
David Winchurch worked on the ministryofjustice/keyworker-api repository, delivering production configuration changes to support the rollout of the New Prison Service across the UK prison estate. He enabled Downview prison in the Keyworker service and later implemented a wildcard-based rollout, allowing all prisons to access the new service through centralized configuration management. Using YAML and DevOps practices, David focused on migration-driven deployment strategies, version control, and cross-environment rollout planning. His work improved operational consistency and reduced maintenance overhead by consolidating service enablement, demonstrating depth in configuration management and collaborative delivery, though the scope was limited to feature rollout without bug remediation.

September 2025 – Keyworker API (ministryofjustice/keyworker-api) delivered a complete production rollout of the New Prison Service to all prisons by enabling a wildcard-based rollout in production. This work supported the migration strategy and reduced fragmentation across prison deployments. Major bugs fixed: No critical production bugs reported this month; rollout proceeded without incident. Overall impact and accomplishments: Achieved full service enablement across the prison estate, improving operational consistency, reducing maintenance overhead, and accelerating the migration to the new Prison Service. This creates a more scalable, centralized service layer for prisoner operations and downstream integrations. Technologies/skills demonstrated: Production configuration management, feature flag / migration-driven rollout, version control discipline, cross-environment deployment planning, and collaboration across teams to coordinate the migration. Key outcomes: - Full rollout to all prisons via KEYWORKER_ENABLED_FOR_PRISONS wildcard - MIA-757: Switch all prisons to use the new service in production (#858) — commit 4b3d3a76997c3ed6020599645520a1fc9ce750dd
September 2025 – Keyworker API (ministryofjustice/keyworker-api) delivered a complete production rollout of the New Prison Service to all prisons by enabling a wildcard-based rollout in production. This work supported the migration strategy and reduced fragmentation across prison deployments. Major bugs fixed: No critical production bugs reported this month; rollout proceeded without incident. Overall impact and accomplishments: Achieved full service enablement across the prison estate, improving operational consistency, reducing maintenance overhead, and accelerating the migration to the new Prison Service. This creates a more scalable, centralized service layer for prisoner operations and downstream integrations. Technologies/skills demonstrated: Production configuration management, feature flag / migration-driven rollout, version control discipline, cross-environment deployment planning, and collaboration across teams to coordinate the migration. Key outcomes: - Full rollout to all prisons via KEYWORKER_ENABLED_FOR_PRISONS wildcard - MIA-757: Switch all prisons to use the new service in production (#858) — commit 4b3d3a76997c3ed6020599645520a1fc9ce750dd
Month 2025-08: Delivered production rollout enablement for Downview prison (DWI) in the Keyworker service as part of the MIA-658 initiative. Updated production configuration to include DWI in the enabled-prisons list, enabling Downview access and data flow within Keyworker. All work is traceable to commit 17567e594074dc17be50ec9c9a24e1de64d9cf24 (MIA-658: Rollout new service for Downview in prod (#827)). No major defect fixes were reported this month; focus was on feature delivery, rollout readiness, and configuration management supporting the broader MIA-658 rollout.
Month 2025-08: Delivered production rollout enablement for Downview prison (DWI) in the Keyworker service as part of the MIA-658 initiative. Updated production configuration to include DWI in the enabled-prisons list, enabling Downview access and data flow within Keyworker. All work is traceable to commit 17567e594074dc17be50ec9c9a24e1de64d9cf24 (MIA-658: Rollout new service for Downview in prod (#827)). No major defect fixes were reported this month; focus was on feature delivery, rollout readiness, and configuration management supporting the broader MIA-658 rollout.
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