Enable site deploy preview for pull requests

Signed-off-by: Khosrow Moossavi <khos2ow@gmail.com>

.github/workflows/ci.yaml

@@ -111,16 +111,13 @@ jobs:
 
       - name: Prepare docs
         if: contains(github.ref, 'refs/heads/master')
-        run: |
+        run: ./scripts/docs/prepare-site.sh
-          git clone -b main https://github.com/terraform-docs/website scripts/docs/website
-          rm -rf scripts/docs/website/content/
-          cp -r docs/ scripts/docs/website/content/
 
       - name: Publish to website
         uses: drud/action-cross-commit@master
         if: contains(github.ref, 'refs/heads/master')
         with:
-          source-folder: scripts/docs/website/content
+          source-folder: site/content
           destination-repository: https://${{ secrets.COMMITTER_USERNAME }}:${{ secrets.COMMITTER_TOKEN }}@github.com/terraform-docs/website
           destination-folder: content
           destination-branch: main

.gitignore

@@ -32,3 +32,6 @@ coverage.txt
 
 # goreleaser
 dist/
+
+# website
+site/

docs/_index.md

@@ -1,4 +1,5 @@
 ---
-title : "Generate Terraform module documentation"
+title : "terraform-docs"
-description: "Generate documentation from Terraform modules in various output formats."
+description: "Generate Terraform modules documentation in various formats."
+lead: "Generate Terraform modules documentation in various formats."
 ---

netlify.toml

@@ -0,0 +1,10 @@
+[build]
+  publish = "site/public"
+
+[build.environment]
+  HUGO_VERSION = "0.80.0"
+  NODE_VERSION = "15.5.1"
+  NPM_VERSION = "7.3.0"
+
+[context.deploy-preview]
+  command = "./scripts/docs/prepare-site.sh && cd site && npm install && hugo -b ${DEPLOY_PRIME_URL} --gc"

scripts/docs/prepare-site.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+#
+# Copyright 2021 The terraform-docs Authors.
+#
+# Licensed under the MIT license (the "License"); you may not
+# use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at the LICENSE file in
+# the root directory of this source tree.
+
+set -o errexit
+set -o pipefail
+
+PWD=$(cd "$(dirname "$0")" && pwd -P)
+PWD="${PWD}/../.."
+
+# Make sure site/ folder does not exist
+rm -rf "${PWD}"/site
+
+# Clone the website repository locally
+git clone -b main https://github.com/terraform-docs/website "${PWD}"/site
+
+# Update website content
+rm -rf "${PWD}"/site/content/
+cp -r "${PWD}"/docs/ "${PWD}"/site/content/