A focus on software operability helps to make software delivery more sustainable: financial investment is better used, and we avoid burn-out in people building and running the systems. Greater operational awareness can also help to reduce carbon footprint of software systems. 5 practical operability techniques include: modern event-based logging, Run Book dialogue sheets, endpoint healthchecks, Correlation IDs, and lightweight user personas for Ops teams. These and other techniques are explained in the book Team Guide to Software Operability by Matthew Skelton, Alex Moore, and Rob Thatcher. Finally, the Multi-team Software Delivery Assessment includes operability as one of the 6 dimensions for software delivery health: SoftwareDeliveryAssessment.com Part of a Leeds Digital Festival 2019 event organised by Conflux - Sustainable Digital Delivery

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