Make published R2 images visible in local dev - #72
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Add "remote": true to the IMAGES_BUCKET R2 binding in wrangler.jsonc so `wrangler dev` connects to the real "websites-images" bucket instead of an empty local simulator -- images published via publish-image.mjs now render locally without manually seeding local R2 state. Bump the wrangler devDependency ^4.81.1 -> ^4.120.0: the older version has a bug where a remote R2 binding throws "SyntaxError: Unexpected end of JSON input" instead of proxying to R2, which is what made this look broken in the first place. Document in scripts/README.md that `wrangler dev` (not `wrangler pages dev`) is the correct local preview command -- this repo deploys via plain `wrangler deploy` (Workers + static assets), not Pages, so `pages dev` silently drops the R2 binding entirely.
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| Status | Name | Latest Commit | Preview URL | Updated (UTC) |
|---|---|---|---|---|
| 🔵 In progress View logs |
cube-docs | 6647868 | Commit Preview URL Branch Preview URL |
Aug 07 2026, 04:49 PM |
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Summary
"remote": trueto theIMAGES_BUCKETR2 binding inwrangler.jsoncsowrangler devconnects to the realwebsites-imagesbucket instead of an empty local simulator — images published viapublish-image.mjsnow render locally without manually seeding local R2 state.wranglerdevDependency^4.81.1->^4.120.0(and updatepnpm-lock.yaml/pnpm-workspace.yamlaccordingly): the older version has a bug where a remote R2 binding throwsSyntaxError: Unexpected end of JSON inputinstead of actually proxying to R2, which is what made this look broken in the first place.scripts/README.md, right after "Publishing an image", thatwrangler dev(notwrangler pages dev) is the correct local preview command — this repo deploys via plainwrangler deploy(Workers + static assets), not Pages, sopages devsilently drops the R2 binding entirely.Context
This is a follow-up to the equivalent fix already merged in the sibling
magistrala-docsrepo: absmach/magistrala-docs#171. Same root cause here: after publishing an image to R2, there was no way to preview it locally —next devhas no concept of the image-proxy Worker, andwrangler pages dev(the wrong command for this project) either serves an empty local R2 simulator or drops the binding outright.Test plan
pnpm run build— succeeds, produces./outnpx wrangler dev— startup binding table showsenv.IMAGES_BUCKET (websites-images) R2 Bucket remote(mode = remote, not local)/) returns 200 (redirects 301 ->/docs/cube-ai/, which is existing basePath behavior, then 200)wrangler dev(/docs/cube-ai/img/ui/domains.png,/docs/cube-ai/img/ui/chat.png,/docs/cube-ai/img/vllm-architecture.png,/docs/cube-ai/img/ui/login.png) — all returned 200, noSyntaxErrorcrash./node_modules/.bin/wrangler --versionreports4.120.0