[GitHub Discussions] App Model & Core API gaps

Summary

Based on analysis of 820 GitHub discussions from dotnet/aspire.

Question counts:

Topic	Questions
Resource/Endpoint/Binding	174
Networking (ports, localhost)	40+
WaitFor/Lifecycle	25+

---

Docs That Exist - Verified If They Answer Questions

✅ Questions Answered by Docs

Question	Doc	Section That Answers
https://github.com/dotnet/aspire/discussions/12484: Overriding Kestrel endpoints from appsettings.json?	inner-loop-networking-overview	"Kestrel configured endpoints" - ExcludeKestrelEndpoints = false
How does WaitFor work?	what-is-the-apphost	"Defining your architecture" - WaitFor(postgres) delays startup
How do container networks work?	inner-loop-networking-overview	"How container networks are managed" - bridge network, DNS
How do proxies and ports work?	inner-loop-networking-overview	"Ports and proxies" - detailed with diagrams

❌ Questions NOT Answered by Any Doc

Question	Searched Docs	What's Missing
https://github.com/dotnet/aspire/discussions/14003: Endpoint different from localhost (LAN access)	inner-loop-networking-overview	No 0.0.0.0 binding for external access
https://github.com/dotnet/aspire/discussions/13840: Optimizing app host start up time	what-is-the-apphost	Explains WaitFor but no performance optimization
https://github.com/dotnet/aspire/discussions/13670: Launching Desktop Applications	None	No console/desktop app integration docs
How to bind to 0.0.0.0 for LAN?	inner-loop-networking-overview	Not covered - only localhost scenarios
CORS configuration	None	No CORS documentation exists

---

Critical Gaps - No Documentation Exists

❌ P1: Console/Desktop App Integration

Questions: https://github.com/dotnet/aspire/discussions/13670, plus many Discord questions
Status: No docs exist
Missing:

• Console app integration guide
• Background worker patterns
• Non-HTTP service patterns
• WPF/WinForms (MAUI exists, but not WPF)

❌ P1: External Network Access (0.0.0.0)

Questions: https://github.com/dotnet/aspire/discussions/14003, plus Discord questions about LAN access
Status: Not in inner-loop-networking-overview
Missing:

• Binding to 0.0.0.0
• LAN development scenarios
• External access patterns

❌ P2: CORS Configuration

Questions: ~3 GitHub, 10+ Discord
Status: No docs exist
Missing:

• When CORS is needed with Aspire
• CORS dev vs prod configuration
• Common CORS troubleshooting

❌ P2: Startup Performance

Questions: https://github.com/dotnet/aspire/discussions/13840, https://github.com/dotnet/aspire/discussions/12518
Status: WaitFor documented but not optimization
Missing:

• Startup optimization patterns
• Reducing container pull time
• Parallel startup options

---

Data Source

• GitHub Discussions: 820 total, 174 app-model related
• Verification method: aspire-get_doc to read actual doc content
• Date: February 2026