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#environment-variables

2 stories

Banner: a test runner pointing at the development database instead of the test database inside a container

Databases Bug Report

RefreshDatabase wiped our dev database: container env beat phpunit.xml

Daniel Tran · Jul 24, 2025 · 11 min read

Running the test suite inside our app container dropped every table in the development database. Docker Compose injected DB_DATABASE as a real environment variable, and phpunit.xml's env entries do not override existing variables. Here is the full precedence chain and three layers of defence.

Banner: Vite import.meta.env variable undefined in a production Docker build

Web Development Bug Report

Vite import.meta.env variable undefined in the production Docker build

Daniel Tran · May 20, 2025 · 9 min read

Our React app called https://undefined/v1/... in production while dev worked fine. Vite replaces import.meta.env at build time, and our Docker image set the variable only at runtime. We fixed the build and then moved to runtime config.