ci: add tflint job

.devcontainer/Dockerfile

@@ -18,6 +18,9 @@ RUN SYSTEM_ARCH=$(dpkg --print-architecture) \
     && terraform version \
     && rm terraform_${TERRAFORM_VERSION}_linux_${SYSTEM_ARCH}.zip
 
+# install tflint
+RUN curl -s https://raw.githubusercontent.com/terraform-linters/tflint/master/install_linux.sh | bash
+
 # install docker
 COPY --from=docker:dind /usr/local/bin/docker /usr/local/bin/
 

.github/workflows/test.yml

@@ -0,0 +1,21 @@
+name: test
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+      - name: Terraform Setup
+        run: |
+          terraform init
+      - name: Lint Terraform
+        uses: reviewdog/action-tflint@master
+        with:
+          github_token: ${{ secrets.github_token }}
+          filter_mode: "nofilter"

version.tf

@@ -2,9 +2,21 @@ terraform {
   required_version = ">= 0.13.0"
 
   required_providers {
+    archive = {
+      source  = "hashicorp/archive"
+      version = ">= 2.4.0"
+    }
     docker = {
       source  = "kreuzwerker/docker"
       version = ">= 3.0.0, < 4.0.0"
     }
+    null = {
+      source  = "hashicorp/null"
+      version = ">= 3.2.1"
+    }
+    random = {
+      source  = "hashicorp/random"
+      version = ">= 3.5.1"
+    }
   }
 }