How do senior developers handle persistent CORS policy errors when integrating a Next.js frontend with a Go backend running in Docker containers on local machine today?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How do senior developers handle persistent CORS policy errors when integrating a Next.js frontend with a Go backend running in Docker containers on local machine today?
3 real searches · 1 real-search pass
Next.js rewrites proxy API requests documentation CORS developmentGoogle ↗
OBSERVEDInstruction
MDN CORS preflight requests Access-Control-Allow-Credentials wildcard originGoogle ↗
OBSERVEDOther / navigational
Go net/http middleware CORS OPTIONS documentation Docker Compose networking service nameGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
Next.js rewrites proxy API requests documentation CORS development Google ↗
MDN CORS preflight requests Access-Control-Allow-Credentials wildcard origin Google ↗
Go net/http middleware CORS OPTIONS documentation Docker Compose networking service name Google ↗
- http\://localhost:3000 · localhost
- http\://localhost:8080 · localhost
- Cross-Origin Resource Sharing (CORS) - HTTP · developer.mozilla.org
- Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*' - HTTP · developer.mozilla.org
- Preflight request - Glossary · developer.mozilla.org
- next.config.js: rewrites · nextjs.org
- Getting Started: Proxy · nextjs.org
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Next.js rewrites proxy API requests documentation CORS development OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 | |
MDN CORS preflight requests Access-Control-Allow-Credentials wildcard origin OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
Go net/http middleware CORS OPTIONS documentation Docker Compose networking service name OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 |