# Terraform configuration to create and configure an S3 bucket for static website hosting.
provider "aws" {
region = "us-east-1"
}
# Generate a random suffix to ensure the bucket name is unique
resource "random_pet" "bucket_suffix" {
length = 2
}
# --- S3 Bucket for Website ---
resource "aws_s3_bucket" "website" {
bucket = "my-static-website-bucket-tf-${random_pet.bucket_suffix.id}"
tags = {
Name = "Static Website Bucket (Terraform)"
Environment = "Public"
}
}
# --- Configure Public Access ---
# This resource manages the S3 Block Public Access settings.
# We need to turn these off to allow public access for the website.
resource "aws_s3_bucket_public_access_block" "website" {
bucket = aws_s3_bucket.website.id
block_public_acls = false
block_public_policy = false
ignore_public_acls = false
restrict_public_buckets = false
}
# --- Apply Public-Read Bucket Policy ---
# This policy allows anyone to read objects from the bucket.
resource "aws_s3_bucket_policy" "website" {
bucket = aws_s3_bucket.website.id
policy = jsonencode({
Version = "2012-10-17",
Statement = [
{
Sid = "PublicReadGetObject",
Effect = "Allow",
Principal = "*",
Action = "s3:GetObject",
Resource = "${aws_s3_bucket.website.arn}/*"
}
]
})
# Depends on the public access block being configured first
depends_on = [aws_s3_bucket_public_access_block.website]
}
# --- Configure Static Website Hosting ---
resource "aws_s3_bucket_website_configuration" "website" {
bucket = aws_s3_bucket.website.id
index_document {
suffix = "index.html"
}
error_document {
key = "error.html"
}
depends_on = [aws_s3_bucket_policy.website]
}
# --- Upload Sample Files ---
resource "aws_s3_object" "index" {
bucket = aws_s3_bucket.website.id
key = "index.html"
source = "./index.html"
content_type = "text/html"
# Use etag to detect file changes
etag = filemd5("./index.html")
}
resource "aws_s3_object" "error" {
bucket = aws_s3_bucket.website.id
key = "error.html"
source = "./error.html"
content_type = "text/html"
# Use etag to detect file changes
etag = filemd5("./error.html")
}
# --- Create local files for Terraform to upload ---
resource "local_file" "index_html" {
content = "Welcome to the S3 Static Website! (Managed by Terraform)
"
filename = "${path.module}/index.html"
}
resource "local_file" "error_html" {
content = "404 - Page Not Found (Managed by Terraform)
"
filename = "${path.module}/error.html"
}
# --- Output Website URL ---
output "website_url" {
value = aws_s3_bucket_website_configuration.website.website_endpoint
description = "The URL of the static website"
}
output "bucket_name" {
value = aws_s3_bucket.website.bucket
description = "The name of the S3 bucket"
}