feat: replace Node services with Python apps and add balena-friendly …#43
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samuel-duffield1 wants to merge 2 commits into
Open
feat: replace Node services with Python apps and add balena-friendly …#43samuel-duffield1 wants to merge 2 commits into
samuel-duffield1 wants to merge 2 commits into
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…startup locks - replace the data service with a minimal Python CPU usage API - replace the frontend with a simple Streamlit CPU usage dashboard - switch balenalib images to standard Docker Hub Python bases with uv - add shared flock-based startup orchestration for balena multicontainer readiness - simplify HAProxy routing for the Streamlit frontend - update README deployment instructions to use balena push Change-type: patch Signed-off-by: Sam Duffield <sam.duffield@balena.io>
Change-type: patch Signed-off-by: Sam Duffield <sam.duffield@balena.io>
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Summary
This replaces the example's Node-based
dataandfrontendservices with minimal Python applications and adds balena-friendly container startup orchestration.What changed
dataservice with a simple Python API that reports CPU usagefrontendservice with a simple Streamlit dashboard that graphs CPU usagebalenalibbases to standard Docker Hub Python imagesuvfor Python dependency installation and runtime startupflock-based startup scripts so services can wait on dependencies withoutdepends_onbalena pushinstead of the older git remote workflowWhy
Healthchecks are not supported on balenaOS
Implementation notes
app.py,requirements.txt, and startup scriptTesting
balena pushduring verification