Cut Kafka Consumer Deployment Costs by 83%](<https://devfeed.tech/articles/how-we-cut-kafka-consumer-deployment-costs-by-83-28062.md>)

Original publisher: [Read original article](<https://tech.trivago.com/post/2026-06-12-how-we-cut-kafka-consumer-deployment-costs-by-83/>)

Author: ZhongLi Shen He creates fantastic software as a backend engineer GitHub profile Linkedin profile

Published: 2026-06-12T00:00:00Z

Content type: tutorial

Language: en

Sources: [Trivago](<https://devfeed.tech/sources/trivago.md>)

Topics: [Kafka](<https://devfeed.tech/topics/kafka.md>), [Deployer](<https://devfeed.tech/topics/deployer.md>), [Deployment](<https://devfeed.tech/topics/deployment.md>), [reactive](<https://devfeed.tech/topics/reactive.md>), [Library](<https://devfeed.tech/topics/library.md>)

Tags: [backend](<https://devfeed.tech/tags/backend.md>), [backpressure](<https://devfeed.tech/tags/backpressure.md>), [debugging](<https://devfeed.tech/tags/debugging.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [java](<https://devfeed.tech/tags/java.md>), [kafka](<https://devfeed.tech/tags/kafka.md>), [library](<https://devfeed.tech/tags/library.md>), [performance](<https://devfeed.tech/tags/performance.md>), [reactive](<https://devfeed.tech/tags/reactive.md>)

### AI overview

This post explains how trivago investigated PSE-kafka's low CPU usage, slow Kafka polling, and consumer lag. The investigation found that replacing the in-house KafkaReceiverFlux with spring-kafka removed the lag, while the team continued looking for a suitable fix that preserved pull-based consumption and backpressure. The changes ultimately cut infrastructure costs by 83% and ended a run of 19 P1 incidents.

### Source excerpt

This post walks through a layered performance investigation that cut PSE-kafka's infrastructure costs by 83% and ended a run of 19 P1 incidents.PSE-kafka (price-search-engine-kafka) i...

## Forge: Zero-Downtime Deployments

DevFeed: [Forge: Zero-Downtime Deployments](<https://devfeed.tech/articles/forge-zero-downtime-deployments-3695.md>)

Original publisher: [Read original article](<https://laravel.com/blog/forge-zero-downtime-deployments>)

Author: James Brooks

Published: 2023-08-17T13:29:00Z

Content type: release

Language: en

Sources: [Laravel Blog](<https://devfeed.tech/sources/laravel-blog.md>)

Topics: [Laravel](<https://devfeed.tech/topics/laravel.md>), [Deployment](<https://devfeed.tech/topics/deployment.md>), [Deployer](<https://devfeed.tech/topics/deployer.md>), [API](<https://devfeed.tech/topics/api.md>), [ci](<https://devfeed.tech/topics/ci.md>), [ssh](<https://devfeed.tech/topics/ssh.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [ci](<https://devfeed.tech/tags/ci.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [laravel](<https://devfeed.tech/tags/laravel.md>), [servers](<https://devfeed.tech/tags/servers.md>), [ssh](<https://devfeed.tech/tags/ssh.md>)

### AI overview

Laravel Forge now natively supports zero-downtime deployments for new sites, removing the need to integrate with Envoyer for single-server deployments. Existing sites cannot enable the feature retroactively, but sites connected to Envoyer can be migrated to Forge. Envoyer remains available for deploying one project across multiple servers, with Forge providing API-token integration, project selection or creation, deployment controls, and a deployment trigger URL for CI environments.

### Source excerpt

Zero-downtime deployments are now native to Laravel Forge, allowing users to avoid even brief milliseconds of downtime. Deployments of sites to multiple servers are available via Envoyer.