[flask, next] Add Celery Queue for subscribe send email workflow

[lukemun]

Changes

• Setups a celery queue backed by redis
• Updates the subscribe feature in nextjs to do the following depending on error_boundary=true/false
  • Send a enqueue request to flask
  • Showcase error boundary
• Adds enqueue endpoint
• Update run.sh to start celery with the flask server

Testing

• Start flask server and next server (./deploy.sh --env=local ...)
• Got to home page
• Subscribe at footer, an event check queue endpoint is called and task run
• set error_boundary=true, check existing functionality runs

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
empower	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 23, 2025 4:20pm

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 40 lines in your changes missing coverage. Please review.

Project coverage is 32.74%. Comparing base (76731e7) to head (f958ad3).

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
flask/src/queues/celery.py	0.00%	17 Missing ⚠️
flask/src/queues/tasks.py	0.00%	12 Missing ⚠️
flask/src/main.py	0.00%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #666      +/-   ##
==========================================
- Coverage   34.13%   32.74%   -1.39%     
==========================================
  Files          37       39       +2     
  Lines         920      959      +39     
  Branches      111      111              
==========================================
  Hits          314      314              
- Misses        589      628      +39     
  Partials       17       17              

Flag	Coverage Δ
api	6.00% <0.00%> (-0.60%)	⬇️
frontend	54.75% <ø> (ø)

Components	Coverage Δ
checkout_module	6.00% <0.00%> (-0.60%)	⬇️
product_component	56.41% <ø> (ø)

Files with missing lines	Coverage Δ
flask/src/main.py	0.00% <0.00%> (ø)
flask/src/queues/tasks.py	0.00% <0.00%> (ø)
flask/src/queues/celery.py	0.00% <0.00%> (ø)

[codecov]

Bundle Report

Bundle size has no change ✅