Git, Docker & testing
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100 troubleshooting guides · Page 5 / 5
How do I test secret rotation without an avoidable outage?
Changing a secret in one component while others still use the old value can break requests. A safe rotation follows the provider’s overlap and revocation capabilities.
Why should a file-upload test check actual content rather than only its extension?
A filename and client-supplied MIME type are claims from the uploader. They do not establish the bytes’ real format or whether the server can process them safely.
How is a recovery drill different from checking that backups exist?
A backup list measures artifact presence. Recovery requires the right credentials, compatible infrastructure, data dependencies and an executable sequence under time pressure.
How do I turn a fixed security bug into a safe regression test?
A useful security regression test proves the protected boundary rejects the previously allowed behavior without retaining dangerous real payloads or credentials.
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