Add cache size limit for S3 uploads#23
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Skip uploading build cache to S3 when it exceeds the size limit. Configurable via APPPACK_MAX_CACHE_SIZE_GB environment variable (default: 7GB). Set to 0 to disable the limit entirely. Invalid or negative values fall back to the default with a warning.
ipmb
requested changes
Feb 12, 2026
…e-cache-directories
Addresses review feedback to use the logging system instead of print statements. Also removes a duplicate print that was left alongside the existing structured log call.
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Problem: Build caches can grow very large. Uploading caches over 7GB to S3 wastes time and storage.
Solution: Check cache directory size before uploading. Skip the upload if it exceeds the limit.
Changes:
Testing:
go test ./build/...All tests pass.