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provider "aws" {
region = "eu-west-1"
}
terraform {
backend "s3" { # will handle correctly multiple workspaces
bucket = "project"
region = "eu-west-1"
key = "project/terraform.tfstate"
dynamodb_table = "project-terraform-lock" # to prevent race conditions, table needs to be created manually
@terabyte
terabyte / amazon.md
Created December 6, 2017 02:27
Amazon's Build System

Prologue

I wrote this answer on stackexchange, here: https://stackoverflow.com/posts/12597919/

It was wrongly deleted for containing "proprietary information" years later. I think that's bullshit so I am posting it here. Come at me.

The Question

Amazon is a SOA system with 100s of services (or so says Amazon Chief Technology Officer Werner Vogels). How do they handle build and release?

@ondrej-kvasnovsky
ondrej-kvasnovsky / install-elasticsearch-centos.sh
Last active August 23, 2019 16:50
Commands for ElasticSearch installation on CentOS 6.4
# install missing libraries (if any)
cd ~
sudo yum update
yum install java-1.7.0-openjdk.x86_64
yum install unzip
yum install mc
yum install wget
yum install curl
# get and unpack elasticsearch zip file
@lsauer
lsauer / InChi.js
Created October 25, 2011 14:13
Regular Expressions for validating SMILES, InChi, InChiKey
// International Chemical Identifier Regex, by lo sauer - lsauer.com
// Morphine InchI:
var x="InChI=1S/C17H19NO3/c1-18-7-6-17-10-3-5-13(20)16(17)21-15-12(19)4-2-9(14(15)17)8-11(10)18/h2-5,10-11,13,16,19-20H,6-8H2,1H3/t10-,11+,13-,16-,17-/m0/s1"
// applying an organic character-subset
// we could check for the length property, but in case of 0 matches 'null' is returned -> hence !!.. \ generally equal to Boolean(..)
!!x.trim().match(/^((InChI=)?[^J][0-9BCOHNSOPrIFla+\-\(\)\\\/,pqbtmsih]{6,})$/ig)
>true
//generic:
x.trim().match(/^((InChI=)?[^J][0-9a-z+\-\(\)\\\/,]+)$/ig)