Small developer teams have no secure workflow to share and rotate .env secrets, defaulting to Slack DMs or committed example files where values drift across environments

Multiple Ask HN threads in 2025-2026 document the same pattern: small teams share secrets via Slack, copy-paste into example files, or commit real values in .env.example by accident. GitGuardian reported 29 million secrets leaked on GitHub in 2025, a 25% increase year-over-year. The pain is specifically for teams of 2-10 developers: full secret managers like HashiCorp Vault or Doppler ($39+/month) are overbuilt and expensive, while .env files shared in chat have no rotation, no audit trail, and no environment differentiation. Ask HN threads from May 2026 and August 2024 confirm teams are still defaulting to insecure ad-hoc sharing because tooling options are either too heavy or too expensive.