Add GH action to auto generate blog post from release notes

.github/workflows/auto-blog-post.yaml

@@ -0,0 +1,61 @@
+name: Auto-generate Blog Post for New Radius Release
+
+on:
+  repository_dispatch:
+    types: [radius-release-published]
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        description: 'Release tag name (optional - will use latest if not provided)'
+        required: false
+        type: string
+  push:
+    branches:
+      - 'autogen'
+
+jobs:
+  generate-blog-post:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Determine release tag
+        run: |
+          # Get release tag from event or use latest
+          INPUT_TAG="${{ github.event.client_payload.tag_name || github.event.inputs.tag_name || '' }}"
+
+          if [ -z "$INPUT_TAG" ]; then
+            echo "No tag provided, getting latest release..."
+            RELEASE_TAG=$(curl -s "https://api.github.com/repos/radius-project/radius/releases/latest" | jq -r '.tag_name')
+          else
+            RELEASE_TAG="$INPUT_TAG"
+          fi
+
+          echo "Using release tag: $RELEASE_TAG"
+          echo "RELEASE_TAG=$RELEASE_TAG" >> $GITHUB_ENV
+
+      - name: Generate blog post
+        run: |
+          # Generate complete blog post using determined tag
+          ./scripts/generate-blog-post.sh "${{ env.RELEASE_TAG }}" "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@98357b18bf14b5342f975ff684046ec3b2a07725 # v8.0.0
+        with:
+          token: ${{ secrets.GH_RAD_CI_BOT_PAT }}
+          commit-message: "Add blog post for Radius ${{ env.RELEASE_TAG }}"
+          signoff: true
+          title: "Add blog post for Radius ${{ env.RELEASE_TAG }}"
+          body: |
+            Auto-generated blog post for **Radius ${{ env.RELEASE_TAG }}**
+
+            - **Tag:** ${{ env.RELEASE_TAG }}
+            - **Release:** https://github.com/radius-project/radius/releases/tag/${{ env.RELEASE_TAG }}
+
+            🤖 Generated automatically by GitHub Actions
+          branch: "blog-post-${{ env.RELEASE_TAG }}"
+          base: main
+          delete-branch: true

radblog/content/posts/2025/radius-v0.50.0-release/index.md

@@ -33,4 +33,4 @@ We would love for you to join us to help build Radius:
 - Checkout the Radius roadmap and influence future features at [https://aka.ms/radius-roadmap](https://aka.ms/radius-roadmap) 
 - Join our monthly community meeting to see demos and hear the latest updates (join the [Radius Google Group](https://groups.google.com/g/radapp_io) to get email announcements) 
 - Join the discussion or ask for help on the [Radius Discord server](https://aka.ms/radius/discord) 
-- Subscribe to the [Radius YouTube channel](https://www.youtube.com/@radapp_io) for more demos 
+- Subscribe to the [Radius YouTube channel](https://www.youtube.com/@radapp_io) for more demos

scripts/blog-prompt.md

@@ -0,0 +1,40 @@
+Write a technical blog post announcing Radius {RELEASE_NAME} for developers and platform engineers.
+
+Release notes (YOUR ONLY SOURCE OF TRUTH):
+{RELEASE_NOTES}
+
+CRITICAL CONTENT CONSTRAINTS - FOLLOW EXACTLY:
+- ONLY use information explicitly stated in the release notes above
+- Do NOT add any information not found in the release notes
+- Do NOT make up features, examples, or documentation links not present in the release notes
+- ABSOLUTELY NO CODE SNIPPETS unless they are copy-pasted directly from the release notes
+- DO NOT create example code, sample configurations, or illustrative commands
+- DO NOT include breaking changes as a separate section
+- DO NOT speculate about future features or capabilities
+- ONLY include links that are explicitly mentioned in the release notes
+- If no code examples exist in release notes, describe features in text only
+- Verify the content thoroughly and ensure all details are accurate
+
+CRITICAL STYLE CONSTRAINTS - FOLLOW EXACTLY:
+{STYLE_GUIDE}
+
+STRUCTURE REQUIREMENTS:
+- Start immediately with introductory content, NO heading. 
+- Summarize the release, include a link to the release notes at {RELEASE_URL} and for new users, provide guidance on how to get started with Radius.
+- Use ## headings for main features (not # headings) and summarize each feature in a concise paragraph. Include details from the linked documentation if relevant.
+- Feature summary should have breaking changes as a highlight within, not a separate section
+- End with the exact "Learn more and Get Involved" section below
+
+REQUIRED CLOSING SECTION (copy exactly):
+
+## Learn More and Get Involved
+
+We would love for you to join us to help build Radius:
+
+- Try the [Radius Tutorial](https://docs.radapp.io/tutorials/)
+- Checkout the Radius roadmap and influence future features at [https://aka.ms/radius-roadmap](https://aka.ms/radius-roadmap)
+- Join our monthly community meeting to see demos and hear the latest updates (join the [Radius Google Group](https://groups.google.com/g/radapp_io) to get email announcements)
+- Join the discussion or ask for help on the [Radius Discord server](https://aka.ms/radius/discord)
+- Subscribe to the [Radius YouTube channel](https://www.youtube.com/@radapp_io) for more demos
+
+Generate only the blog content (no frontmatter). Be technical, be specific, avoid fluff, check for grammatical and spelling mistakes

