Add terraform

.gitignore

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+# Local Terraform directories
+.terraform/
+.terraform.lock.hcl
+terraform.tfstate
+terraform.tfstate.backup
+**/.terraform/
+*.tfstate
+*.tfstate.*
+crash.log
+
+# Crash logs
+crash.log
+
+# Override files
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# CLI configuration files
+.terraformrc
+terraform.rc

ansible/ansible.cfg

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+[defaults]
+inventory = hosts
+host_key_checking = False
+
+ssh_args = -F ~/.ssh/config

ansible/docker-images/backend.yml

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+# Ironhack note - This file is for running in docker compose with prebuilt images
+# Use these if you're stuck, or if you want to start slowly migrating from external images into your own.
+
+services:
+  worker:
+ #  build: ./worker
+    image: cocomo1/worker:latest
+    environment:
+      REDIS_HOST: ${REDIS_HOST}
+      REDIS_PORT: ${REDIS_PORT}
+      PG_HOST: ${DB_HOST}
+      DB_HOST: ${DB_HOST}
+      DB_USERNAME: ${DB_USERNAME}
+      DB_PASSWORD: ${DB_PASSWORD}
+      DB_NAME: ${DB_NAME}
+    networks:
+      - back-tier
+
+  redis:
+    image: redis:alpine
+    ports:
+    - "6379:6379"
+    volumes:
+      - "./healthchecks:/healthchecks"
+    healthcheck:
+      test: /healthchecks/redis.sh
+      interval: "5s"
+
+    networks:
+      - back-tier
+
+
+volumes:
+  db-data:
+
+networks:
+  back-tier:

ansible/docker-images/db.yml

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+# Ironhack note - This file is for running in docker compose with prebuilt images
+# Use these if you're stuck, or if you want to start slowly migrating from external images into your own.
+
+services:
+  db:
+    image: postgres:15-alpine
+    ports:
+    - "5432:5432"
+    environment:
+      POSTGRES_USER: ${DB_USERNAME}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+    volumes:
+      - "db-data:/var/lib/postgresql/data"
+      - "./healthchecks:/healthchecks"
+    healthcheck:
+      test: /healthchecks/postgres.sh
+      interval: "5s"
+    networks:
+      - back-tier
+
+volumes:
+  db-data:
+
+networks:
+  back-tier:

ansible/docker-images/frontend.yml

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+# Ironhack note - This file is for running in docker compose with prebuilt images
+# Use these if you're stuck, or if you want to start slowly migrating from external images into your own.
+
+services:
+  vote:
+    image: cocomo1/vote:latest
+    ports:
+      - "80:80"
+    environment:
+      REDIS_HOST: ${REDIS_HOST}
+      REDIS_PORT: ${REDIS_PORT}
+    networks:
+      - back-tier
+
+  result:
+    image: cocomo1/result:latest
+    ports:
+      - "81:80"
+    environment:
+      PG_HOST: ${PG_HOST}
+      PG_PORT: "5432"
+      PG_USER: "postgres"
+      PG_PASSWORD: "postgres"
+      PG_DATABASE: "postgres"  
+
+    networks:
+      - back-tier
+
+volumes:
+  db-data:
+
+networks:
+  back-tier:

ansible/inventory/hosts

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+[frontend]
+frontend-instance-1
+
+[backend]
+backend-instance-1
+
+[db]
+db-instance-1

