Blog
All troubleshooting articles, newest first.
🐳 Docker
A Docker container that runs fine on other machines fails immediately on an Apple Silicon Mac with a cryptic "exec format error." This means the image contains...
🐳 Docker
Docker Desktop fails to start on Windows, reporting it couldn't initialize its WSL2 backend, and no containers can run until this is resolved. This error means...
🐳 Docker
Running docker compose build fails during the npm install step with a network timeout, even though your host machine's internet connection is clearly working...
🐳 Docker
Your containerized application, running on an EC2 instance and expecting to fetch temporary AWS credentials or instance metadata, can't reach the special...
🔧 Cybersecurity / Networking
Your mobile app's OAuth login flow reaches the authorization server, the user approves, but the final token exchange fails with an "invalid_code_verifier"...
🔧 Cybersecurity / Networking
Legitimate requests to your API get rejected with a 403 when going through CloudFront, even though the same request works fine hitting the origin directly. If...
🔧 Cybersecurity / Networking
Your API works fine when tested with curl or Postman, but the browser blocks it with a missing CORS header error — and inspecting the network tab reveals the...
🔧 Cybersecurity / Networking
Verifying a JWT signed with RS256 fails, and the error points at something wrong with the public key itself rather than the token's actual signature being...
🔧 Cybersecurity / Networking
An unhandled error in your serverless function's logs shows the full database connection string, including the plaintext password, exposed right there in the...