William-Yeh

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

William-Yeh

###########################################################################
#                             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              #
###########################################################################

William-Yeh

apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig

metadata:
  name: eksdemo
  region: us-west-2

nodeGroups:
  - name: ng0
    instanceType: t3.medium

William-Yeh

#!/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
}

William-Yeh

給 RD 的 Kubernetes 初體驗（以 EKS 為例）

課程簡介

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。

William-Yeh

【打造順暢的 K8s Dev 環境】行前須知

(將於 10 月 1 日完成)

行前準備

為了活動進行順利，請在出席活動前，確實備妥下列事項。

...

William-Yeh

#
# http static server one-liners
#

FROM busybox:1.30

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

William-Yeh

---
#
# 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

William-Yeh

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
   ```

William-Yeh

FROM alpine

VOLUME ["/livecode"]
CMD ["/livecode/hello.sh"]