Document deployment procedure

[bdb-dd]

Description

Use deployment templates to simplify setup of new Container app instances

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Tasks

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Acceptance Criterias

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Tasks

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1. Migrate LLM related configuration from environment variables to db config
2. Separate build and deploy stages in Github workflow for faster production deployments to multiple container apps
3. Document initial setup of Slack app
4. Create system architecture diagram
5. Document GPU accelerated Python API setup
6. Update deployment instructions to use az cli instead of Azure Portal