scripts/generate-blog-post.sh

@@ -0,0 +1,132 @@
+#!/bin/bash
+set -e
+
+# Script to generate complete blog post from release tag
+# Usage: ./generate-blog-post.sh <release_tag> <github_token>
+# Outputs: Complete blog post in radblog/content/posts/
+
+RELEASE_TAG="$1"
+GITHUB_TOKEN="$2"
+
+if [ -z "$RELEASE_TAG" ] || [ -z "$GITHUB_TOKEN" ]; then
+  echo "Usage: $0 <release_tag> <github_token>" >&2
+  exit 1
+fi
+
+echo "Generating blog post for Radius $RELEASE_TAG..."
+
+# Cleanup temporary files on exit
+trap 'rm -f prompt_template.md final_prompt.md temp_style_guide.txt temp_release_notes.txt release_body.md' EXIT
+
+# =============================================================================
+# PREPROCESSING: Gather data
+# =============================================================================
+echo "=== PREPROCESSING: Gathering data ==="
+
+# Get release data
+RELEASE_DATA=$(curl -s "https://api.github.com/repos/radius-project/radius/releases/tags/$RELEASE_TAG")
+RELEASE_BODY=$(echo "$RELEASE_DATA" | jq -r '.body')
+PUBLISHED_AT=$(echo "$RELEASE_DATA" | jq -r '.published_at')
+
+# Load style guide
+if [ -f "radblog/guide/contribution-guide.md" ]; then
+  FORMATTING_RULES=$(awk '/## Writing Guidelines/,/## Formatting Standards/ { if (!/## Formatting Standards/) print } /## Formatting Standards/,/## Submission Process/ { if (!/## Submission Process/) print }' "radblog/guide/contribution-guide.md")
+  STYLE_GUIDE=$(printf "CRITICAL FORMATTING REQUIREMENTS - THESE RULES ARE MANDATORY:\n%s\n\nCOMPLETE STYLE GUIDE:\n%s" "$FORMATTING_RULES" "$(cat "radblog/guide/contribution-guide.md")")
+else
+  STYLE_GUIDE="WRITING GUIDELINES: Conversational, user-focused, technical depth, no marketing language, evidence-based content only from release notes."
+fi
+
+# Build AI prompt
+cp scripts/blog-prompt.md prompt_template.md
+sed -i.bak "s/{RELEASE_NAME}/Radius $RELEASE_TAG/g" prompt_template.md && rm -f prompt_template.md.bak
+sed -i.bak "s|{RELEASE_URL}|https://github.com/radius-project/radius/releases/tag/$RELEASE_TAG|g" prompt_template.md && rm -f prompt_template.md.bak
+
+echo "$STYLE_GUIDE" > temp_style_guide.txt
+echo "$RELEASE_BODY" > temp_release_notes.txt
+
+awk '/{RELEASE_NOTES}/ { while ((getline line < "temp_release_notes.txt") > 0) { print line } close("temp_release_notes.txt"); next } /{STYLE_GUIDE}/ { while ((getline line < "temp_style_guide.txt") > 0) { print line } close("temp_style_guide.txt"); next } /{BLOG_CONTEXT}/ { print "Previous Radius blog posts focus on technical features and developer workflows."; next } { print }' prompt_template.md > final_prompt.md
+
+# =============================================================================
+# AI GENERATION: Generate content
+# =============================================================================
+echo "=== AI GENERATION: Calling GitHub Models API ==="
+
+RESPONSE=$(curl -s -X POST "https://models.inference.ai.azure.com/chat/completions" \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer $GITHUB_TOKEN" \
