Doppler

[danctila]

Description

Migrated environment variable management from .env files to Doppler for centralized secrets management. This eliminates the need to share .env files across the team and provides a web interface for managing secrets across development, testing, and production environments.

See more about Doppler here: https://docs.doppler.com/docs/install-cli

Type of Change

• Configuration/infrastructure change
• Documentation update
• Refactoring (code improvement without changing functionality)

Related Issue(s)

Closes #89

What Changed?

• Added Doppler CLI integration to backend Makefile (all commands now use doppler run --)
• Added Doppler CLI integration to web and mobile package.json scripts
• Created doppler.yaml config files for backend, web, and mobile projects (easier juts for first time setup)
• Updated CI workflows (WebCI, MobileCI) to install Doppler CLI and use service tokens
• Removed obsolete db-setup-env Makefile target
• Updated all READMEs with Doppler setup instructions
• Added deprecation notices to .env.sample files

Testing & Validation

How this was tested

1. Verified backend connects to local Supabase using Doppler secrets
2. Tested web app builds and runs with Doppler (+ connects to backend at /test-api)
3. Confirmed all make commands work with Doppler integration
4. Validated CI workflows install Doppler CLI correctly

Unfinished Work & Known Issues

• None, this PR is complete and production-ready
• The following items are intentionally deferred:

Pre-Merge Checklist

Code Quality

• Code follows the project's style guidelines and conventions
• Self-review completed
• No debugging code, console logs, or commented-out code left behind
• No merge conflicts with the base branch
• Meaningful commit messages that explain the "why"

Testing & CI

• All CI checks are passing
• All new and existing tests pass locally
• Test coverage hasn't decreased
• Linting passes without errors

Documentation

• Code is self-documenting or includes helpful comments for complex logic
• API documentation updated (N/A)
• Type definitions are accurate and up-to-date (N/A)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 10.23%. Comparing base (15754bf) to head (5217d44).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #204       +/-   ##
===========================================
- Coverage   84.00%   10.23%   -73.77%     
===========================================
  Files           7       92       +85     
  Lines          50     3195     +3145     
  Branches       24       24               
===========================================
+ Hits           42      327      +285     
- Misses          8     2863     +2855     
- Partials        0        5        +5     

Flag	Coverage Δ
backend	23.04% <ø> (?)
mobile	84.00% <ø> (ø)
web	0.71% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.
see 85 files with indirect coverage changes

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[danctila]

ts passes locally with doppler command so idk what happens in CI but this is fine now