Rollback Guidance

Recovery procedures for deployment failures. Referenced from Section 4 (Deploy).

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Image Build Failed

# No cloud resources were persisted — nothing to roll back.
# Fix the issue and retry:

# Common fixes:
# - Dockerfile syntax error       → edit Dockerfile
# - Missing file in build context → check .dockerignore
# - Dependency install failure    → fix package.json / requirements.txt / go.mod

# Retry: