fix(devops): Change dev PostgreSQL port to 5435 to avoid local conflict
Update development PostgreSQL port from 5433 to 5435 to avoid conflicts
with existing local PostgreSQL installations or other services.
Changes:
- .env.dev: Update POSTGRES_PORT to 5435
- docker-compose.dev.yml: Update health checks to use wget instead of curl
- cmd/server/main.go: Update default DATABASE_URL to use port 5435
Additional improvements:
- Replace curl with wget in Docker healthchecks (more reliable in Alpine)
- Update comments to reflect new port configuration
Ports summary:
- Dev PostgreSQL: 5435 (was 5433)
- Test PostgreSQL: 5434 (unchanged)
- PDS: 3001
- AppView: 8081
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Co-Authored-By: Claude <noreply@anthropic.com>