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DevOps & observability · #nomad
Nomad's HCL2 supports runtime variable interpolation, letting you reuse job specifications across regions without duplication.
A guide to deciding when native Nomad service discovery suffices versus Consul‑integrated discovery for intra‑cluster traffic, covering design, trust, checks, and failure modes.
Learn how to enable GPU resources in Nomad, define a job that requests a GPU, and verify the allocation works safely.
A concise, step‑by‑step guide to performing zero‑downtime rolling updates of a Nomad job, covering prerequisites, job configuration, deployment commands, validation checks, and rollback options.
Nomad’s default bin‑packing often overloads a few nodes. Using placement constraints such as spread and distinct lets you declaratively distribute tasks across zones or racks, improving fairness and fault tolerance.
A decision guide to Nomad's rolling, canary, and blue/green update strategies: constraints, trade-offs, a complete HCL example, and a validation sequence that proves rollback works before you need it.
Learn how Nomad’s spread stanza balances allocations across failure domains such as racks or zones, with a concrete example, verification steps, and notes on trade‑offs.
Learn how to configure Nomad’s update stanza for zero‑downtime rolling deployments with canary instances, Consul‑based health checks, auto‑promotion, and automatic rollback.
Deploy Nomad jobs with Consul Connect sidecar injection for zero‑trust communication. This guide covers the minimal architecture, trust boundaries, operational checks, failure modes, and when to change the design.
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