ansible/playbooks/deploy-compose.yml

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+- name: Setup Docker and Docker Compose on Ubuntu
+  hosts: all
+  vars_files:
+    - vars.yml
+  become: yes
+  tasks:
+    - name: Install required packages
+      apt:
+        name:
+          - apt-transport-https
+          - ca-certificates
+          - curl
+          - software-properties-common
+        state: present
+        update_cache: yes
+
+    - name: Add Docker GPG key
+      apt_key:
+        url: https://download.docker.com/linux/ubuntu/gpg
+        state: present
+
+    - name: Add Docker repository
+      apt_repository:
+        repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_lsb.codename }} stable"
+        state: present
+
+    - name: Install Docker
+      apt:
+        name: docker-ce
+        state: present
+        update_cache: yes
+
+    - name: Start and enable Docker service
+      systemd:
+        name: docker
+        state: started
+        enabled: yes
+
+    - name: Install Docker Compose plugin
+      apt:
+        name: docker-compose-plugin
+        state: present
+        update_cache: yes
+
+    - name: Ensure docker compose command works
+      command: docker compose version
+      register: compose_version
+
+    - debug:
+        var: compose_version.stdout
+
+    - name: Ensure docker group exists
+      group:
+        name: docker
+        state: present
+
+    - name: Add ubuntu user to docker group
+      user:
+        name: ubuntu
+        groups: docker
+        append: yes
+
+- name: Setup database
+  hosts: db
+  vars_files:
+    - vars.yml
+  become: yes
+  tasks:
+    - name: Create application directory
+      file:
+        path: /home/ubuntu/healthchecks
+        state: directory
+
+    - name: Copy local file to remote
+      copy:
+        src:  ../../healthchecks/postgres.sh            # path on your control node
+        dest: /home/ubuntu/healthchecks/postgres.sh     # destination path on remote Ubuntu
+        owner: ubuntu                                   # optional: set owner
+        group: ubuntu                                   # optional: set group
+        mode: '0755'    
+
+    - name: Copy local file to remote
+      copy:
+        src:  ../docker-images/db.yml             # path on your control node
+        dest: /home/ubuntu/docker-compose.yml           # destination path on remote Ubuntu
+        owner: ubuntu                                   # optional: set owner
+        group: ubuntu                                   # optional: set group
+        mode: '0644'    
+
+    - name: Run docker compose with env vars
+      command: docker compose up -d
+      args:
+        chdir: /home/ubuntu
+      environment:
+        POSTGRES_USER: "{{DB_USERNAME}}"
+        POSTGRES_PASSWORD: "{{DB_PASSWORD}}"
+
+
+
+- name: Setup backend
+  hosts: backend
+  vars_files:
+    - vars.yml
+  become: yes
+  tasks:
+
+    - name: Create healthchecks directory
+      file:
+        path: /home/ubuntu/healthchecks
+        state: directory
+
+    - name: Copy healthcheck file
+      copy:
+        src:  ../../healthchecks/postgres.sh            # path on your control node
+        dest: /home/ubuntu/healthchecks/postgres.sh     # destination path on remote Ubuntu
+        owner: ubuntu                                   # optional: set owner
+        group: ubuntu                                   # optional: set group
+        mode: '0755'    
+
+    - name: Copy docker compose file
+      copy:
+        src:  ../docker-images/backend.yml        # path on your control node
+        dest: /home/ubuntu/docker-compose.yml     # destination path on remote Ubuntu
+        owner: ubuntu                             # optional: set owner
+        group: ubuntu                             # optional: set group
+        mode: '0644'    
+
+    - name: Run docker compose with env vars
+      command: docker compose up -d
+      args:
+        chdir: /home/ubuntu
+      environment:
+        REDIS_HOST: "{{REDIS_HOST}}"
+        REDIS_PORT: "{{REDIS_PORT}}"
+        PG_HOST: "{{DB_HOST}}"
+        DB_HOST: "{{DB_HOST}}"
+        DB_USERNAME: "{{DB_USERNAME}}"
+        DB_PASSWORD: "{{DB_PASSWORD}}"
+        DB_NAME: "{{DB_NAME}}"
+
+
+- name: Setup frontend
+  hosts: frontend
+  vars_files:
+    - vars.yml
+  become: yes
+  tasks:
+    - name: Copy local file to remote
+      copy:
+        src:  ../docker-images/frontend.yml        # path on your control node
+        dest: /home/ubuntu/docker-compose.yml     # destination path on remote Ubuntu
+        owner: ubuntu                             # optional: set owner
+        group: ubuntu                             # optional: set group
+        mode: '0644'    
+
+    - name: Run docker compose with env vars
+      command: docker compose up -d
+      args:
+        chdir: /home/ubuntu
+      environment:
+        REDIS_HOST: "{{REDIS_HOST}}"
+        REDIS_PORT: "{{REDIS_PORT}}"
+        PG_HOST: "{{DB_HOST}}"
+        PG_PORT: "{{DB_PORT}}"
+        PG_USER: "{{DB_USERNAME}}"
+        PG_PASSWORD: "{{DB_PASSWORD}}"
+        PG_DATABASE: "{{DB_NAME}}"
+
+