+  -d "{\"model\": \"gpt-4o\", \"messages\": [{\"role\": \"system\", \"content\": \"You are a technical content writer for cloud-native application platforms. You MUST follow all formatting rules and style guidelines exactly as specified. Failure to follow formatting rules is not acceptable.\"}, {\"role\": \"user\", \"content\": \"$(cat final_prompt.md | sed 's/"/\\"/g' | tr '\n' ' ')\"}], \"max_tokens\": 3500, \"temperature\": 0.2}")
+
+# =============================================================================
+# POST-PROCESSING: Create blog post
+# =============================================================================
+echo "=== POST-PROCESSING: Creating blog post ==="
+
+if echo "$RESPONSE" | jq -e '.choices[0].message.content' > /dev/null 2>&1; then
+  echo "$RESPONSE" | jq -r '.choices[0].message.content' > ai_content.md
+
+  # Apply style guide fixes
+  sed -i.bak 's/\bapplications\b/Applications/g' ai_content.md && rm -f ai_content.md.bak
+  sed -i.bak 's/\benvironments\b/Environments/g' ai_content.md && rm -f ai_content.md.bak
+  sed -i.bak 's/\brecipes\b/Recipes/g' ai_content.md && rm -f ai_content.md.bak
+  sed -i.bak 's/\bresource types\b/Resource Types/g' ai_content.md && rm -f ai_content.md.bak
+  sed -i.bak 's/  */ /g' ai_content.md && rm -f ai_content.md.bak
+
+  # Create blog directory
+  YEAR=$(date -d "$PUBLISHED_AT" "+%Y" 2>/dev/null || date -j -f "%Y-%m-%dT%H:%M:%SZ" "$PUBLISHED_AT" "+%Y")
+  BLOG_DIR="radblog/content/posts/$YEAR/radius-$RELEASE_TAG-release"
+  mkdir -p "$BLOG_DIR"
+
+  # Create blog post with frontmatter
+  BLOG_DATE=$(date -d "$PUBLISHED_AT" "+%Y-%m-%dT%H:%M:%S%z" 2>/dev/null || date -j -f "%Y-%m-%dT%H:%M:%SZ" "$PUBLISHED_AT" "+%Y-%m-%dT%H:%M:%S%z")
+
+  cat > "$BLOG_DIR/index.md" << EOF
+---
+date: "$BLOG_DATE"
+title: "Announcing Radius $RELEASE_TAG"
+linkTitle: "Radius $RELEASE_TAG"
+author: "Radius Team"
+type: blog
+---
+
+EOF
+
+  cat ai_content.md >> "$BLOG_DIR/index.md"
+  rm ai_content.md
+
+  echo "Blog post created successfully at: $BLOG_DIR/index.md"
+  echo "RELEASE_TAG=$RELEASE_TAG"
+else
+  echo "AI generation failed, using fallback content"
+
+  # Create blog directory
+  YEAR=$(date +%Y)
+  BLOG_DIR="radblog/content/posts/$YEAR/radius-$RELEASE_TAG-release"
+  mkdir -p "$BLOG_DIR"
+
+  cat > "$BLOG_DIR/index.md" << EOF
+---
+date: "$(date -u +%Y-%m-%dT%H:%M:%S%z)"
+title: "Announcing Radius $RELEASE_TAG"
+linkTitle: "Radius $RELEASE_TAG"
+author: "Radius Team"
+type: blog
+---
+
+We're excited to announce the release of Radius $RELEASE_TAG!
+
+For detailed information about this release, see the [release notes](https://github.com/radius-project/radius/releases/tag/$RELEASE_TAG).
+
+## Learn More and Get Involved
+
+We would love for you to join us to help build Radius:
+
+- Try the [Radius Tutorial](https://docs.radapp.io/tutorials/new-app/)
+- Checkout the Radius roadmap and influence future features at [https://aka.ms/radius-roadmap](https://aka.ms/radius-roadmap)
+- Join our monthly community meeting to see demos and hear the latest updates (join the [Radius Google Group](https://groups.google.com/g/radapp_io) to get email announcements)
+- Join the discussion or ask for help on the [Radius Discord server](https://aka.ms/radius/discord)
+- Subscribe to the [Radius YouTube channel](https://www.youtube.com/@radapp_io) for more demos
+EOF
+
+  echo "Blog post created with fallback content at: $BLOG_DIR/index.md"
+fi
+