Technology Magazine June 2025 | Page 97

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AWS Lambda explained in 90 seconds – Amazon Web Services
The company’ s Web & Mobile department, which serves hundreds of thousands of customers with online applications for container booking and tracking, migrated to AWS in 2020 and embraced a serverless architecture.
“ Using AWS services and capabilities in our department, it was possible to scale up solutions that are safe and customeroriented,” says Borys Wirkus, IT Director at Hapag-Lloyd in Gdansk.“ We, in Web & Mobile, are AWS frontrunners in the company, because this is what our customers are expecting: fast, reliable and suitable solutions.”
The migration created challenges, however. The 70-person Web & Mobile team found itself managing over 1,000 AWS Lambda functions across multiple accounts. To maintain visibility across this distributed architecture, Hapag-Lloyd built a centralised logging solution using Amazon OpenSearch Service.
“ We created centralised logging so that software engineers and business stakeholders could have one place to search for technical and business metrics,” says Grzegorz Kaczor, cloud architect in Web & Mobile at Hapag-Lloyd.
This monitoring system collects data from various components including Lambda functions and Amazon API Gateway, and processes logs from asynchronous services like Amazon Simple Notification Service and Amazon Managed Streaming for Apache Kafka.
“ The system automatically produces technical log events and is complemented by a style guide for
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