PUBLIC_DEPLOYMENT_GUIDE.md

Public Deployment Guide - Character Forge

✅ Your Space is Now SECURE for Public Use!

Space URL: https://huggingface.co/spaces/ghmk/character_forge

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🔒 Security Configuration (Option 1 - Public, User Keys)

✅ What You Did Right:

• Deployed to HuggingFace Spaces
• Chose public visibility
• Did NOT add GEMINI_API_KEY to Repository Secrets

✅ What This Means:

• Your cost: $0 (users provide their own API keys)
• Security: Each user's API key stays in THEIR session only
• Scalability: Unlimited users, zero risk to you
• Privacy: Users control their own data

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🚫 What NOT to Do

❌ DON'T Add This to HuggingFace Secrets:

Settings → Repository Secrets:

DO NOT ADD:
Name: GEMINI_API_KEY
Value: [your key]

❌ This would make ALL users use YOUR key!
❌ You would pay for everyone's usage!
❌ Your costs could be unlimited!

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👥 How It Works for Users

User Experience:

1. User visits your Space → https://huggingface.co/spaces/ghmk/character_forge

2. They see a warning banner → "⚠️ API Key Required"

3. They click the link to get a free key → https://aistudio.google.com/app/apikey

4. They enter their key in the sidebar → Their key is stored in THEIR session only

5. They start generating → Using their own API quota → You pay nothing!

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🔐 Privacy Guarantees

Session Isolation:

User A's Browser
  ↓
  Session A (API Key: abc123)
  ✅ Isolated

User B's Browser
  ↓
  Session B (API Key: xyz789)
  ✅ Isolated

❌ Keys NEVER cross sessions
❌ Users can't see each other's keys
❌ No sharing, no logging, no storage

How We Know It's Secure:

Code Evidence:

# File: character_forge_image/app.py, Line 40-41
if 'gemini_api_key' not in st.session_state:
    st.session_state.gemini_api_key = Settings.get_gemini_api_key()

Streamlit Guarantee:

• st.session_state is per-connection
• Each browser tab = new session
• Sessions isolated by Streamlit framework
• Documented: https://docs.streamlit.io/library/api-reference/session-state

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📊 Cost Analysis

Public Space, User Keys (Your Current Setup):

Metric	Your Cost	User Cost
Hosting	$0 (HF Free CPU)	-
API Usage	$0	Their own key
Bandwidth	$0 (HF included)	-
TOTAL	$0/month	~$0.03/image

Alternative (NOT Recommended):

Metric	Your Cost	User Cost
Hosting	$0 (HF Free CPU)	-
API Usage	UNLIMITED 😱	$0
Abuse Risk	HIGH 🚨	-
TOTAL	$???,???	$0

Your choice = SMART! 🎉

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🎯 User Instructions to Share

Copy this and share with your users:

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How to Use Character Forge (For Users):

1. Visit the Space https://huggingface.co/spaces/ghmk/character_forge

2. Get a FREE Gemini API Key

   • Go to https://aistudio.google.com/app/apikey
   • Click "Create API Key"
   • Copy the key (starts with AIza...)

3. Enter Your Key

   • Look at the sidebar in Character Forge
   • Find "Gemini API Key" field
   • Paste your key
   • It's saved in YOUR session only (not shared!)

4. Start Generating!

   • Character Forge: Turn 1 image → complete character sheet
   • Composition Assistant: Combine multiple images
   • Standard Interface: Text/image to image

Cost: FREE tier (15 req/min, 1500/day) or ~$0.03/image

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🛠️ Maintenance

What to Monitor:

HuggingFace Space Status:

• Check: https://huggingface.co/spaces/ghmk/character_forge
• Should show: "Running" with green indicator
• Build logs: Check for errors

What You DON'T Need to Monitor:

• ✅ API costs (users pay their own)
• ✅ Usage limits (each user has their own)
• ✅ Abuse (users can only use their own keys)

Updates:

When you want to update the app:

cd D:/hu/character_forge
# Make your changes
git add .
git commit -m "Your update message"
git push origin main

HuggingFace will automatically rebuild and redeploy!

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🐛 Troubleshooting

"App is loading forever"

• Check build logs on HuggingFace
• Likely: Dockerfile or dependency issue
• Solution: Check logs, fix error, push update

"Invalid API Key" error

• User's problem, not yours!
• Their key is wrong/expired
• They need to get a new key from Google

"App crashed"

• Check HuggingFace Space logs
• Restart the Space if needed
• Most crashes = user input issues (handled gracefully)

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✅ Verification Checklist

Confirm your setup is secure:

• Space is public ✅
• NO GEMINI_API_KEY in Repository Secrets ✅
• Users see warning banner when no key entered ✅
• Users can enter their own key in sidebar ✅
• Generated images work when user provides key ✅
• App shows helpful link to get API key ✅
• SECURITY.md file committed ✅
• README.md updated with security info ✅

All checked? You're ready! 🚀

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📞 Support

For You (Space Owner):

• Security issues: gk@ghmk.de
• HuggingFace issues: https://huggingface.co/support

For Users:

• Usage questions: Comment on your HuggingFace Space
• API key issues: https://aistudio.google.com/
• Bug reports: Your Space's discussion tab

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🎉 Success Metrics

Your deployment is successful when:

✅ Space is publicly accessible ✅ Users can get their own API keys ✅ Users can generate images ✅ Your costs remain $0 ✅ No security incidents ✅ Happy users generating character sheets!

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Current Status: ✅ DEPLOYED & SECURE Cost: $0/month Risk: None (users provide own keys) Next: Share your Space URL and enjoy!

https://huggingface.co/spaces/ghmk/character_forge