Email domain migration: preparing campaigns for a rebrand
A practical email domain migration plan covering sender inventory, SPF, DKIM, DMARC, suppression lists, staged sending and delivery monitoring.
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Infrastructure
Technology updates and practical implications for projects.
Background jobs: retry processing without duplicating the outcome
Designing queues, retries and idempotency around business outcomes, visible delays and a clear process for jobs that cannot complete.
Read articleObservability starts with a decision the team needs to make
Connecting OpenTelemetry, service indicators and SLOs to business workflows, operational ownership and infrastructure priorities.
Read articleReleasing a Docker application: readiness, shutdown and rollback
What a Docker release needs beyond a running container: readiness checks, graceful shutdown, compatible data and a tested rollback path.
Read articleA backup becomes protection when a restore has been tested
How to set RPO and RTO, test recovery of an application and its data, and choose a backup strategy that fits business operations.
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