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Offload R2 Asset

.agents/skills/offload-r2/SKILL.md

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Offload R2 Asset

Host media on https://remotion.media/, update every in-scope source reference to the public object, and remove the repository-local copy after verification.

Workflow

  1. Find the main worktree with git worktree list --porcelain. Prefer the worktree on refs/heads/main, normally /Users/jonathanburger/remotion.

  2. Choose a stable, descriptive object key. Use a feature-specific directory prefix when it prevents collisions, for example studio-close-ups/demo.mp4. When replacing an asset, prefer a new versioned key so browser and Studio caches cannot serve the previous bytes.

  3. Load credentials from the main worktree without printing them:

    bash
    --env-file=/Users/jonathanburger/remotion/packages/remotion-media/.env

    The required variables are AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY.

  4. Upload to the parser-media bucket with Bun's S3-compatible client:

    bash
    bun --env-file=/Users/jonathanburger/remotion/packages/remotion-media/.env -e "import {S3Client} from 'bun'; const filePath='<local-file>'; const key='<object-key>'; const client=new S3Client({accessKeyId:Bun.env.AWS_ACCESS_KEY_ID,secretAccessKey:Bun.env.AWS_SECRET_ACCESS_KEY,endpoint:'https://2fe488b3b0f4deee223aef7464784c46.r2.cloudflarestorage.com',bucket:'parser-media'}); const bytes=new Uint8Array(await Bun.file(filePath).arrayBuffer()); await client.write(key,bytes); const remote=await client.file(key).arrayBuffer(); if (remote.byteLength!==bytes.byteLength) throw new Error('Size mismatch'); console.log('uploaded',key,remote.byteLength);"

  5. Verify the public object and compare its SHA-256 hash with the local file before removing anything:

    bash
    curl -I --fail https://remotion.media/<object-key>
test "$(shasum -a 256 <local-file> | cut -d' ' -f1)" = "$(curl --fail --silent https://remotion.media/<object-key> | shasum -a 256 | cut -d' ' -f1)"

  6. Replace every in-scope source usage with the public URL. Do not wrap remote URLs in staticFile() because it rejects http:// and https:// URLs.

  7. After the public hash matches and source references are remote, remove the local copy. Use git rm -- <local-file> for a tracked file or remove the exact untracked/ignored file directly. Remove obsolete asset-specific .gitignore entries and empty asset directories. Do not use recursive deletion or broad globs.

  8. Verify the local copy is gone and search the affected package for remaining local references:

    bash
    test ! -e <local-file>
rg -n '<local-filename>|staticFile\(' <affected-package>

  9. Run focused lint or style checks for touched packages. Commit or push only when requested.