Placeholder-plus-proxy trick keeps agent containers from ever touching real API keys

viksit · x · 2026-09-07

viksit shares how his self-hosted agent setup handles credentials: all container network traffic goes through a proxy, and each service key is stored as a placeholder like OPENAIAPIKEY="PLACEHOLDER" — the proxy inspects requests and swaps in real secrets. Credentials can live in AWS KMS; he uses GitHub secrets to manage env vars across prod/dev realms.

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