William Yeh William-Yeh

【打造順暢的 K8s Dev 環境】行前須知

(將於 10 月 1 日完成)

為了活動進行順利，請在出席活動前，確實備妥下列事項。

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Kubernetes 是目前雲端環境的顯學。可是，傳統的程式，並不是原封不動搬上去，就能夠自動享受 Kubernetes 所宣稱的種種好處。

新的環境，不僅需要新的 Ops 思維，也需要新的 Dev 思維。我們將以一個半小時的時間，從軟體研發者的角度，探討軟體的設計該做哪些最起碼的改變，並體驗 Kubernetes 引進的新觀念及新效益。

-func SliceUniqMap(s []int) []int {
-  // @see https://www.reddit.com/r/golang/comments/5ia523/idiomatic_way_to_remove_duplicates_in_a_slice/db6qa2e/
-	seen := make(map[int]struct{}, len(s))
-	j := 0
-	for _, v := range s {
-		if _, ok := seen[v]; ok {
-			continue
-		}
-		seen[v] = struct{}{}
-		s[j] = v

	###########################################################################
	# jvm.options #
	# #
	# - all flags defined here will be used by cassandra to startup the JVM #
	# - one flag should be specified per line #
	# - lines that do not start with '-' will be ignored #
	# - only static flags are accepted (no variables or parameters) #
	# - dynamic flags will be appended to these on cassandra-env #
	###########################################################################

	#!/bin/bash
	#
	# @see https://github.com/pahud/amazon-eks-workshop/blob/master/00-getting-started/create-eks-with-eksctl.md
	#

	cleanup() {
	rm -rf awscli-bundle
	rm -f awscli-bundle.zip
	}

	#
	# http static server one-liners
	#

	FROM busybox:1.30

	WORKDIR /app
	COPY . .
	RUN chmod +x run.sh

	---
	#
	# Ambassador version: 0.52.0
	#
	# Adapted from: https://getambassador.io/yaml/ambassador/ambassador-rbac.yaml
	# See: https://www.getambassador.io/user-guide/getting-started/
	#

	apiVersion: v1
	kind: Service

	1. Install Docker CE and enable Kubernetes:
	See Figure 1 and 2 in https://medium.com/slalom-technology/get-kubernetes-running-locally-on-osx-and-windows-b3b5f176b5bb

	2. (Optionally) Install k8s dashboard:

	```
	$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml

	$ kubectl proxy
	```