A home for poorly researched ideas that I find myself repeating a lot anyway.https://oponomarov.com/https://oponomarov.com/blog/posts/opencode-tmux-notifications/https://oponomarov.com/blog/posts/opencode-tmux-notifications/Mark waiting tmux windows and send quiet macOS notifications when an OpenCode agent needs attention.Wed, 04 Mar 2026 09:00:00 GMTopencodetmuxdeveloper-toolshttps://oponomarov.com/blog/posts/access-aws-from-cicd-with-oidc-federation/https://oponomarov.com/blog/posts/access-aws-from-cicd-with-oidc-federation/Replace long-lived AWS keys with short-lived OIDC federation for GitHub Actions and CircleCI workflows.Sat, 28 Dec 2024 15:00:00 GMTawshttps://oponomarov.com/blog/posts/rewriting-docker-image-registries-with-kyverno/https://oponomarov.com/blog/posts/rewriting-docker-image-registries-with-kyverno/Redirect container images through approved registries with a reusable Kyverno policy and a controlled rollout.Mon, 23 Dec 2024 12:28:00 GMTkubernetesawsargocdhttps://oponomarov.com/blog/posts/mise-faster-smarter-tool-versioning/https://oponomarov.com/blog/posts/mise-faster-smarter-tool-versioning/Keep project toolchains reproducible with mise, shared version files, directory overrides, and one-off execution.Sun, 15 Dec 2024 10:00:00 GMTdeveloper-toolshttps://oponomarov.com/blog/posts/setting-up-pull-through-cache-repositories-in-aws-ecr/https://oponomarov.com/blog/posts/setting-up-pull-through-cache-repositories-in-aws-ecr/Build organization-wide ECR pull-through caches with Terraform, authenticated upstreams, and safe EKS access.Thu, 12 Dec 2024 08:00:00 GMTawsterraformhttps://oponomarov.com/blog/posts/demystifying-argocd-applicationsets-pt2/https://oponomarov.com/blog/posts/demystifying-argocd-applicationsets-pt2/Compare five practical ways to combine ApplicationSet with Helm and Kustomize, including their tradeoffs.Wed, 11 Dec 2024 11:00:00 GMTargocdkuberneteshttps://oponomarov.com/blog/posts/demystifying-argocd-applicationsets-pt1/https://oponomarov.com/blog/posts/demystifying-argocd-applicationsets-pt1/Learn how list, cluster, and matrix generators turn a single ApplicationSet into repeatable multi-cluster deployments.Wed, 11 Dec 2024 10:30:00 GMTargocdkuberneteshttps://oponomarov.com/blog/posts/terraform-version-constraints-striking-the-right-balance/https://oponomarov.com/blog/posts/terraform-version-constraints-striking-the-right-balance/A practical provider-version policy for reusable Terraform modules and the stacks that consume them.Tue, 10 Dec 2024 00:00:00 GMTterraformhttps://oponomarov.com/blog/posts/save-yourself-from-formatting-hell/https://oponomarov.com/blog/posts/save-yourself-from-formatting-hell/Automate Markdown formatting and linting with pre-commit so reviews stay focused on meaningful changes.Sun, 08 Dec 2024 11:00:29 GMTpre-commitdeveloper-tools