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goplt/docs/content/stories/phase0/0.2.4-create-configdefaultyaml-with-basic-structure.md

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# Task 0.2.4: Create Configuration Files
## Metadata
- **Task ID**: 0.2.4
- **Title**: Create Configuration Files
- **Phase**: 0 - Project Setup & Foundation
- **Section**: 0.2 Configuration System
- **Status**: Pending
- **Priority**: High
- **Estimated Time**: 15 minutes
- **Dependencies**: 0.1.2
## Description
Create the baseline configuration YAML files that define the default configuration structure for the platform.
## Requirements
- Create `config/default.yaml` with baseline values
- Create `config/development.yaml` with development overrides
- Create `config/production.yaml` with production overrides
- Define configuration schema for all core services
## Implementation Steps
1. Create `config/default.yaml`:
```yaml
environment: development
server:
port: 8080
host: "0.0.0.0"
database:
driver: "postgres"
dsn: ""
logging:
level: "info"
format: "json"
```
2. Create `config/development.yaml`:
- Override logging level to "debug"
- Add development-specific settings
3. Create `config/production.yaml`:
- Override logging level to "warn"
- Add production-specific settings
4. Document configuration options
## Acceptance Criteria
- [ ] `config/default.yaml` exists with complete structure
- [ ] `config/development.yaml` exists
- [ ] `config/production.yaml` exists
- [ ] All configuration files are valid YAML
- [ ] Configuration structure is documented
## Related ADRs
- [ADR-0004: Configuration Management](../../adr/0004-configuration-management.md)
## Implementation Notes
- Use consistent indentation (2 spaces)
- Add comments for unclear configuration options
- Use environment variables for sensitive values (DSN, secrets)
- Consider adding validation schema later
## Testing
```bash
# Validate YAML syntax
yamllint config/*.yaml
# or
python3 -c "import yaml; yaml.safe_load(open('config/default.yaml'))"
```