Quiz: What is the main benefit of Docker Multi-Stage builds?
Multi-stage builds allow you to use intermediate images for compiling binaries and then copy only the finalized artifact into a slim production base image (e.g. alpine).
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Multi-stage builds allow you to use intermediate images for compiling binaries and then copy only the finalized artifact into a slim production base image (e.g. alpine).
The Terraform state file records the current state of managed infrastructure and metadata, enabling Terraform to calculate required changes during plans/applies.
755 octal notation assigns rwx (4+2+1=7) to Owner, and r-x (4+0+1=5) to Group and Others.
A Container Runtime handles the lifecycle of containers on a node, interacting with Linux cgroups and namespaces to isolate processes.
Infrastructure Drift occurs when infrastructure configuration changes out-of-band, requiring terraform plan to detect and reconcile.
Multi-AZ RDS maintains a synchronous standby instance in a different AZ, executing automated failover if outages occur.
docker build -t myimage . reads the Dockerfile in the current directory and builds a new image tagged as myimage .
A ReplicaSet maintains a stable set of replica Pods. Deployments manage ReplicaSets and are typically used instead.