Add linter, update dependencies, fix compatibility issues (#1)

- Added linter and a GitHub Workflow
- Updated dependencies to the latest versions
- Fixed compatibility issues caused by outdated packages

Author: f5shemyakin

.github/workflows/terraform-lint.yml

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+name: Terraform Lint
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  tflint:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Cache plugin dir
+      uses: actions/cache@v3
+      with:
+        path: ~/.tflint.d/plugins
+        key: ${{ hashFiles('.tflint.hcl') }}
+    
+    - uses: terraform-linters/setup-tflint@v4
+      with:
+        tflint_version: v0.50.3
+    
+    - name: Show version
+      run: tflint --version
+    
+    - name: Init TFLint
+      run: tflint --init
+    
+    - name: Run TFLint
+      run: tflint --format compact
+    
+    - name: Run TFLint on modules
+      run: |
+        find . -name "*.tf" -exec dirname {} \; | sort -u | while read dir; do
+          echo "Linting $dir"
+          (cd "$dir" && tflint --format compact)
+        done
+
+  terraform-fmt:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - uses: hashicorp/setup-terraform@v3
+      with:
+        terraform_version: "1.8.0"
+    
+    - name: Terraform Format Check
+      run: terraform fmt -check -recursive -diff
+
+  terraform-validate:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - uses: hashicorp/setup-terraform@v3
+      with:
+        terraform_version: "1.8.0"
+    
+    - name: Terraform Init
+      run: terraform init -backend=false
+    
+    - name: Terraform Validate
+      run: terraform validate

.tflint.hcl

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+plugin "terraform" {
+  enabled = true
+  preset  = "recommended"
+}
+
+plugin "aws" {
+  enabled = true
+  version = "0.29.0"
+  source  = "github.com/terraform-linters/tflint-ruleset-aws"
+}
+
+rule "terraform_deprecated_interpolation" {
+  enabled = true
+}
+
+rule "terraform_unused_declarations" {
+  enabled = true
+}
+
+rule "terraform_comment_syntax" {
+  enabled = true
+}
+
+rule "terraform_documented_outputs" {
+  enabled = true
+}
+
+rule "terraform_documented_variables" {
+  enabled = true
+}
+
+rule "terraform_typed_variables" {
+  enabled = true
+}
+
+rule "terraform_module_pinned_source" {
+  enabled = true
+}
+
+rule "terraform_naming_convention" {
+  enabled = true
+  format  = "snake_case"
+}
+
+rule "terraform_standard_module_structure" {
+  enabled = true
+}
+
+# AWS-specific rules
+rule "aws_resource_missing_tags" {
+  enabled = true
+  tags = ["Name", "Environment"]
+}
+
+rule "aws_instance_invalid_type" {
+  enabled = true
+}
+
+rule "aws_security_group_rule_invalid_protocol" {
+  enabled = true
+}

.vscode/extensions.json

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+{
+  "recommendations": [
+    "hashicorp.terraform"
+  ]
+}

.vscode/settings.json

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+{
+  "terraform.validation.enableEnhancedValidation": true,
+  "terraform.languageServer.enable": true,
+  "terraform.codelens.referenceCount": true,
+  "files.associations": {
+    "*.tf": "terraform",
+    "*.tfvars": "terraform",
+    "*.tfvars.example": "terraform",
+    ".tflint.hcl": "hcl"
+  },
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.formatDocument": "explicit"
+  },
+  "[terraform]": {
+    "editor.defaultFormatter": "hashicorp.terraform",
+    "editor.formatOnSave": true,
+    "editor.insertSpaces": true,
+    "editor.tabSize": 2
+  },
+  "[hcl]": {
+    "editor.defaultFormatter": "hashicorp.terraform",
+    "editor.formatOnSave": true,
+    "editor.insertSpaces": true,
+    "editor.tabSize": 2
+  }
+}

.vscode/tasks.json

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+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Terraform: Format",
+      "type": "shell",
+      "command": "terraform",
+      "args": [
+        "fmt",
+        "-recursive"
+      ],
+      "group": "build",
+      "presentation": {
+        "echo": true,
+        "reveal": "always",
+        "focus": false,
+        "panel": "shared"
+      },
+      "problemMatcher": []
+    },
+    {
+      "label": "Terraform: Validate",
+      "type": "shell",
+      "command": "terraform",
+      "args": [
+        "validate"
+      ],
+      "group": "test",
+      "presentation": {
+        "echo": true,
+        "reveal": "always",
+        "focus": false,
+        "panel": "shared"
+      },
+      "dependsOn": "Terraform: Init (no backend)"
+    },
+    {
+      "label": "Terraform: Init (no backend)",
+      "type": "shell",
+      "command": "terraform",
+      "args": [
+        "init",
+        "-backend=false"
+      ],
+      "group": "build",
+      "presentation": {
+        "echo": true,
+        "reveal": "silent",
+        "focus": false,
+        "panel": "shared"
+      },
+      "problemMatcher": []
+    },
+    {
+      "label": "TFLint: Initialize",
+      "type": "shell",
+      "command": "tflint",
+      "args": [
+        "--init"
+      ],
+      "group": "build",
+      "presentation": {
+        "echo": true,
+        "reveal": "silent",
+        "focus": false,
+        "panel": "shared"
+      },
+      "problemMatcher": []
+    },
+    {
+      "label": "TFLint: Run",
+      "type": "shell",
+      "command": "tflint",
+      "args": [
+        "--format",
+        "compact"
+      ],
+      "group": "test",
+      "presentation": {
+        "echo": true,
+        "reveal": "always",
+        "focus": false,
+        "panel": "shared"
+      },
+      "dependsOn": "TFLint: Initialize",
+      "problemMatcher": [
+        {
+          "owner": "tflint",
+          "fileLocation": "relative",
+          "pattern": {
+            "regexp": "^([^:]+):(\\d+):(\\d+):\\s+(Error|Warning|Notice):\\s+(.*)$",
+            "file": 1,
+            "line": 2,
+            "column": 3,
+            "severity": 4,
+            "message": 5
+          }
+        }
+      ]
+    },
+    {
+      "label": "Terraform: Full Lint Check",
+      "dependsOrder": "sequence",
+      "dependsOn": [
+        "Terraform: Format",
+        "Terraform: Validate",
+        "TFLint: Run"
+      ],
+      "group": {
+        "kind": "test",
+        "isDefault": true
+      },
+      "presentation": {
+        "echo": true,
+        "reveal": "always",
+        "focus": false,
+        "panel": "shared"
+      }
+    }
+  ]
+}