Replica autoscaling

[deliahu]

Description

• Horizontal Pod Autoscaler docs, walkthrough, API reference
• eksworkshop
• AWS blog
• Metrics server: installing on EKS, docs, github, aggregation layer

Installing metrics server:

METRICS_SERVER_VERSION="0.3.3"

curl -Ls "https://api.github.com/repos/kubernetes-incubator/metrics-server/tarball/v${METRICS_SERVER_VERSION}" -o metrics-server.tar.gz
mkdir metrics-server
tar -xzf metrics-server.tar.gz --directory metrics-server --strip-components 1
kubectl apply -f metrics-server/deploy/1.8+/
rm -rf metrics-server*