GitHub Actions workflow to build and push Docker image to ECR
A working GitHub Actions setup that builds a Docker image on every push and pushes it to Amazon ECR. Covers the IAM side too, which is usually where things break.
GitLab CI/CD pipeline stages with artifact passing between jobs
Setting up a GitLab pipeline with explicit stages and artifact dependencies so build output actually reaches the deploy job without re-running everything.
Automating S3 to Glacier Data Tiering with Lifecycle Configuration Rules
S3 lifecycle rules let you shift objects through storage classes automatically, cutting costs without manual intervention. This tutorial walks through writing a lifecycle configuration, applying it via the AWS CLI, and validating that transitions are actually happening.
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