The Android app never connects to MongoDB directly and never contains a MongoDB URI. This service accepts authenticated all-time totals and upserts them into the consumption collection.

Run

Copy .env.example to .env and fill in the MongoDB Atlas URI and a random API token.
Export the variables (Node does not load .env automatically), then run npm install and npm start.

Build the Android app with the public HTTPS service address and the same token:

CONSUMPTION_API_URL=https://your-api.example.com \
CONSUMPTION_API_TOKEN=your-random-token \
./gradlew assembleUnstableRelease

If either Android build variable is missing, cloud sync is disabled and local consumption tracking continues unchanged. MongoDB receives one continuously updated document per installation, containing all-time km, kwh, hours, and socDrop totals plus the manually entered sohPercent.