Make a fix for common queue timeout issue.

Cargo.lock

@@ -3240,7 +3240,7 @@ checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
 
 [[package]]
 name = "slingshot-microservice"
-version = "0.1.0"
+version = "0.1.7"
 dependencies = [
  "anyhow",
  "aws-config",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "slingshot-microservice"
-version = "0.1.0"
+version = "0.1.7"
 edition = "2021"
 description = "Opinionated Rust framework for queue-driven microservices"
 license = "MIT"

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "slingshot-microservice"
-version = "0.1.6"
+version = "0.1.7"
 description = "Opinionated Rust framework for queue-driven microservices"
 license = { text = "MIT" }
 requires-python = ">=3.8"

src/lib.rs

@@ -20,6 +20,7 @@ use diesel::PgConnection;
 use futures_util::StreamExt;
 use lapin::options::{
 	BasicAckOptions, BasicConsumeOptions, BasicNackOptions, BasicPublishOptions,
+	BasicQosOptions,
 	QueueDeclareOptions,
 };
 use tracing::{error, info};
@@ -274,6 +275,11 @@ impl Microservice {
 			.await
 			.map_err(|e| format!("startup publish failed: {}", e))?;
 
+		channel
+			.basic_qos(1, BasicQosOptions::default())
+			.await
+			.map_err(|e| format!("failed to set RabbitMQ consumer prefetch to 1: {}", e))?;
+
 		let mut consumer = channel
 			.basic_consume(
 				&inbound_queue,