The API tests passed. The database didn't.
Compare recorded SQL between releases with proxymock. Find query-count drift, new statements, captured DDL, and timing changes that HTTP tests can miss.
Posts about local development environments
Browse 29 posts in this category
What are Ephemeral Environments?
Create ephemeral environments when deployed testing adds value. Version test data, define ownership and expiry, and verify cleanup of external resources.
Ephemeral Environment Testing: Do you need it?
Choose tests for ephemeral environments, keep real integration gates, isolate branch data, and retain evidence before teardown.
What are Preview Environments?
Use preview environments for branch review with explicit data, access, and dependency boundaries. Automate expiry and verify resource cleanup.
Using proxymock with AWS Services
Record AWS API calls with proxymock, inspect the capture, and run local mocks while keeping IAM, signing, and cloud-state integration tests.
Using proxymock with GCP Services
Record Google Cloud API calls with proxymock and test locally. Understand the limits around IAM, OAuth, quotas, and stateful behavior.
Trace without traces
The trace was sampled out. I found the bug anyway — by filtering recorded traffic on the customer's email instead of a trace ID. Here's how to follow one request across four services with no trace IDs and no OpenTelemetry.
Run Local LLMs on Mac to Cut Claude Costs
A practical hybrid workflow that uses costly LLM APIs for planning and local models (via Ollama + OpenCode) for execution, guarded by deterministic evals.
Using GRPC with Python Best Practices Guide
Microservices are now the architecture of choice for many developers when crafting cloud-native applications.
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