+ Gamma definition

+ Playbook for docker host

Infra host definitions are all in place however a proper gateway setup
is required since we're going to try and share a single elastic ip for the two
web servers

.gitignore

@@ -7,3 +7,4 @@ infra/keys/
 infra/out.plan
 infra/terraform.tfstate
 infra/terraform.tfstate.backup
+playbooks/hosts.ini

infra/gamma.tf

@@ -0,0 +1,20 @@
+variable "gamma_ssh_key_name" {}
+variable "gamma_public_key_path" {}
+
+variable "gamma_instance_type" {}
+variable "gamma_ami_id" {}
+
+resource "aws_key_pair" "gamma_ssh" {
+  key_name = var.gamma_ssh_key_name
+  public_key = file(var.gamma_public_key_path)
+}
+
+resource "aws_instance" "gamma" {
+  ami = var.gamma_ami_id
+  instance_type = var.gamma_instance_type
+
+  key_name = var.gamma_ssh_key_name
+
+  security_groups = [ aws_security_group.gamma_sec.id  ]
+}
+

playbooks/setup-alpha-host.yml

@@ -0,0 +1,46 @@
+---
+- hosts: alpha
+  remote_user: ubuntu
+  tasks:
+    - name: Install docker dependencies
+      become: yes
+      become_method: sudo
+      apt:
+        name: "{{item}}"
+        update_cache: yes
+      loop:
+        - apt-transport-https
+        - ca-certificates
+        - curl
+        - gnupg
+        - software-properties-common
+        - lsb-release
+
+    - name: Install docker GPG key
+      become: yes
+      become_method: sudo
+      apt_key:
+        url: https://download.docker.com/linux/ubuntu/gpg
+        state: present
+
+    - name: Add Docker Apt Repo
+      become: yes
+      become_method: sudo
+      apt_repository:
+        repo: deb https://download.docker.com/linux/ubuntu/gpg buster stable
+        state: present
+
+    - name: Install Docker components
+      become: yes
+      become_method: sudo
+      apt:
+        name: "{{item}}"
+        update_cache: yes
+      loop:
+        - docker-ce
+        - docker-ce-cli
+        - containerd.io
+
+
+
+