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Oleksandr Bezdieniezhnykh
62 lines
2.0 KiB
Markdown
62 lines
2.0 KiB
Markdown
# Environment Strategy Template
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Save as `_docs/04_deploy/environment_strategy.md`.
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---
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```markdown
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# [System Name] — Environment Strategy
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## Environments
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| Environment | Purpose | Infrastructure | Data Source |
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|-------------|---------|---------------|-------------|
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| Development | Local developer workflow | docker-compose | Seed data, mocked externals |
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| Staging | Pre-production validation | [mirrors production] | Anonymized production-like data |
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| Production | Live system | [full infrastructure] | Real data |
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## Environment Variables
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### Required Variables
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| Variable | Purpose | Dev Default | Staging/Prod Source |
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|----------|---------|-------------|-------------------|
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| `DATABASE_URL` | Postgres connection | `postgres://dev:dev@db:5432/app` | Secret manager |
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| [add all required variables] | | | |
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### `.env.example`
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```env
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# Copy to .env and fill in values
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DATABASE_URL=postgres://user:pass@host:5432/dbname
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# [all required variables with placeholder values]
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```
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### Variable Validation
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All services validate required environment variables at startup and fail fast with a clear error message if any are missing.
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## Secrets Management
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| Environment | Method | Tool |
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|-------------|--------|------|
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| Development | `.env` file (git-ignored) | dotenv |
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| Staging | Secret manager | [AWS Secrets Manager / Azure Key Vault / Vault] |
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| Production | Secret manager | [AWS Secrets Manager / Azure Key Vault / Vault] |
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Rotation policy: [frequency and procedure]
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## Database Management
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| Environment | Type | Migrations | Data |
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|-------------|------|-----------|------|
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| Development | Docker Postgres, named volume | Applied on container start | Seed data via init script |
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| Staging | Managed Postgres | Applied via CI/CD pipeline | Anonymized production snapshot |
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| Production | Managed Postgres | Applied via CI/CD with approval | Live data |
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Migration rules:
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- All migrations must be backward-compatible (support old and new code simultaneously)
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- Reversible migrations required (DOWN/rollback script)
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- Production migrations require review before apply
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```
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