Add maintenance docs

Signed-off-by: zeroalphat <[email protected]>

.github/workflows/maintenance.md

@@ -0,0 +1,24 @@
+# Maintenance
+
+## How to update supported Kubernetes
+
+- Update Kubernetes version in `Makefile.versions`.
+- Update `k8s.io/*` packages version in `go.mod`.
+
+## How to update supported Flatcar Container Linux
+
+NecoPerf supports one Flatcar Linux version at a time.
+If a new stable version of Flatcar Linux is released, please do the following steps.
+
+- Check the [stable release](https://www.flatcar.org/releases) of Flatcar Linux
+- Find the tags for the container image of the [flatcar-sdk-amd64](https://github.com/orgs/flatcar/packages/container/package/flatcar-sdk-amd64) corresponding to the stable version of Flatcar Linux
+- Update `FLATCAR_VERSION` in `Makefile.versions`.
+
+If Flatcar Container Linux Container Image has changed, please fix the relevant source code.
+
+## How to update dependencies
+
+- Update `Makefile.versions`.
+- Update `Dockerfile.cli` and `Dockerfile.daemon`.
+- Update go.mod.
+- Update GitHub Actions.

Makefile.versions

@@ -1,3 +1,5 @@
 E2ETEST_K8S_VERSION  := 1.27.1
 # ref to https://github.com/orgs/flatcar/packages/container/package/flatcar-sdk-amd64
 FLATCAR_VERSION := 3602.0.0
+KIND_VERSION := 0.20.0
+KUSTOMIZE_VERSION := 5.1.0

e2e/Makefile

@@ -1,4 +1,4 @@
-include Makefile.versions
+include ../Makefile.versions
 
 ARCH ?= amd64
 OS ?= linux