发信人: dumbCoder (HumbleCoder 不懂就问-_-), 信区: Programming
标 题: AWS还算好用, 但是不用迷信
发信站: BBS 未名空间站 (Thu Feb 4 15:46:34 2021, 美东)
我干过不少startup, DAU到1M以上后, AWS账单挺贵的...
AWS确实有很多方便的地方, 特别是搞原型开发测试,
或者高弹性的需求: 比如每个月只有几天很多流量,
可以流量大的时候开一堆AWS资源，然后再自动停用就是
但是AWS是真的贵... 而且很重很容易被lock in
AWS用久了后,一堆复杂配置DSL,也是要"DevOps"全职管的
神马 权限/网络/autoscale... 一大堆ops script/DSL
大厂打工, 有专职的DevOps来管这些一坨坨的AWS配置/script
startup嘛, 就开发来客串了, 不是啥好差事
我如果搞自己的startup的话, 我会只用最基本的AWS功能.
比开些EC2虚拟机之类, 那种要一坨坨配置的我一概不用.
保证哪天我想迁移到一个裸的data center上, 也没问题.
实际上, 我觉得最近这些年吹的这些 DevOps + Cloud infra,
我觉得越来越复杂，越来越扯了. 下面这些我都用过或者接触过:
Chef/Puppet
Ansible/Salt
Terraform
Docker K8S
AWS ECS/EKS
Service Mesh now??
上面这堆来了又走的所谓 Cloud infra 工具, 最后留下啥?
留下些学也学不完的, 丑陋的面向 配置/DSL 编程?
费那折腾的精力，真的可以写个够自己用的infra
https://killer.sh Pre Setup Once you've gained access to your terminal it might be wise to spend ~1 minute to setup your environment. You could set these: alias k = kubectl # will already be pre-configured export do = "--dry-run=client -o yaml" # k get pod x $do export now = "--force --grace-period 0" # k delete pod x $now Vim To make vim use 2 spaces for a tab edit ~/.vimrc to contain: set tabstop=2 set expandtab set shiftwidth=2 More setup suggestions are in the tips section . Question 1 | Contexts Task weight: 1% You have access to multiple clusters from your main terminal through kubectl contexts. Write all those context names into /opt/course/1/contexts . Next write a command to display the current context into /opt/course/1/context_default_kubectl.sh , the command should use kubectl . Finally write a second command doing the same thing into ...
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