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One command static website setup on AWS S3

Problem to solve

I want to setup static website on AWS S3 under 10 minutes. Also

Available options

I couldn’t find a fast enough way to do it. Ways I tried:

  • Setting up on AWS Console GUI – no way I am doing this again. Way too many stuff to go wrong
  • Writing Cloudformation template – I can tell this was not designed for human beings. Documentation complexity and randomness kicks you off. It is way too complicated for such simple start
  • Terraform – to learn this thing and write my own template took ~3h.

So, really is it really not possible to setup fast?

User friendly Terraform template

That’s why I created new Github Repo , that me and other peple could do it by executing single command

sjevs/terraform-static-website-s3-cloudfront

Follow the steps described in the README, but it is more less all about setting up your website.tfvars file:

region = "eu-west-1" domain = ""          # jevsejev.io domainAlias = ""     # jevsejev_io subdomain = ""       # www.jevsejev.io subdomainAlias = ""  # www_jevsejev_io cdnSubDomain = ""    # cdn.jevsejev.io 

and your AWS credentials

aws_access_key_id = "" aws_secret_key = "" 

And then execute

terraform apply -var-file website.tfvars  -var-file secret.tfvars 

That’s it! Provitioning is done! now you can upload your index.html and check if it is working with S3 url. To check with your domain configure you domain to point to DNS servers provided by Route53

Features

  • Provisions Route53
  • Provisions S3 bucket as website
  • Provisions Cloudfront and uses S3 bucket as origin for asset distribution
  • Terraform template covered with integration tests

Tips

Infrastructure as Code

I recommend to clone the repository and commit your website.tfvars to the repository, So you could reprovition or modify it easily.

But please never commit your AWS credentials! Someone else can use them for personal intentions.

Terraform state file

After you provision, terraform will create a state file terraform.tfstate . It is need for Terraform to function. So if you will need to execute it from another computer, it must be shared. One of the ways it is to use S3 for it.

Remote configuration solves this problem

Add S3 bucket configuration for this to your website.tf

resource "aws_s3_bucket" "website_state_bucket" {   provider = "aws.prod"    bucket = "terraform-states"   acl = "private"   versioning {     enabled = true   } } 

Provition again with it with terraform apply -var-file website.tfvars -var-file secret.tfvars

Then execute next command. Replace WWW.YOUR_BEBSITE.IO with your website name and region with yours

terraform remote config /     -backend=s3 /     -backend-config="bucket=terraform-states" /     -backend-config="key=WWW.YOUR_BEBSITE.IO/terraform.tfstate" /     -backend-config="region=eu-west-1" 

After execution lets set terraform to use the new configuration location by adding this to your website.tf :

resource "terraform_remote_state" "website_state" {   depends_on = ["aws_s3_bucket.website_state_bucket"]   backend = "s3"   config {     bucket = "terraform-states"     key = "${var.subdomain}/terraform.tfstate"     region = "${var.region}"     access_key = "${var.aws_access_key_id}"     secret_key = "${var.aws_secret_key}"   } } 

AWS S3 Costs

Serverless website costs on AWS S3

Summary

Now you know there is a template waiting for you if ever need to setup a website really quick. Also, worth mentioning to provision anything on AWS the most efficient tool is Terraform . Studying it will return great benefits for you!

Hope this blogpost saves someone’s precious time.

Thanks for reading and happy provisioning!

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