feat(config): add credits configuration and update docker-compose ports

[pratham-ez]

Overview

Fixes #(issue)

Notes for reviewer

Summary by CodeRabbit

• New Features

  • Added credits configuration option to aggregation settings with enabled and enable_credit_then_invoice flags.

• Tests

  • Added test coverage for credits configuration unmarshalling.

• Chores

  • Exposed ClickHouse and PostgreSQL ports (127.0.0.1) in Docker Compose for local development access.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 024bc1be-beab-4026-ae21-cae6db365481

📥 Commits

Reviewing files that changed from the base of the PR and between 968f4d1 and 1c1f373.

📒 Files selected for processing (4)

• app/config/config_test.go
• app/config/credits.go
• docker-compose.base.yaml
• quickstart/config.yaml

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📝 Walkthrough

Walkthrough

This PR enables the credits feature by adding configuration unmarshaling support through struct tags, verifying it with a new test, and setting up local development infrastructure with database port mappings and a credits example in the quickstart config.

Changes

Credits Configuration & Testing

Layer / File(s)	Summary
Credits configuration struct tags and unmarshal test app/config/credits.go, app/config/config_test.go	CreditsConfiguration struct fields now include mapstructure tags alongside existing yaml tags, enabling proper deserialization. A new TestCreditsConfigurationUnmarshal test verifies the credits config unmarshals correctly from YAML using the existing DecodeHook.
Local development infrastructure and quickstart example docker-compose.base.yaml, quickstart/config.yaml	ClickHouse HTTP and native ports and PostgreSQL port are exposed to localhost in Docker Compose for local development access. Quickstart config includes a new credits block under aggregation with both enabled and enable_credit_then_invoice set to true.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• openmeterio/openmeter#4136: Both PRs modify app/config/credits.go to introduce/propagate the EnableCreditThenInvoice field and align tests and configuration around it.

Suggested labels

release-note/feature, area/billing

Suggested reviewers

• tothandras

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately captures the two main changes in the PR: adding credits configuration and updating docker-compose ports.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[turip]

Credit then invoice is not supported yet, so let's not merge this until we are done with the implementation.

[turip]

These are coming from docker-compose.yaml, use that for local development please.