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Prerequisites

Before you begin, ensure you have the following:

  1. Hetzner Account: Sign up or log in to your Hetzner account.
  2. Registered Domain: Have a domain registered with Hetzner.
  3. Terraform Installation: Ensure Terraform is installed on your machine. Visit Terraform's official website for installation instructions.
  4. SSH Key Pair: Generate a pair of SSH keys (public and private) if you haven't already.
  5. Ansible Ensure Ansible is installed

Creating the server with local state management

Follow these steps to set up your environment with Terraform:

  1. Clone the Repository:

    • Use git clone [email protected]:kubephil/wordpress-hetzner.git to clone the repository to your local machine.
    • Navigate to the Terraform directory within the cloned repository.

  2. Configure Terraform Variables:

    • It's recommended to create a terraform.tfvars file for your variable definitions.
    • Add the following variables to the file, replacing placeholders with your actual values (see notes on how to obtain them): 
      hcloud_token = "<your-hetzner-cloud-token>"
hetznerdns_token = "<your-hetzner-dns-token>"
hetznerdns_zone_id = "<your-hetzner-dns-zone-id>"

  3. Initialize Terraform:

    • Run terraform init in your terminal. This command initializes Terraform, setting up your environment to execute Terraform configurations.

  4. Apply Terraform Configuration:

    • Execute terraform apply to apply the Terraform configuration.
    • Review the plan and confirm the changes to start the deployment process.
    • This will create a file called inventory.ini in the ansible directory with the server config

  5. Destory the Resource. DESTRUCTIVE

    • Execute terraform destroy
    • Review the plan and confirm the changes to start the deployment process.

Configuration of the Server using ansible

Once the server is created. Follow these steps to deploy wordpress via ansible and docker-compose

  1. Create ACME config File:
    • Navigate to the ansible directory and create a vars.yml file for the ACME config and db password 
       domain_name: "yourdomain.com"
 acme_email: "[email protected]"
 wordpress_db_password: "your-secure-db-password"
  2. Run the playbook
    • Execute the command ansible-playbook -i inventory.ini playbook.yml
    • This will deploy the config, copy the docker-compose file and start wordpress

Notes:

  • Terraform Documentation: For more detailed instructions on using Terraform, refer to the Terraform Documentation.
  • Obtain the hcloud token: The hcloud token is per project. Navigate to https://console.hetzner.cloud/projects/<your-project>/security/tokens and create a read and write token
  • Obtain the DNS token: Navigate to the API tokens in Hetzner DNS. Note your domain needs to point to Hetzner's Name servers.
  • Apply and Teardown several times: In case you teardown using terrafrom and reapply you might need to run ssh-keygen -R <your-server-ip>. This will remove it from the known_hosts.