How to Install Terraform on macOS - Complete Step-by-Step Guide

# Install Homebrew if not already installed
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

# Install Terraform
brew tap hashicorp/tap
brew install hashicorp/tap/terraform

terraform -version

terraform -install-autocomplete
source ~/.bashrc

TERRAFORM_VERSION=$(curl -s https://checkpoint-api.hashicorp.com/v1/check/terraform | grep -oP '"current_version":"\K[^"]+')
wget "https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_darwin_amd64.zip"
unzip "terraform_${TERRAFORM_VERSION}_darwin_amd64.zip"
sudo mv terraform /usr/local/bin/
terraform -version

git clone --depth=1 https://github.com/tfutils/tfenv.git ~/.tfenv
echo 'export PATH="$HOME/.tfenv/bin:$PATH"' >> ~/.bashrc
source ~/.bashrc
tfenv install latest
tfenv use latest

mkdir ~/terraform-demo && cd ~/terraform-demo
cat > main.tf << 'EOF'
terraform {
  required_providers {
    local = {
      source  = "hashicorp/local"
      version = "~> 2.0"
    }
  }
}

resource "local_file" "hello" {
  content  = "Hello from Terraform on macOS!"
  filename = "${path.module}/hello.txt"
}
EOF

terraform init
terraform apply -auto-approve
cat hello.txt

brew upgrade hashicorp/tap/terraform

brew uninstall hashicorp/tap/terraform