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46 lines
2.2 KiB
Markdown
46 lines
2.2 KiB
Markdown
+++
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title = "[TRIAGE] Cloudflare Workers WASM size limit — free tier 1MB limit may require paid plan for Rust binary"
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priority = 9
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status = "done"
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ticket_type = "task"
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dependencies = []
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+++
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<context>
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This is a triage decision ticket. It must be resolved before dependent implementation tickets can proceed.
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</context>
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<question>
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Cloudflare Workers WASM size limit: the free tier has a 1MB Worker script size limit. A Rust binary compiled for workers-rs may exceed this. Does this project require a paid Workers plan?
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</question>
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<options>
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1. **Paid Workers plan** — removes the 1MB limit ($5/month). Simplest solution.
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2. **Optimise binary size** — use `opt-level = "z"`, `lto = true`, `strip = true`, `wasm-opt`, and minimise dependencies. May bring the binary under 1MB.
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3. **Split the Worker** — serve static assets from Pages and keep the Worker API-only (fewer dependencies).
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</options>
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<decision>
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**The 1 MB limit in this ticket is outdated.** The current Cloudflare Workers limits (as of 2026) are:
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- Workers Free: **3 MB after gzip compression**, 64 MB before compression
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- Workers Paid: **10 MB after gzip**, 64 MB before compression
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**Chosen approach: Free tier + binary size optimisation (no paid plan required).**
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Rationale:
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- The API Worker only handles API routes — no Yew/UI code is bundled into it (UI is on Pages).
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- The database layer uses `workers-rs` native D1 bindings (not SQLx) per ticket e8a330 — this eliminates a heavy dependency.
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- The `Cargo.toml` release profile already has `opt-level = "z"`, `lto = true`, `strip = true`, `codegen-units = 1`.
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- `wrangler` applies `wasm-opt` automatically during deploy, further reducing WASM size.
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- A simple CRUD API with these optimisations gzips well under 3 MB.
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- Verification command: `wrangler deploy --outdir bundled/ --dry-run` (shows `gzip: X KiB`).
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**Implementation ticket created: see ticket for binary size verification after Cargo.toml dependencies are added (1f5bb5).**
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If the binary somehow exceeds 3 MB, fallback options are: further dependency pruning, or Workers Paid at $5/month.
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</decision>
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<commit>
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`chore(quotesdb): resolve triage — cloudflare-workers-wasm-size-limit-free-tier-1mb-limit-may-r`
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</commit>
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