docs: add Docker Compose environments guide and fix compose files

- New deploy/ENVIRONMENTS.md: comprehensive walkthrough of all 4 compose
  files with service-by-service explanations, beginner-friendly Docker
  concepts, and expert-level networking/config details
- Fix docker-compose.dev.yml: agent LOG_LEVEL → CERTCTL_LOG_LEVEL (was
  silently ignored without the CERTCTL_ prefix)
- Add CERTCTL_CONFIG_ENCRYPTION_KEY to base and test compose (enables
  M34/M35 dynamic issuer/target config encryption)
- Add CERTCTL_DISCOVERY_DIRS to base compose agent (enables filesystem
  certificate discovery in default deployment)
- Cross-link ENVIRONMENTS.md from README doc table and quickstart.md

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
shankar0123
2026-04-05 21:57:17 -04:00
parent dedf7fa3a9
commit c6efa4ab39
6 changed files with 533 additions and 5 deletions
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@@ -73,6 +73,8 @@ The `deploy/` directory contains four compose files for different use cases:
Override files are layered onto the base with multiple `-f` flags. The test environment is self-contained and runs independently. To reset any environment's data, add `down -v` to remove volumes.
For a deep dive into every service, environment variable, and networking decision, see the [Docker Compose Environments Guide](../deploy/ENVIRONMENTS.md).
### Kubernetes with Helm
For production deployments on Kubernetes, use the Helm chart: