Update .gitlab-ci.yml

.gitlab-ci.yml

 # This file is a template, and might need editing before it works on your project.
-# Official image for Hashicorp's Terraform. It uses light image which is Alpine
-# based as it is much lighter.
-#
-# Entrypoint is also needed as image by default set `terraform` binary as an
-# entrypoint.
+# To contribute improvements to CI/CD templates, please follow the Development guide at:
+# https://docs.gitlab.com/ee/development/cicd/templates.html
+# This specific template is located at:
+# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Terraform.gitlab-ci.yml
+
 image:
-  name: hashicorp/terraform:light
-  entrypoint:
-    - '/usr/bin/env'
-    - 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
+  - name: Terraform/Base.gitlab-ci.yml  # https://gitlab.com/gitlab-org/gitlab/blob/master/lib/gitlab/ci/templates/Terraform/Base.latest.gitlab-ci.yml
 
-# Default output file for Terraform plan
 variables:
-  PLAN: plan.tfplan
+  TF_VAR_ACCESS_KEY: ${AWS_ACCESS_KEY_ID}
+  TF_VAR_SECRET_KEY: ${AWS_SECRET_ACCESS_KEY}
+  TF_VAR_AWS_REGION: ${AWS_DEFAULT_REGION}
+
 
 cache:
   paths:
     - .terraform
 
-before_script:
-  - terraform --version
-  - terraform init
-
 stages:
-  - validate
+  - install
   - build
-  - test
-  - deploy
+  - plan
+  - apply
+  - destroy
 
-validate:
-  stage: validate
+install:
+  tags:
+    - rr
+  stage: install
   script:
-    - terraform validate
+    - curl -o terraform.zip https://releases.hashicorp.com/terraform/0.12.2/
 
-plan:
+
+  only:
+    - master
+
+build:
+  tags:
+    - rs
   stage: build
   script:
-    - terraform plan -out=$PLAN
-  artifacts:
-    name: plan
-    paths:
-      - $PLAN
-
-# Separate apply job for manual launching Terraform as it can be destructive
-# action.
+    - terraform --version
+    - terraform init
+  only:
+    - merge_requests
+
+
+
+plan:
+  tags:
+    - rs
+  stage: plan
+  script:
+    - terraform plan
+  only:
+    - master
+
 apply:
-  stage: deploy
-  environment:
-    name: production
+  tags:
+    - rs
+  stage: apply
   script:
-    - terraform apply -input=false $PLAN
+    - terraform apply
   dependencies:
-    - plan
+    - build
   when: manual
   only:
     - master
+
+
+destroy:
+  tags:
+    - rs
+  stage: destroy
+  script:
+    - echo "Destroying resources"
+    - terraform destroy
+  dependencies:
+    - apply
+  when: manual
+  only:
+    refs:
+      - master
+